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Diggles Ba==N28X@"1Geneva1Geneva1Geneva1Geneva1Geneva1Tms Rmn1Tms Rmn"$"#,##0_);\("$"#,##0\)!"$"#,##0_);[Red]\("$"#,##0\)""$"#,##0.00_);\("$"#,##0.00\)'""$"#,##0.00_);[Red]\("$"#,##0.00\)7*2_("$"* #,##0_);_("$"* \(#,##0\);_("$"* "-"_);_(@_).))_(* #,##0_);_(* \(#,##0\);_(* "-"_);_(@_)?,:_("$"* #,##0.00_);_("$"* \(#,##0.00\);_("$"* "-"??_);_(@_)6+1_(* #,##0.00_);_(* \(#,##0.00\);_(* "-"??_);_(@_)0.0                ( &    * " + # # # + # + * " + + + # # # + # ) ) ) )  ) ) ) `t1933-1959.kilcat.klein  ;  ; vjEaton and Fraser, 1958b; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]10 km SW of Kiholo bay35 km w of Upolu pt15 km w of Keahole pt25 km SW of Kealakekua bay5 km w of Pahala80 km w of Ka lae10 km s of Mokuaweoweo10 km s of ml seismograph10 km e of Kamuela2 km SW of Ohaikea 20 km WSW of20 km w of Kailua5 km se of Ahuaumi Publ depth Pref depth Publ dist Calc Dist Slant dist M M-S EW M M-S NS M hor N-L M other source st slight?felt-central Kona; Kealakekua-very slight; Capt. Cook-3, "rumble the jar", a pause, then jiggly jolt from Kau-Kohala direction, other reports from area similar, short, windows rattled; preferred magnitude calculated as average of Honolulu and nomogramcentral Kona; assume 5 km depth; farther from Kona seismometer?; Eaton and Fraser, 1957a; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards] milolii osoffshore 35 km SW of 50 km from Haleakala seismograph5 km se of Hakalau5 km SW of Pahala10 km SW of ml seismograph5 km se of Hookena10 km w of Mahukonafelt-Kealakekua, Capt. cook; Capt. Cook (8/20)-widely felt, wakened, m-st jerking motion rapidly intensifying to st, v rapid vibration and jerks for few sec, then diminish w slow vibration and window rattle for >10 sec; Onouli-wakened, long, fairly strongLnear Hookena; Eaton and Krivoy, 1958a; additional felt reports in HVO, unpubKealakekua-shake not long but quite strong, seemed to come from north, windows rattled on s side of house; Puu waawaa ranch has felt 6 small shakes since Sunday (8/17), 3 yesterday (8/20) amgEaton and Krivoy, 1963a [lat and long given (1924', 15529') are inconsistent with described location] f-felt (uwe)J5 km SW of Ohaikea; felt-Kealakekua, hnp; Kealakekua-2nd shock, very lightZassume 5 km depth; assume 10 km from Kona; Eaton and Fraser, 1957c; class from table, p. 3 35 km n of Haleakala seismometerIV (S&C)_30 km w of Hawi; felt-Kealakekua; preferred magnitude calculated as average of Honolulu and HVO15 km NE of Hana10 km n of; preferred magnitude calculated as average of Honolulu and HVO; Hakalau-felt; hnp-felt; Hilo-2, felt by few, rapid, weak, dur 2 sec, windows rattled20 km n of Kamuela10 km SW of Hilo15 km NW of Mokuaweoweoaverage of two readings; Macdonald and Eaton, 1956a ; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]Capt. Cook--short, sharp quakenear ml seismometer58 km SW of Kealakekua; Capt. Cook-felt as brief shake15 km se of Kamuela5 km n of Kapapala>4.07 IV; III (S&C)(7 km NW of Hilo; felt-Hilo to Kealakekuatime given as 9:17 am HST in Eaton and Krivoy, 1958b; observed time on Hon film record is 9:17 GMT on 12/28; Milne-Shaw magnitude agrees with hvo if Hon time accepted; Eaton and Krivoy, 1958b; HVO, unpub kCapt. Cook-2, gentle, short window rattle; Onouli-slight vibration; both reports from persons already awakenot separately listed in Eaton and Fraser, 1957c; date and time from felt report; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]felt-Capt. cook45 km e of Hana, Maui35 km w of Milolii central Kona*assume 5 km depth; Eaton and Fraser, 1958a25 km w of Milolii15 km se of Hananear; felt-Hakalau40 km e of Hana-10 km NW of Waimea; felt-Kamuela; Waimea-feltjEaton and Fraser, 1958a; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]V (Cox)NE of Ulupau head, woke many Oahu residents in Kailua and Kaneohe; barely felt on leeward side of Oahu; 8 km NE of Ulupau head; felt-Oahu; preferred mag calculated as average of Hon mag and HVO"Cox, 1986; Eaton and Fraser, 1958a7 km w of Pahala10 km SW of ml seismometer/5 km w of Keanakolu; felt-honokaa; honokaa-feltNfelt-Capt. cook; preferred magnitude calculated as average of Honolulu and HVO(5 km s of Kealakekua on Kealakekua faultfelt-Kona; Kealakekua-very slight; Capt. Cook-3, steady vibration, dur 7 sec, rumble, similar to earlier one but shorter and weaker, persons outside heard iron roofing clanking/jiggling; Keapu/Holualoa, short steady shock, not strongfelt-Kukuihaele, Pohakuloa; Pohakuloa forestry camp-moderate, windows rattled; Kukuihaele-4, rumbling heard; Pohakuloa-slow, began gradually, dur 3-5 sec, floor moved; preferred magnitude calculated as average of Honolulu, HVO and nomogramKohala summit; 9 km depth yields mag agreement between Honolulu and nomogram; HVO mag low?; Eaton and Fraser, 1957c; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards] kohala deep?$onouli-felt sitting; kukuihaele-felt7aftershock; not in Eaton and Frasier, 1957c; HVO, unpubKukuihaele-2, very lightEaton and Frasier/1957c5 km NW of KamuelajEaton and Krivoy, 1958a; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards] 20 km n ofCapt. Cook-3, like explosion, strong jolt, mauka heard rumble from Kau and strong shake; Konawaena-boom followed by jolt, also felt in Kona theater areanot in Eaton and Fraser, 1957a; date and time from felt report; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards] VL 527, p. 6;kamuela-4, slight, building shook slightly, windows rattled10 km n of Keaau; felt-Hilo; preferred magnitude calculated as average of nomogram and HVO; Hilo-dur 2-3 sec, sharp shaking, chandelier swayedmolokai?5 km w of OhaikeaEaton and Fraser, 1957d near Keahole pt; felt-Capt. cook*assume 5 km depth; Eaton and Fraser, 1957d7Kealakekua fault 5 mi se of Kealakekua; felt-Capt. cook vf (kamuela)<3.325 km NW of KamuelaTime HSTLat degLat minLon degLon min M pref source I maxfelt-PohakuloaNfelt-Kukuihaele; preferred magnitude calculated as average of Honolulu and HVOfelt-hnp, Capt. cook felt-Mauifelt-hnp to Capt. cookfelt-Capt. cook, Kealakekua5 km n of; felt-most of Hawaii island; extensive felt reports in HVO, unpub; preferred magnitude calculated as average of Honolulu and HVOassume 5 km depth; assume 5 km from Kona; Eaton and Fraser, 1957a; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]5 km SW of ml seismometer; .lat/long slightly off; Eaton and Fraser, 1957a 5 km n of7 km south of ml seismometerEaton and Fraser, 1957aLKamuela; felt-5 km NW of; time 22:48; Kukuihaele-4, loud rumbling then shake25 km n of; felt-Capt. cook; Capt. Cook-windows rattle and jiggle, not felt outdoors, also felt along belt road (house on stilts) as intensifying jiggle, not as strong as quake of July 13 at 04175 km s of Puu Ulaula25 km w of Kealakekua bay25 km w of Keahole pt 30 km from Haleakala seismograph10 km w of Pahala_5 km s of ml seismometer; felt-Hilo to Kapapala; felt from Kapapala to Hilo, only slight at hnp!Kealakekua fault; felt-Capt. cookBassume 5 km depth; assume 10 km from Kona; Eaton and Fraser, 1957bfelt-Capt. cook; Capt. Cook-4, wakened by jolt,, generally felt by those awake, others wakened; Onouli-people awakened by window rattle or rumble preceding; CC mauka-preceding rumble from Kohala; Kealakekua-very light and short, windows on s side rattledKealakekua fault; assume 5 km depth; assume 10 km from Kona; Eaton and Fraser, 1957b; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]kKealakekua fault; felt-Capt. cook; Capt. Cook-2, very short, light jolt; Onouli-very light, felt by 2 awakeCapt. Cook (time 23:30)-awakened, very long, feeble but with three build-ups in intensity, loosened sections of a stone wall; hilo (time 23:17)-3 to 4, felt by most, rapid, moderate, dur 4 sec, sharp, seemed directly beneath10 km se of Hookena sw of lanai13 km NW of desert seismograph+closer to Kamuela?; Eaton and Fraser, 1957cjnear Kealakekua; felt-Kealakekua; sharp at kealakekua, awakened people; felt by a few people in Capt. Cook=preferred magnitude calculated as average of Honolulu and HVO:latitude given in error as 2348'; E< aton and Fraser, 1957cnot in Eaton and Fraser, 1957cfelt widely-Hawaii island, Maui; preferred magnitude calculated as average of Honolulu and HVO; hilo-gentle, jarring quake, felt by fewnot separately listed in Eaton and Krivoy, 1958a; date and time from felt report; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]; preferred magnitude [minimum] inferred from Eaton and Krivoy, 1958a, table 210 km e of Puulatitude given in error as 2348'; Eaton and Fraser, 1957c; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]mMacdonald and Eaton, 1956a; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]*Kaoiki fault w of Kilauea crater; felt-hnp s-felt (hilo)<3.47offshore 20 km ENE of Hilo; felt-Hilo, Glenwood; felt in Glenwood and by several in Hilo; preferred mag average of Honolulu and nomogram20 km NNW of Keahole pt; felt-Honokaa; Kealakekua-5, very fast and quite strong; Kukuihaele-4, shook buildings, also felt in Honokaa; Hakalau-not strong, house shook; preferred magnitude calculated as average of nomogram and HonoluluAMacdonald and Eaton, 1956b; additional felt reports in HVO, unpub20 km w of Hookena; felt-Kealakekua; Capt. Cook->II, windows rattle and shake, jolt like dynamite charge; Kealakekua-building shook; Kainaliu-awakened, windows rattlejEaton and Krivoy, 1958b; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]10 km NE of Mauna Kea summit20 km se of Kamuela 10 km NE of10 km NW of Pahala 5 km w of Puux8 km SW of Kealakekua; felt-Kealakekua; Capt. Cook-3, sharp shake, gentle shake, dur 2 sec; Kealakekua-brief, sharp jolt5 km n of Ainapo; felt strongly-Kapapala; also from Kealakekua to Hilo; Hilo-2, felt by several, rapid, short, dur 2 sec, windows/doors rattled; Kapapala, sharp vertical bump followed by jiggling; volcano-jolt followed by sway; Hilo-felt slightlymMacdonald and Eaton, 1956b; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards].30 km w of Kailua; felt-Kealakekua, Capt. cook10 km SW of ml seismometer; felt-hnp, Kealakekua, Kamuela; Kealakekua-very slight; Waimea-felt by several, pheasants cried a few sec before quake; hnp-felt by somejEaton and Fraser, 1957d; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]f?-felt (kona)several km n of Kealakekua; felt-all Kona to hnp; Kealakekua-strong, pictures in house all tilted mauka and makai; preferred mag average of Honolulu and nomogramfSW rift; 5 km SW of Puu; felt-Kona; preferred magnitude calculated as average of nomogram and Honolulu*assume 5 km depth; Eaton and Fraser, 1956a 10 km n of molokai osIV (Cox)not recorded at Whitney vault 10 km NNW ofKaoiki fault near halfway house>Honolulu data average of two readings; Eaton and Fraser, 1956as-felt (kamuela);20 km NNW of Kamuela; felt-Kamuela; Kamuela-felt by severaljEaton and Fraser, 1956b; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]HVOV (S&C); IV (hilo, kona)!5 km w of Keanakolu; honokaa-felt5 km w of Keanakolu!5 km w of Keanakolu; felt-honokaa+near Puu Kulani; felt-volcano; volcano-felt10 km s of Puunear Puu Kohala summitsw of kahoolawe140 km s of Honoluluvaftershock; Eaton and Fraser, 1956b; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]*Kaoiki fault near Kilauea crater; felt-hnp near Kona seismometer; felt-Kona10 km SW of ml seismometer *assume 5 km depth; Eaton and Fraser, 1957afelt-central Konaxcentral Kona; Eaton and Fraser, 1957a; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]125 km NE of Upolu pt 15 km NW of55 km w of Kailua; felt-Kealakekua; Capt. Cook-felt by few, muffled boom followed by slight quiver; Kealakekua-one person awakened by vibrationfelt-hnp to Kona; hnp/volcano-slight quake, felt by several; Capt. Cook-4, not felt driving car, felt by most standing or sitting indoors; stronger in s Kona than n Kona; preferred magnitude calculated as average of Honolulu and nomograme7 km e of Anipeahi; assume 5 km depth; Eaton and Fraser, 1957a; additional felt reports in HVO, unpubnot in VL 527-date and time from felt report; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]2Kalahiki-2, heard, not felt, another felt as sharpnear mlIPahala-5, felt generally, heard as well as felt, movement acc by rumbling m (naalehu) closer to Naalehu?; VL 527, p. 6m (ml)X10 km n of halfway house; felt-Hilo, hnp, Naalehu; Hilo-felt by two; Naalehu-felt by one` VL 528, p. 5; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]25 km n of halfway house; felt-Hilo, Pahoa, volcano VL 528, p. 5Kalahiki-4, pictures crashed Eaton and Fraser, 1957a Hakalau-feltnot separately listed in Eaton and Fraser, 1957a; class from table, p. 3; date and time from felt report; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]<3.94<3.48Rcentral Kona; felt-central Kona; Kealakekua-very slight, seemed to come from northEKamuela-5, moderately sharp, short duration, windows rattled slightlyKeahole pt; felt-NW 1/3 Hawaii island; Kealakekua-3, Kainaliu-v light, shook more in s Kona; Capt. Cook-3, jerk, then slight sway; Kamuela-5, slight/short, rattled windows; Kalahiki-2; preferred magnitude calculated as average of Honolulu and nomograe VL 529-530, p. 12; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]jEaton and Fraser, 1957b; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]f-felt (naalehu)5 km SW Pahala; felt-Kapapala5 km NE of Kamuela; felt-entire Hawaii island, Maui, Oahu; Hilo-2, felt by many awake, weak, dur 3 sec, windows rattled; Kealakekua-5, buildings/windows shook; Olaa-gentle rolling; volcano-several felt; Pahala/Hakalau-good jolt; Waimea-strongest in 15 yr VL 529-530, p. 12; additional felt reports in HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]Kalahiki-3, pictures creaked st (naalehu)SW rift near Puu Keokeo; felt-SW half Hawaii island; Kapapala-felt strongly; Naalehu-felt quite strongly; Kalapana-felt; hnp-felt; Kalahiki-3(Pahala-5, shook windows, short; hnp-feltqnear Kamuela; Kamuela-4, slight rumble, very moderate, dur 3-5 sec, buildings shook, rattled windows; Umikoa-felte VL 529-530, p. 13; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]CKamuela-5, awakened people, windows rattled, house shook vigorouslyKukuihaele-2, very brief shake VL 524, p. 10&Kamueala-slight, loud noise, dur shortst (ml)assume 5 km depth; assume 10 km from Kona; Eaton and Fraser, 1957b; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards] 13 km n of8 km SW of; felt generally-Hawaii island; additional felt reports in HVO, unpub; preferred magnitude calculated as average of Honolulu and HVOjEaton and Fraser, 1957c; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]near Kealakekua; felt-central Kona; Kalahiki-3; Kealakekua-quite strong and long, followed by light shake 2 min after, not felt at Honokahau; Capt. Cook-v strong, start w sharp waves, followed by 2nd, light1Honokahau-felt, not in Kealakekua or captain cookmolokaivf-felt (haleakala)gNote: Beginning in 1956 the quarterly summaries report only earthquakes recorded as "slight" or greaternot in Macdonald and Eaton, 1956a-date and time from felt report; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]AKaoiki fault near halfway house; felt-hnp; felt at hnp and PahalaCapt. Cook-3, 3 strong jiggles in rapid succession, heard as house creaking and window rattles more than being felt, dur several sec2Capt. Cook-2, small jar, slight window/wall rattle(Seismologist Jerry Eaton joins HVO staffseismograph installed at Naalehu school between July 1 and September 30 [date not< given; first mention of this station in the listing at the end of the Volcano Letter] VL 525, p. 8'near ml seismometer; felt-hnp; hnp-felt` VL 525, p. 7; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]jKaoiki fault w of HVO; felt-hnp, Kona; hnp-felt; Capt. Cook-2, 2 v gentle window rattles about 3 sec apart6Capt. Cook-3, window rattle, east then west, dur 3 secfelt-hnp to Honolulu, Oahu; Kamuela-5, dur 3 sec, vigorous shaking of house, gradual diminishing; hnp-felt by few; volcano-felt by one; preferred mag average of Honolulu (wt 2) HVO, and nomogramLatitude given as 2017' [misprint?]; Macdonald and Eaton, 1956b; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]; HVO magnitude not published15 km NW of KamuelasCapt. Cook-2, very gentle, windows rattle, awake to a slight jolt like something hitting house lightly, then jiggle#Capt. Cook-2, slight jar and jiggleml mag 2. 4-3.0; VL 526, p. 5m; st (naalehu)<3.54lfelt-Kalahiki, Capt. cook, hnp; extensive felt reports in HVO, unpub; Warshauer notes: felt sharply in Hilo near Kealakekua; felt-Kealakekua-assume 5 km depth; Macdonald and Eaton, 1956b<3.81<3.79w shore of Mauna Loa near Hookena; felt-Kalahiki, Capt.. cook, Kamuela, hnp, Hilo, Honokahau; extensive felt reports in HVO, unpub; preferred magnitude calculated as average of Honolulu and nomogrammagnitude agrees if strong referenced to Kona; VL 526, p. 5; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]aftershock; Kalahiki-2not in VL 526-date and time from felt report; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]t; f (kamuela),w flank Mauna Kea; assume 24 km from Kamuela VL 526, p. 5.Kamuela-5, slight rattle of windows, dur 1 secnear Mauna Loa summitf-felt; st (kamuela)omag ml 3.2-3.8; VL 522, p. 4; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]5SW rift near Alika cone; felt-Naalehu; Naalehu-strongKamuela mag >4.8; must be closer to Kamuela; VL 526, p. 5; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]x15 km se of Kamuela; felt-Kamuela; Kamuela-5, strong, loud "explosive" noise with rumble from NE, strong jar to building45 km w of Kailua, Kona; felt-all Hawaii island, Oahu; extensive felt reports in HVO, unpub; preferred magnitude calculated as average of Honolulu (wt 2) and HVOassume 5 km depth (too shallow to fit felt reports?); Eaton and Fraser, 1956b [magnitude given to S&C not published]; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]5bet Mauna Loa and Hualalai; assume 52 km from Kamuela"Kamuela mag 3. 4-4.0; VL 526, p. 6 m (kamuela)<4.11<4.06jKamuela; felt-Kamuela, Hawi; Hawi-rattled windows; Kamuela-5, short dur, sharp jolt acc by explosive sound s (kamuela)Pahala-6, felt by allnot in VL 527; date and time from felt report; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards](Kalahiki-3; Capt. Cook-3, windows rattlerKona mag 3.0-3. 5; VL 520, p. 4; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]felt-most Hawaii island n to Kukuihaele; Hilo-2; Capt. Cook-4, awakened, dogs barked, tremors built to climax then tapered; very strong jolt at Honokahau, quite severe at Kona hospital; Kukuihaele-2; Kalahiki (Kona)-3; Kealakekua-longer than May 256assume 15 km from Kona; felt-s Kona; Kalahiki (Kona)-2 s; st (kona)<4.01` VL 522, p. 5; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]qKohala; Kamuela-5, strong, loud explosive sound, shook house decidedly, duration 1/2 sec; Hawi-4, rattled windows*se flank Mauna Loa 3 mi w of halfway house VL 523, p. 65se flank Mauna Loa 5 mi se (sic-SW?) of halfway housese flank Mauna Loamag ml 2. 4-3.0; VL 523, p. 6%se flank Mauna Loa near halfway housenot recorded at Whitneyt-felt; vf (uwe)not in VL 528-date and time from felt report; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards] hilea deep vf (naalehu)felt at Pahalanear ml seismometer; felt-Pahala, Naalehu, volcano; preferred magnitude calculated as average of Honolulu and nomogram; hnp-felt; Naalehu-felt by several; Pahala-5, rattled windows, not of long durationdo; no felt reportnot in VL 529-530-date and time from felt report; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards] st (kamuela)Kealakekua fault; assume 5 km from Kona; Capt. Cook-3, shake and house rattle similar to heavy truck passing, rumbling acc quake` VL 523, p. 7; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]2NE rift near ml seismometer; assume 6.5 km from ml*NE rift; assume 6.5 km from ml seismometerNote: Beginning in the second quarter of 1954 the Volcano Letter separately reports only earthquakes recorded as "feeble" or greater; very feeble and greater continue to be tabulated as weekly totalsJCapt. Cook-3, jolt, Kealakekua felt as large truck passing, windows rattlenot listed separately in VL 523, class assigned from table; location, date and time from felt report; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]2Capt. Cook-felt as quiver at Kealakekua by severals; st (ml; kona; hilo)not listed separately in VL 524, class assigned from table; location, date and time from felt report; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]ZNE end of Mokuaweoweo; felt-hnp; volcano-felt throughout, gentle slow motion of dur 30 sec naalehu-feltnot separately listed in VL 529-530, class from table; date and time from felt report; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]t-felt?vKona >3.8 if shallow; VL 524, p. 10; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]/Kalahiki (Kona)-3, pictures slanting toward Kau f; st (ml)Kaoiki fault near halfway house [depth made shallow and latitude and longitude put close to ml seismometer to better fit the contrasting signals at Whitney and ml]nn coast of Molokai; felt-Oahu; preferred mag is average of Honolulu readings with Milne-Shaw given half weight VL 529-530, p. 134Kealakekua-very light, windows on south side rattlednot in VL 524-date and time from felt report; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]7central Kona; assume 15 km from Kona; felt-central Konacentral Kona; assume 10 km from Kona to north; felt-Kona; Kukuihaele-2; Capt. Cook-1, not felt (asleep), II (another observer); Capt. cook store "hit and run" through building mauka to makai, Kealakekua felt a joltse slope Mauna Loa near Ohaikeabcentral Kona; assume 10 km from Kona; felt-Kona; Kalahiki (Kona)-2, slight tremor, windows rattledt (ml); f (kona)0Kona mag 3. 5-4.0; closer to Kona?; VL 519, p. 6IV (VL)t (ml); vf (kona)8Mauna Loa w flank; assume 20 km from Kona, 36 km from mlw slope Mauna Loa VL 521, p. 8Kona; assume 15 km from Konacentral Kona; assume 15 km from Kona; felt-central Kona; Capt. Cook-4, strong jolt followed by tremor as if heavy object struck building, dogs barked; hardly felt in KealakekuaqKona mag 3.2-3.6; VL 521, p. 6; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]prob Kaoiki faultnot in VL 525-date and time from felt report; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]wcentral Kona; assume 10 km from Kona; felt-central Kona; Capt. Cook-3, one sharp shock, "pretty strong", windows rattlecentral Kona; assume 10 km from Kona; felt-central Kona; Hokukano (bet Kealakekua and Kainaliu)-4, like tremendous explosion under house, short by extremely sharp; Kealakekua-strong, windows rattled; Honaunau-short, gentle rattle; Capt. Cook-a sharp jolt7Capt. Cook-2, felt in bed, slight jar and window rattleV (hilo); IV (kona)t-vf-felt (ml))Mauna Loa in VL; felt-Pa< hala; Pahala-felt Kaoiki fault Hualalai 5 mi e of Hainoa crateryassume 15 km from Kona; felt-Capt. cook; Capt. Cook-not felt driving car, felt by person in bed, rumble and slight tremorpKona mag 3-3. 5; VL 522, p. 3; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]s flank Mauna Loa near Anipeahi VL 522, p. 4s flank Mauna Loacentral Kona; assume 58 km from ml; Capt. Cook-3, jolt followed by diminishing tremor, dogs barked before, windows and doors creaked and rattled` VL 522, p. 4; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]0e flank Mauna Kea; felt-Pepeekeo ; Pepeekeo-felt.Kaoiki fault near halfway house; felt-KapapalaAs flank Mauna Loa; felt-Kapapala; Kapapala-strong, swaying motionn flank Hualalai; assume 29 km from Kona; felt-n Kona, n Kohala; Puu Lehua (n Kona)-2, preceded by rumble, pheasants cackled in fields; Hawi-2, rattled windows Kealakekua-2; not felt in S Kona"10 km w of Pohakuloa; felt-Kamuela,ml mag 3.9-4. 4; closer to ml?; VL 526, p. 510 km se of Mokuaweoweooffshore w of Hualalai VL 526, p. 6'assume 15 km from Kona; felt-Capt. cookvf; f (kamuela)not in VL 522-date and time from felt report; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]SW rift Mauna Loa"Mauna Loa 3 mi s of ml seismographml mag 3.9-4. 4; VL 522, p. 4 Kamuela-5NE rift Puu Ulaula t; vf-felt (ml)` VL 526, p. 6; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards])Kaoiki fault near halfway house; felt-hnpml mag 3.3-3.8; VL 526, p. 6Note: Beginning in 1955 the Volcano Letter separately reports only earthquakes recorded as "slight" or greater; very feeble and greater continue to be tabulated as weekly totalss (ml) VL 527, p. 5felt-Kona; Capt. Cook-2, rumble preceded quake, appeared to come from mauka, longish tremor as though a wave passed through the house, soft noise acc quake, dog disturbed and anxious before and during quakew slope Mauna Loa; assume 20 km from Kona; felt-Kona; Capt. Cook-not felt by any contacted; person awakened in Honalu (n. Kona) and Kealakekua7assume 15 km from Kona; felt-central Kona; Capt. Cook-2Mauna Loa summit; felt-Naalehu/Kaoiki fault s of Ainapo; felt-Naalehu, volcano)not in VL; date and time from felt reportassume 15 km from Kona; felt-central Kona; Capt. Cook-2, firm shake, dog awakened and barked, felt as light quake by church congregationfelt-cen, s Kona,, volcano; preferred magnitude calculated as average of Honolulu and nomogram; Kealakekua-5, quite strong, started with bump, windows rattled/Kona; assume 60 km from uwe; felt-Kalahiki Kona(se flank Mauna Loa; assume 15 km from mlNE rift Puu Ulaula; felt-Papaloa Kona, hnp, Kukuihaele; preferred magnitude calculated as an average of HVO and nomogram; Papaloa (Kealakekua mauka-5100 ft alt)-4, sharp jerking, windows rattled, dur 4-6 sec, slight jiggle in Kealakekua; Kukuihaele-2location wrong?; ml mok better fits felt reports and Hon magnitude; Honolulu data average of two readings; ml mag 3.2-3.7; VL 523, p. 6; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards].Kona; assume 45 km from ml; felt-Kalahiki Kona near Hilo; assume 5 km from HiloKona; assume 15 km from Kona; felt-Capt. cook; Capt. Cook-4, dur several sec, house creaked, windows rattled, awakened people, long but not strong, direction Mauna Loa, "pretty strong" in Kealakekuaassume 35 km north from Kona; felt-cent Kona, Hawi; Hawi-a single sharp jolt that rattled windows, no aftershocks or rumbling; Capt. Cook-1, very light jolt&assume 15 km from Kona; felt-cent Konaassume 15 km from Kona; felt-cent Kona, Hawi; Capt. Cook-3, like heavy truck with acc rumble, rather strong jolt with longish tremor&prob Kaoiki fault; assume 5 km from ml'felt strongly-Kapapala; slight-volcano,vf-felt; s (ml)Sml mag 3.1-3.6; better fit if event closer to ml seismometer; Kaoiki?; VL 521, p. 6ffelt strongly central Kona; Capt. Cook-3 to IV, awakened, strong sharp jolt, felt by few in KealakekuaKona; assume 10 km from Kona3Capt. Cook-1, few people sitting felt light quiver]not in VL 521-date and time from felt report; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]n slope Hualalai near Puu waa waa; felt-all Hawaii island, Maui, Honolulu; Warshauer notes: "moderate" to "strong" quake felt widely; Hilo variable, light fixture unhinged; Kona (strong-rattled items),, Kapapala, Volcano, Kohala, Hamakua and Hilo ml mag 2. 4-3.0; VL 524, p. 10Kona; assume 4 km from Kona; felt-Kealakekua, Capt. cook; Capt. Cook and Honaunau mauka-3, jar; Kealakekua-4, short and sharp jolt, windows rattle; Honalo-short shakedeeper? from felt reports; mag Kona >5.0, mag Hilo >5. 4, mag ml >5.0; VL 521, p. 5-6; HTH, 8/22/1953; extensive felt reports in HVO, unpubassume 15 km from Kona; felt-Kona; Capt. Cook-3, began w rumble, then shaking makai-mauka as though wave had passed through house; also felt Kealakekuaml mag >3.3; VL 524, p. 11<3.39<3.34UKona; assume 5 km from Kona; felt-Kona; Kalahiki (Kona)-2, pictures tilted toward Kau Kona >3.8 if shallow; moderate at Kona?; VL 524, p. 11; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]/seismograph installed on Waimea school grounds 0kealakekua-light shake, not long; honokahau-feltVassume w slope mk; 45 km from Kona, 55 km from Whitney, 56 km from Hilo, 42 km from ml3Kona mag 2. 4-3.6; Hilo mag 2.3-3. 5; VL 517, p. 6 s (m-ml):Kaoiki fault (?); assume 20 km from Whitney, 10 km from mlml mag 3. 5-4.0; VL 517, p. 6(see note for 7/14/52 16:45; VL 517, p. 7 VL 517, p. 7'felt-Kukuihaele; Kukuihaele-2 (8:15 am)` VL 517, p. 7; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards] vf? (kona)Kealakekua fault near Kealia (?); felt-central Kona; Capt. Cook-3, jolt and noise, slight tremor as though passing of large truckrKona mag 3. 5-4.0; VL 519, p. 6; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]<3.87<3.584Kaoiki fault bet bird park and Ohaikea; felt-volcanoassume 15 km from Kona; felt-central Kona; Capt. Cook-2, slight jar, not felt at Papaloa (5100 ft alt above Kealakekua), dogs looked around without barking t; s (ml)!Kaoiki fault; assume 5 km from ml VL 522, p. 3"Kaoiki fault; assume 10 km from ml5central Kona; assume 15 km from Kona; felt-Capt. cook` VL 522, p. 3; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]ml wf?Hualalai 9 mi e of Hainoa crater; felt-Kona; Capt. Cook-4, objects rattled, dur 15 sec, dogs barked, small shock then big one, Kealakekua-2 strong shocks, dishes rattled; Papaloa-v strong, trees swayed, Capt. Cook mauka coffee land-large trees shookHon mags seem too low; se flank Mauna Loa about 20 km n of; Honolulu data average of two readings; mag >4. 4; closer? or slight?; VL 526, p. 5; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]; HTH, 10/8/1954&se flank Mauna Loa near ml seismometerml mag 2.2-2.8; VL 526, p. 5Honolulu data average of two readings; closer? or slight; VL 519, p. 6; HTH, 3/26/1953; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards] vf-felt (ml) III (Naalehu)~felt moderately-; slightly-Kona; 47.5 km from ml; Warshauer notes: A quake at 1:40 a.m. was intensity II-3.; Kalahiki (Kona)-3p VL 519, p. 6; HTH, 3/26/1953; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]central Kona; assume 10 km from Kona; felt-Kona; Capt. Cook-2, short, rumbling shake, more house and ground noise than tremor, dogs barked, classified as jolt VL 520, p. 4 NE slope Mauna Loa; felt-volcanoml mag 3.1-3.6; VL 520, p. 4not in VL 520-date and time from felt report; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]t; vf-felt (kona)central Kona; assume 10 km from Kona; felt-Kona; Capt. Cook-3, rather prolonged window rattling, though < no actual shake felt, dogs barked, few persons awakened` VL 520, p. 4; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]felt-volcano, s Kona, Kohala; Kalahiki (Kona)-4; Capt. Cook-2, awakened, gentle window rattling, strong at beginning gradually becoming weaker, dur 10 sec or more; Hawi-2 Kalahiki-2CNE rift; felt-Hilo; Hilo-2, one feeble jar w slight window rattlingTpreferred magnitude calculated as nomogram magnitude multiplied by number of events zearthquake swarm on Mauna Loa northeast rift; 49 events t (ml) not separately tabulated; Macdonald and Eaton, 1955, p. 159$s flank Mauna Loa near halfway house VL 522, p. 5vf?-felt$Kalihiki (Kona)-2, very slight shakeVL 522, p. 5; HVO unpubWKona; assume 15 km from Kona; felt-Capt. cook; Capt. Cook-2, slight jar, windows rattleoffshore bet Molokai and lanai; felt widely on Oahu, houses creaked, windows rattled, fixtures rocked; short quake centered on Oahu or offshore was felt widely in Honolulu, also felt lightly on Maui and Kauai. Rated as intensity IV and not damaging.ECox, 1986; not recorded at Whitney vault; VL 516, p. 7; HTH, 4/7/1952 ml swr deep?felt strongly--volcano, moderate at Hilo, slight at Paauhau and Kukuihaele; Warshauer notes: sharp quake, acc by roar, jolted Hilo, rattling windows and dishes; no damage; "quite strong", Kapapala and Naalehu; additional felt reports in HVO, unpubHualalai summit; felt-Kona; Capt. Cook-3, all occupants awakened, inc. dogs, sharp shaking w roaring noise, strongest in Capt. Cook, Kealakekua and Keei mauka, felt as if it would get stronger, then suddenly quitKona mag 4.2-4.7; must be closer to Kona; VL 518, p. 12; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards] VL 519, p. 5Honolulu data average of two readings; Kona mag >4.1; VL 520, p. 4; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards],Capt. Cook-1, not felt, slight window jiggle?se slope Mauna Loa near Kapapala; felt fairly strongly-Kapapala VL 520, p. 5)w slope Mauna Loa; assume 20 km from KonaKona mag 2.8-3.3; VL 520, p. 5Scentral Kona; assume 15 km from Kona; Hookena (date given as June 27-wrong?)-slightpml mag 3.0-3. 5; VL 520, p. 5; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]ml mag 3.0-3. 5; VL 520, p. 5NE rift; assume 15 km from ml VL 521, p. 6 t; f (uwe)assume 15 km from uweml mag 2. 4-3.0; VL 521, p. 6` VL 523, p. 6; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]#assume 5 km from ml; "Mauna Loa" in VL 523, p. 7.Kona; assume 50 km from ml; felt-Kalahiki Kona(se flank Mauna Loa: assume 10 km from ml$assume 10 km from ml; "Mauna Loa" indo; assume epicenter between Kukuihaele and Hilo; Warshauer notes: 2 quakes were recorded last night, one at 10:56 p.m. and the other at 4:42 a.m. Both were felt in Hilo; Kukuihaele-5, rumbling noise followed by quake, buildings shook, objects rattledo VL 517, p. 6; HTH, 7/7/1952; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]felt-Kukuihaele, Hilo; assume epicenter bet Kukuihaele and Hilo; Warshauer notes: see above; Kukuihaele-5, buildings shook, awakened persons m; st (kona)felt strongly-Kahuku,; moderately at Kapapala, volcano, Hilo, Kona; slightly Kukuihaele; Warshauer notes: strongly felt s part of Big island, less at Kukuihaele; preferred magnitude calculated as average of Honolulu and nomogramHonolulu data average of two readings; depth 23 km; moderate?, shallower?; VL 519, p. 6; HTH, 2/8/1953; additional felt reports in HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]hilea osR4 mi S45E from Naalehu; Capt. Cook-felt by those awake, small shake acc by roaring^Capt. Cook-3, dur 20 sec, gentle continuous tremors, felt at Kalahiki, mauka to makai movementSW slope Hualalai 3 mi e of Holualoa; felt-Kona (strong), and Kapapala (moderate), volcano (slight); Warshauer notes: quakes felt in Volcano, Hilo, Kapapala, and Kona; stronger than event two days ago in volcano, less strong in Kona Honolulu data average of two readings; if referenced to Kona station; VL 521, p. 5-6; HTH, 8/24/1953 [newspaper reports "strong" on HVO and ML stations-inconsistent with location given]; extensive felt reports in HVO, unpubNE rift; assume 20 km from mlt; vf (ml; kona; hilo)Hualalai summitVI; VI [USE; S&C] 4500 ft SW rift; felt-s Hawaii island; Warshauer notes: "strong" quake shook Big Island; no damage; felt all island; Kona dur 30 sec; Kahuku Ranch-stone fences down, concrete sidewalks cracked, few dishes broken; additional felt reports in HVO, unpubs VL 514, p. 5; HTH, 11/8; 9/1951; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]K assume 4 km from Kona; felt-Kealakekua ; Kealakekua-noise followed by bump` VL 514, p. 5; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]assume 10 km from Kona; felt-Kona; Capt. Cook (Greenwell diary-12:30 PM)-two slight quakes, 5 min apart, 2nd quake (12:35) III, from makai to mauka, pictures on Kau and Kohala walls slightly tilted makai, felt in parked automobilesnot in VL 517, p. 7; date and time from felt report [might be 12:36?]; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]t-felt; f (kona)Hualalai summit; felt-Kona,, Kapapala; Capt. Cook-3, pheasants cried ~2 seconds before quake felt, rolling wave like tremor passed through the house rattling windows; felt similarly in Kailua and Honokahau; naalehu-felt as short hard joltKona mag 3.7-4.3; VL 519, p. 6; not found in HTH; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]t; vf (ml; kona)"assume 30 km from ml, 40 from KonaKona mag 2.3-3. 5; VL 519, p. 6Honolulu data average of two readings; ml mag 4.3-4.9; closer to ml or slight at ml?; VL 522, p. 3; additional felt reports in HVO, unpubfelt-Pahala; Kukuihaele-2lsee narrative VL 522 p. 3; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]Kohala; felt-Kukuihaeleassume 15 km from mlstrong at Naalehu, Kapapala; slight-most Hawaii island; Warshauer notes: strong at Naalehu, Kapapala; Kukuihaele-2; Hilo-2; Kalahiki-2; Capt. cook-2, v slight quiver, window rattle; preferred magnitude calculated as average of Honolulu and nomogramlocation reasonable?; VL 515, p. 6; HTH, 2/2/1952; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]felt-Kukuihaele; Kukuihaele-2assume 15 km from Kona IV (Kapapala)Warshauer notes: quake felt strongly at the Kapapala Ranch headquarters as a short sharp bump; no damage; origin on Kaoiki fault close to Kapapala|HTH, 2/12/1952 [date and time from felt report; omitted from VL 515, including table, but time and class given to newspaper]Kaoiki fault near bird park (?) Capt. Cook-2not in VL 518-date and time from felt report; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]<central Kona; assume 4 km from Kona; felt-Kona; Capt. Cook-2rKona mag 3.2-3.6; VL 518, p. 12; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]central Kona; assume 4 km from Kona; felt-Kona; Capt. Cook-3, people standing-sensation of blast through soles of feet, short strong jolt, slight window rattle, bedside lamp swayed; strongest quake in several mos, dogs barked, shaking mauka to makai not in VL 520-date and time taken from felt report; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]assume 15 km from Kona; felt-s Kona; Capt. Cook-3 (18:15 approx time), not felt, felt by a few in central Kona, v strong at OpihaleKealakekua fault (?); assume 15 km from Kona; felt-central Kona; Capt. Cook-3 to IV, came suddenly w very rapid vibrations, objects on shelves vibrated, a few fell to floor; strong jolt in KealakekuasKona mag 3.0-3. 5; VL 518, p. 12; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]p VL 513, p. 6;< HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]; HTH, 9/17/1951'Kaoiki fault; 10 events, 1:43-21:05; vfvf-felt; m (kona)+w slope Mauna Loa near summit; Kealakekua-3must be much closer to Kona; Kealakekua fault give Kona mag 3.6-4.1?; VL 513, p. 6; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]11000 ft SW riftshallower? or closer?; 9200 ft SW rift, 35 km from ml seismometer; ml mag 4.4-4.9; VL 516, p. 7; HTH, 4/11/1952; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]se slope Mauna Loa3Honolulu data average of two readings; VL 516, p. 7<3.71<3.24$se slope Mauna Loa; Kapapala ranch-2` VL 516, p. 7; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards] S&C (Pas)<3.49assume 10 km from Kona; Capt. Cook-1, bump on mauka wall of house, a pause, then windows jarred slightly with a rattle, slight noise from mauka to makai acc shock` VL 519, p. 5; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]f-felt; st (kona)central Kona; assume 15 km from Kona; felt-central Kona; Capt. Cook (time 10:30 approx)-2, jolt-type, little or no tremor but rather loud rumble during quake` VL 521, p. 6; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]` VL 519, p. 6; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards] VL 519, p. 6felt-Kapapala,, Kona; Warshauer notes: A small earthquake felt at and Kapapala occurred at 9:08 a.m. on Jan. 9.; Capt. Cook-not felt walking, v slight indoors, few felt or heard itlat-long in error; felt reports favor Hilea; VL 519, p. 6; HTH, 2/8/1953; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]felt-Kapapala; Kalahiki (Kona)-slight tremor, not felt; Capt. Cook-1, not felt in S Kona, felt as slight tremor in Honalo and Honokahau (n Kona) VL 514, p. 4'Kaoiki fault near Hilea; felt-Kapapala,e edge of Kealakekua bayKona mag 2. 5-3.1; VL 514, p. 40Kaoiki fault 4 mi NE of Kapapala; felt-Kapapala, Kaoiki fault 3 mi NE of KapapalaCml mag 3. 4-3.9; needs to be closer to ml seismometer; VL 514, p. 4 Hilea; felt-assume 10 km from Konacentral Kona; assume 10 km from Kona; felt-Kona to Hilo; Kealakekua-strong and short; Hilo-2, very light; preferred magnitude calculated as average of Honolulu and nomogram` VL 514, p. 4; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]f-felt; m (kona)^central Kona; assume 4 km from Kona; felt-Kealakekua ; Kealakekua-3, stronger than one at 4:45central Kona; assume 15 km from Kona; felt-Kona to Hilo; preferred magnitude calculated as average of Honolulu and nomogram; Kealakekua-5, strong all over Kona, strong and hard, not long, came from south, sounded like a blastHonolulu data average of two readings; VL 517 time 13:53; Honolulu records record event at 13:38; our calculated mags are 4.9 (Whitney); 4. 5 (Kona); VL 517, p. 6; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]Edate from felt report (1/13 in VL); closer?; VL 519, p. 6; HVO, unpub faint trace S&C (Bkl)felt strongly-s Hawaii island Hilo to Kona; slightly on Oahu; Warshauer notes: strong earthquake near Kapapala ranch headquarters. Objects upset and knocked from shelves as far away as Hilo; residents of south Hawaii wakened; also felt on Oahu VL 519, p. 6; HTH, 2/8/1953; extensive felt reports in HVO, unpub; preferred mag calculated as average of M-S (2) and Berkeley (1) assume 10 km from ml(see note for 7/14/52 16:45; VL 517, p. 6f; s (ml; hilo)Dassume mk summit; 37 km from ml, 43 km from Hilo, 48 km from Whitney0hilo mag 3.9-4. 4; ml mag 3.8-4.2; VL 517, p. 6 VL 514, p. 5\Kealakekua fault; Capt. Cook (Greenwell diary)-0605, windows rattled, wake up to dog barking!Capt. Cook (Greenwell diary)-jolt/Capt. Cook (Greenwell diary)-long window rattle KonaKona mag 2.8-3.3; VL 513, p. 6vf-felt; f (kona)NKealakekua fault; felt-Kona; Capt. Cook (Greenwell diary)-gentle window rattle f-felt (kona)G assume 15 km from Kona; felt-Kealakekua ; Kealakekua-very slight shaket-vf-felt (kona)A assume 15 km from Kona; felt-Kealakekua ; Kealakekua-light shakeMcentral Kona; assume 4 km from Kona; felt-Kealakekua ; Kealakekua-light shakelassume 15 km from Kona; Capt. Cook (Greenwell diary)-3, rumbling preceded shake, jolt-type with slight shakeICapt. Cook (Greenwell diary-approx 5 PM)-noisy jolt felt only in Holualoanot in VL 517; time and date from felt report; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]Nw slope Mauna Loa; felt-s Kona; Kalahiki (Kona)-3, sharp jolt, dur several sec.near Mauna Loa summit probably on NE rift zone+ml mag 3.3-3.8; closer to ml?; VL 519, p. 6 IV (Naalehu)fassume 15 km from Kona; felt-Kona; Capt. Cook-1, v slight tremor, windows rattle, fairly loud rumblingaCapt. Cook-3; II, smart jolt followed by longish diminishing tremor, one person wakened, no noise,felt-Naalehu, Kapapala; assume 30 km from mlml mag 3.6-4.1; VL 518, p. 12ml mag 2.3-2.9; VL 518, p. 12(f-hilo)assume 5 km from Hilo VL 518, p. 12^Capt. Cook-1, very slight oscillating quivers lasting about 5 min [probably not a real quake?]nearly under Kaumana [Hilo]; felt-most of Hawaii island, strongly at Hilo; Warshauer notes: A short strong earthquake jerked some Hiloans awake at 1:16 this morning, but no damage reported.; Captain Cook-4; Hilo-2 to III, rattled windows; Kukuihaele-5rKona mag 2.8-3. 4; VL 515, p. 6; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]0.8 mi n of Kealia; Capt. Cook (Greenwell diary)-2320, short, light, windows rattle, but seems to have been very light; continuous shaking for 15 minutes or so afterward*Capt. Cook (Greenwell diary)-gentle rattle0Kaoiki fault near wood valley (?); felt-Kapapalafelt strongly-Kona; intensity IV; Capt. Cook (Greenwell diary)-at Napoopoo beach felt and sounded like an explosion a few feet underground, more terrifying than 1st quake(Capt. Cook (Greenwell diary)-tiny jiggleSfelt-Kona to; intensity III; Capt. Cook (Greenwell diary)-good one, rattled windowsNCapt. Cook (Greenwell diary)-not felt at 5200 ft altitude, jolt felt by others\Capt. Cook (Greenwell diary)-good, noisy jolt; go to Honolulu after this, return in NovemberqKona mag 3.1-3.6; VL 513, p. 6; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards] t; f (kona)assume 5 km to Kona t; m (kona)Kona; assume 15 km to Kona f; sl? (hilo)Acentral Kona, probably on Kealakekua fault; assume 4 km from KonaKona mag 3.6-4.1; VL 515, p. 6 Kukuihaele-2rKona mag 3.6-4.1; VL 518, p. 12; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]assume 10 km from Kona; Capt. Cook-2, not felt in auto, slight jolt and window rattle, picture on mauka wall slightly tilted in Kohala directiona VL 518, p. 12; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]=central Kona; assume 15 km from Kona; felt-Kona; Capt. Cook-3(Kealakekua (Greenwell diary)-slight joltnot in VL 516-date and time from felt report; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]Kaoiki fault near Ohaikea VL 516, p. 7-Kealakekua (Greenwell diary-9 PM)-tiny jiggleIV (Cox; S&C); V (USE)9000 ft SW rift V (VL; S&C)Kaoiki fault 3 mi NE of Kapapala; felt-Kona to Hilo; felt-Hilo-3 to IV; Hilo-3 to IV [date given as 9/15]; Warshauer notes: shook the Big Island; dismantled HVO and ML seismographs; strong in Hilo, Volcano. Pahala, and Kona; no serious damage;21 f and vf aftershocks between 1:29 and 3:50; VL 513, p. 6m (kona)felt-Kona to volcanoL11 f and vf aftershocks between 04:00 and 06:03; times assumed; VL 513, p. 6s (kona)lKapapala ranch-last aftershock felt at 6:15 am (should correspond to 6:03 event; see also later tabulations)Kona mag 3. 4-4.0; VL 513, p. 6 t; s (kona) vf; st (kona)< felt strongly-Kona; Warshauer notes: fairly strong, dismantled Kona seismometer; Kealakekua-4, first quake we have felt for about a week, quite long but not strong, started with bumpfelt strongly-Kona; additional felt reports in HVO, unpub; preferred magnitude calculated as average of Honolulu and nomogram (Whitney distance)Kona mag >4.3 closer?; Honolulu data average of two readings; N-L low?; central Kona on Kealakekua fault near Keei; VL 519, p. 5; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards] do; aftershock; Kona mag 3.3-3.8Iassume 10 km from Kona; felt-Kona; Capt. Cook-1, not felt, very small jar43 events July 5 central Kona; assume 10 km from Kona VL 517, p. 6vf-felt; (f-hilo)Nfelt-Kukuihaele; assume epicenter at Kukuihaele; Kukuihaele-5, buildings shookqHilo mag 3.7-4.3; VL 517, p. 6; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]Kona mag VL 4.3-4.8; closer to Kona?; preferred magnitude averages Whitney, Kona and two Honolulu magnitudes; VL 513, p. 6; HTH, 9/25/1951/central Kona; assume 15 km from Kona; felt-Kona$central Kona; assume 10 km from KonaKona mag 3.2-3.8; VL 513, p. 6; HTH, 9/25/1951; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]s-felt; m (kona)ydo; felt generally-n Kona; Warshauer notes: see above; preferred magnitude calculated as average of Honolulu and nomogramNHonolulu data average of two readings; closer? or slight at Kona; VL 513, p. 6@felt-Kona to volcano; Kapapala ranch (5:18 PM)-medium earthquakeAfelt-Kona to; Capt. Cook (Greenwell diary)-1730+, pretty good oneWs slope Hualalai 4 mi se of Holualoa; felt-Kona; Kealakekua-3, short and not too strongqKona mag 3.3-3.8; VL 513, p. 7; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]not in VL 513-date and time from felt report; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]+Capt. Cook (Greenwell diary)-windows rattle#Capt. Cook (Greenwell diary)-slightZKealakekua fault; Capt. Cook (Greenwell diary)-0030, jar; no quakes felt during rest of am3Capt. Cook (Greenwell diary)-gentle, windows rattle;Kealakekua fault; Capt. Cook (Greenwell diary)-1100, gentleqKona mag 3.6-4.1; VL 514, p. 4; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]Kealakekua-very lightnot in VL 517; HVO, unpubassume 5 km from mldo; VL 517, p. 6 vf (ml; hilo)%assume 20 km from ml, 25 km from HiloHilo mag 1.8-3.0; VL 517, p. 6'see note for 7/1/52 16:45; VL 517, p. 6not in VL 514-date and time from felt report; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards] s-felt; m-ml#3000 ft NE rift; felt-volcano, Hiloml mag 3.9-4. 4; VL 514, p. 4NE rift?; felt-volcanoKona mag 2.8-3. 4; VL 514, p. 4t-felt; s (kona)dcentral Kona; assume 4 km from Kona; felt-Kealakekua ; Kealakekua (time 11:15 am-wrong?)-light shakefelt-ml summitKaoiki fault 3 mi NE of Hilea=near Keokea; Capt. Cook (Greenwell diary)-windows rattle wellrKona mag 3. 4-3.9; VL 513, p. 6; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]?Kealakekua fault; Capt. Cook (Greenwell diary)-1400, tiny quake13 mi WSW of mountain view; felt-mtn view, volcano? VL 508, p. 12; Honolulu data average of two readings; N-L low?e slope Mauna Loa near Ohaikea #ml swr eruption ends; VL 508, p. 11 VL 509, p. 6!n slope Mauna Loa; felt-hnp, Hilo VL 509, p. 7xe slope Mauna Loa; felt widely-most of Hawaii island; preferred magnitude calculated as average of Honolulu and nomogram VL 510, p. 4SW slope Mauna Loa above south point; felt-;Capt. Cook (Greenwell diary)-windows rattle and dog barking vf; m (kona)iKealakekua fault; felt strongly-Kona; Capt. Cook (Greenwell diary)-0720, slight improvement, ditto resultassume 10 km from Kona; Capt. Cook (Greenwell diary-6:10 am- time off?)-noisy jolt woke observer in Captain cook; preceding rumble then longish slow sway, slight window rattle, many awakenednot in VL 517-date and time from felt report; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]OCapt. Cook-1, lying in bed, like blast of dynamite, slight rumble [real quake?]Qassume 10 km from Kona; felt-Kona; Capt. Cook-2 (11:55 am), jolt type with rumblecentral Kona, probably Kealakekua fault; assume 4 km from Kona; felt-Kona; Capt. Cook-3, initial jar, then shake, rattling windows, house shook$central Kona; assume 15 km from Kona#central Kona; assume 4 km from KonaKona mag 3.2-3.6; VL 515, p. 6_central Kona; assume 10 km from Kona; felt-Capt. cook; Captain Cook-5, short, strong and heavy;Kealakekua fault; Capt. Cook (Greenwell diary)-PM, fair oneKona mag 3.8-4.3 if s part of fault; VL 513, p. 6; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]'Capt. Cook (Greenwell diary)-light jolt. Kona; Capt. Cook (Greenwell diary)-0030, jolt'Capt. Cook (Greenwell diary)-slight jar/ Kona; Capt. Cook (Greenwell diary)-0030, shake(Capt. Cook (Greenwell diary)-0030, shakeKona mag 3.6-4.1; VL 513, p. 6-Capt. Cook (Greenwell diary)-"wake up" rattleisoseismal map in W&K; depth 10 km; lat and long of description are 19 29. 5 and 155 58.3 offshore; VL 513, p. 6; HTH, 8/21/1951; HVO, unpub; see also bib for detailed felt reports m? (kona)not separately in VL 513 [Note: on 8/21 and 22 designations of strong, moderate, etc. refer to the Kona seismograph for consistency with Honolulu magnitudes, even though explanation at top of p. 6, VL 513 says differently]lost in mainshockFnot in VL 513; found on Hon film record, largely obscured in mainshock st (kona)/origin near preceding quake; felt strongly-Konae rift near Puu Huluhulu; Warshauer notes: nocturnal tremor felt in Hilo around 12:30 a.m. today; dishes rattled in the vicinity of Halai Hill; location given as NE rift of Mauna Loa at 11,000 feet; slight in Hilo; not felt in Konanot in VL 515-date and time from felt report; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]/se slope Mauna Loa near Kapapala; felt-Kapapala8500 ft SW rift; felt-Kapapala(n slope Mauna Loa 11 mi n of Mokuaweoweoml mag 3.0-3. 5; VL 515, p. 6#central Kona; assume 5 km from Kona[newspaper location at variance with VL published location; calculated magnitudes, assuming slight at Hilo, fail to agree for either; location guessed, consistent with Hilo/HVO size classification and with felt report]; VL 513, p. 6; HTH, 9/11/1951Kona mag 3.1-3.6; VL 513, p. 6Kona mag 3.0-3. 5; VL 513, p. 6assume 15 km to Kona21 f and vf aftershocks between 1:29 and 3:50; times assumed; VL 513, p. 6; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards] s-felt (kona)Rfelt-Kona to volcano; preferred mag calculated as average of nomogram and Honolulu]possible detected on one Hon seismometer at this time; not separately listed in VL 508, p. 12Hearthquake swarm; 12 events (vf), not separately listed in VL 508, p. 12Gearthquake swarm; 27 events (t), not separately listed in VL 508, p. 12Bpreferred magnitude calculated as average of Honolulu and nomogramnot separately listed in VL 508VL 5 vf after shocks between 6:03 and 8:03; times assumed; VL 513, p. 6; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards])closer? or moderate at Kona; VL 513, p. 6felt-all Hawaii island, some on Maui; Warshauer notes: "strong" quake felt Kona to Hilo, dur 23 min at HVO; landslides, road damage, water tank breakings and merchandise swept off shelves in Kona; preferred mag calculated as average of M-S (2) and Pas (1)isoseismal map in W&K; Kealakekua fault 3. 5 mi w of Napoopoo; VL 516, p. 8 [damage report on p. 6]; HTH, 5/24/1952; additional felt reports in HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]aftershock; Kealakekua-slight VL 516, p. 8Mauna Loa summit; felt-KapapalaMauna Loa summit2Kaoiki fault near Kapapala; felt strongly< -Kapapala f; s (ml)'assume 5 km from ml, 15 km from Whitneyml mag 2.9-3.3; VL 517, p. 65000 ft NW rift Hualalai; felt-n Kona; Warshauer notes: Two Kona shakers were timed at 12:53 a.m. and 1:26 a.m.; Kealakekua-3, long and slow|closer? or moderate at Kona; VL 513, p. 6; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]<5 f and vf aftershocks between 6:38 and 16:04; times assumed f? (kona)not separately in VL 513zcloser? or slight at Kona; VL 513, p. 6; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]F6 f and vf aftershocks between 17:28 8/22 and 0:25 8/24; times assumed0Capt. Cook (Greenwell diary)-2130, window rattle0Capt. Cook (Greenwell diary)-2320, window rattle2Capt. Cook (Greenwell diary)-0200+, windows rattleJearthquake swarm; VL 5 events (vf), not separately listed in VL 508, p. 12Fearthquake swarm; 8 events (t), not separately listed in VL 508, p. 12Gearthquake swarm; 2 events (vf), not separately listed in VL 508, p. 12Fearthquake swarm; 2 events (t), not separately listed in VL 508, p. 12<4.09<3.57Jearthquake swarm; VL 4 events (vf), not separately listed in VL 508, p. 12Fearthquake swarm; 3 events (t), not separately listed in VL 508, p. 12Gearthquake swarm; 1 events (vf), not separately listed in VL 508, p. 12rKona mag 2.8-3. 4; VL 513, p. 6; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]>Capt. Cook (Greenwell diary)-gentle; no quakes felt rest of PMKealakekua fault9Kona-Kaholo pali; Capt. Cook (Greenwell diary)-slight jar7Kealakekua fault; Capt. Cook (Greenwell diary)-good oneqKona mag 3.2-3.6; VL 513, p. 6; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]%Capt. Cook (Greenwell diary)-good onePcentral Kona; assume 4 km from Kona; felt-Kealakekua ; Kealakekua-sharp and slowKona mag 3.2-3.6; VL 514, p. 4hilo??Hilo-2, slight earthquakeA2.3 mi S75E of Napoopoo; Capt. Cook (Greenwell diary)-gentle joltKona mag 2.8-3. 4; VL 513, p. 6,Capt. Cook (Greenwell diary)-very nice shake&Capt. Cook (Greenwell diary)-tiny jolt)Capt. Cook (Greenwell diary)-good rattler#Capt. Cook (Greenwell diary)-gentle0Capt. Cook (Greenwell diary)-windows rattle wellGearthquake swarm; 3 events (vf), not separately listed in VL 508, p. 12Fearthquake swarm; 9 events (t), not separately listed in VL 508, p. 12Mauna Kea summit; felt-hunters at 10,000 ft on Mauna Kea; Warshauer notes: A rapid fire series of earthquakes in a pattern often indicative of an impending eruption occurred November 4 directly under the summit of Mauna Kea at a depth of 20 miles. VL 506, p. 4; HTH, 11/18/19498Mauna Kea summit; felt-hunters at 10,000 ft on Mauna Kea<2.83e slope Mauna Kea<4.67 bad recordYSW rift 8000 ft; Warshauer notes; felt in Hilo and, no report from Volcano, probably deep VL 511, p. 4; HTH, 1/6/51s-felt; m (ml)<3.51qKona mag 3.6-4.1; VL 513, p. 6; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards] plain near Kamuela"e slope Mauna Loa 3 mi e of Kulani@Kealakekua fault 5 mi w of Napoopoo; felt-central Kona to KahukuoKona mag 3.8-4.3; location wrong-se of Napoopoo?; or feeble at Whitney?; Kona magnitude preferred; VL 514, p. 5'Capt. Cook (Greenwell diary)-good quake(Capt. Cook (Greenwell diary)-short quake0Capt. Cook (Greenwell diary)-small, noisy jiggle0Kaoiki fault near Pahala; felt-Naalehu, Kapapala VL 515, p. 69 plain 5 mi ESE of Kamuela; felt-Kukuihaele; Kukuihaele-2` VL 515, p. 6; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]YCapt. Cook (Greenwell diary)-slept through it-considered good shake by others, dog barked6Capt. Cook (Greenwell diary)-good jolt, not felt by me f; s (kona)Kulani5 mi NW of Kilauea crater; Warshauer notes: larger aftershock [of the deep Kilauea quake on April 22], felt by many residents of Hilo VL 512, p. 5; HA, 4/24/19512 mi SW of Kulani Waimea plain, 6 mi e of Waimea5Kaoiki fault 3 mi SW of Pahala; felt-Pahala,, volcano vf; s (ml)9 mi w of MokuaweoweoDmag ml 3.9-4.3; fits if ml seismometer f instead of s; VL 512, p. 5 SW rift near sulfur cone VL 513, p. 66.75; 7.0; 6.9PAS; BERK; GUTEVIII; VIII (W&K; S&C)3 mi WNW of Napoopoo-prob on Kealakekua fault; strong-all Hawaii island, also Maui, Oahu, much damage on w side Hawaii; Warshauer notes: see bib; Kapapala-severe quake followed by smaller shocks, last at 6:16 am, phone service disrupted, no major damage Warshauer notes: The tremors continued throughout the night. The first rocked Kona at approximately 3:15 p.m. and others of less intensity were felt at 7 p.m., 10:45 p.m. and at 11:05 p.m. [assume May 29-times off, apparently not registered at HVO])[aftershock-time adjusted]; HA, 5/31/1950aftershock; HA, 5/31/1950 VL 513, p. 6 [Calculated nomogram magnitudes for the mainshock and for aftershocks 8/21-8/24 are consistent only if qualitative magnitude classifications reported in the Volcano Letter apply to the Kona seismometer; 10 km distance assumed]J21 f and vf aftershocks between 1:29 and 3:50; times assumed; VL 513, p. 6f (kona)do; VL 513, p. 6 s? (kona)Capt. Cook (Greenwell diary)-pleasant little shake, they're growing again; key to aftershock intensities: windows rattle = 1-2, slight = 2, pretty good one = 3 or 4, jar = explosion type, jolt = larger explosion type, dog barks at intensity 3 or greater!Honolulu data average of two readings; not separately in VL 513; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]wCapt. Cook (Greenwell diary)-3 tremblors in the last 5 minutes; many felt during the day, driving, so no time to recordseismogram pictured in VL 509, p. 4; measured amp fits slight, but caption gives wrong day; Honolulu data average of two readings; not separately listed in VL 508Fearthquake swarm; 2 event (vf), not separately listed in VL 508, p. 12uWarshauer notes: A moderate [cannot be-feeble? or slight?] earthquake, about 8:30 a.m. Wednesday, was plainly felt inRlooked for, not found on Hon film record; HTH, 1/27/1949 [not reported in VL 503!]deep under e slope Mauna Loa VL 503, p. 810 mi SW of WaimeaOhaikea; Warshauer notes: a slight temblor at 11:47 p.m. originated under the east slope of Mauna Loa; plainly felt at Naalehu; [same as the moderate quake in at 11:57?}CHonolulu data average of two readings; VL 503, p. 8; HTH, 1/27/1949Fearthquake swarm; 2 events (s), not separately listed in VL 508, p. 12I6 f and vf aftershocks between 8:03 and 9:38; times assumed; VL 513, p. 6Afelt-Kona to volcano; Kapapala ranch (10:00 am)-slight earthquakeKona mag >3.8 if shallow; VL 513, p. 6; HTH, 9/24/1951; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]Kaoiki fault 2 mi NE of Ainapovf-felt; s (kona)Hualalai summit; felt-Kona; Kealakekua-4, 2 quakes, not as long as the 7:04 PM Sept. 23 quake, noise seems to come from north followed by bump and shakeqKona mag 3.7-4.2; VL 513, p. 6; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]|Kealakekua-4, 2 quakes, not as long as the 7:04 PM Sept. 23 quake, noise seems to come from north followed by bump and shake53 vf aftershocks between 2:14 and 6:38; times assumednfelt-Kona to Kapapala; Kapapala ranch (6:20 am)-slight earthquake; Capt. Cook (Greenwell diary)-0630, good one'not separately listed in; HTH, 6/6/1950eHonolulu data average of two readings; not separately listed in VL 508; 5/be feeble instead of slightnot separately listed in VL 508; should be "moderate", according to table at top of p. 12, VL 508; nomogram magnitudes high unless closer to Kona station?Fearthquake swarm; 3 events (f), not separately listed in VL 508, p. 12Hearthquake swarm; 10 events (vf), not separately listed in VL 508, p. 12Gearthquake swarm; 10 events (t), not separately listed in VL 508, p. 12<3.92Honolulu data average of two readings; not separately listed in VL 508; should be "moderate", according to table at top< of p. 12, VL 508; nomogram magnitudes high unless closer to Kona station?Fearthquake swarm; 2 events (f), not separately listed in VL 508, p. 12Gearthquake swarm; 8 events (vf), not separately listed in VL 508, p. 12Fearthquake swarm; 1 events (s), not separately listed in VL 508, p. 12Fearthquake swarm; 1 events (f), not separately listed in VL 508, p. 12CHonolulu data average of two readings; VL 504, p. 5; HTH, 5/23/1949Kaoiki fault near Ainapo; sWarshauer notes: Two rather strong earthquakes were registered at the Hawaiian volcano observatory Sunday [June 11]/not separately listed in VL 508; HTH, 6/13/1950Gearthquake swarm; 6 events (vf), not separately listed in VL 508, p. 12Gearthquake swarm; 13 events (t), not separately listed in VL 508, p. 12Iearthquake swarm; VL 5 events (t), not separately listed in VL 508, p. 12Warshauer notes: Two strong earthquakes were registered yesterday [June 13], one at 2:05 p.m. and a second at 7:30 p.m. both originating under the southern rim of Mokuaweoweo, the Mauna Loa summit crater/not separately listed in VL 508; HTH, 6/14/1950st?record disturbedvUS C&GS location given as latitude 20 N; Longitude 155. 5 W; wrong?; not separately listed in VL 508; HTH, 6/14/1950Fearthquake swarm; 1 events (t), not separately listed in VL 508, p. 12)Kaoiki fault near Kapapala; felt-KapapalaKaoiki fault near KapapalaMauna Kea summit VL 506, p. 4NE rift; felt- to Hilo; Warshauer notes: A moderate earthquake, originating on the northeast slope of Mauna Loa, was registered at 11:02 p.m.; the earthquake was felt over a wide area, including the Puueo section of Hilo'N-L high?; VL 499, p. 3; HTH, 1/27/1948SW slope Mauna Loa; felt-closer?; VL 499, p. 3Mauna Loa in VL; Warshauer notes: An earthquake at 8:30 a.m. Tuesday was felt in the volcano region. The temblor originated under Mauna Loa VL 499, p. 3; HTH, 3/10/1948e slope Mauna Loa near Mokuaweoweo; felt-hnp, n Kona to Hilo; Warshauer notes: felt over most of Big island; Finch placed the quake 12-15 mi below Mauna Loa's summit [20 mi in]; dismantled one component HVO, both components mlo seismographskKaoiki fault near Ainapo; felt-Kapapala; preferred magnitude calculated as average of Honolulu and nomogram%ml mag 3.8-4.3; N-L low; VL 511, p. 4 ml ner deep%NE rift near Puu Ulaula; felt-Hilo to ml mag VL 4.0-4. 5; VL 511, p. 4DCapt. Cook (Greenwell diary)-windows rattle, seem a bit longer today#Capt. Cook (Greenwell diary)-rumblevf-felt; st (kona)Kealakekua fault; felt strongly-Kona; intensity V; 4 km from Kona; Capt. Cook (Greenwell diary)-1600, not felt by me (riding in jeep) but was "evidently a good shake"yKona mag >3.8 if shallow; VL 513, p. 6; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]!Capt. Cook (Greenwell diary)-tiny=3.5 mi w of Hookena; Capt. Cook (Greenwell diary)-tiny rattlerKona mag 3.0-3. 5; VL 513, p. 6; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards], VL 512, p. 5; HTH, 4/23/1951; HA, 4/24/1951weqs; 1 event (f) not accounted for in VL 508, p. 12 table and listing, including additional events detected in Honoluluzeqs; 14 events (vf) not accounted for in VL 508, p. 12 table and listing, including additional events detected in Honolulu 6.25; 6.4PAS; W&KCox, 1986; Cox mag too low?-even HVO location near Molokai yields M 5.4 5; wrong date--6/26/48--in VL 500, p. 4; HTH, 6/28/1948; see bib for more complete damage report; preferred mag calculated as average of nomogram and Coxupper SW rift; widely felt; all instruments dismantled; damage to water tanks, stone walls, in Kona; Warshauer notes: quake rocked Big Island; duration >5 min; Hilo-broke china, lamps swung; Kona-bottles off shelves; Kona/Hilo seis dism; felt offshoreisoseismal map in W&K [W&K prefer Kona location, which we accept]; VL 508, p. 12; additional felt reports in HTH, 5/30; 6/1/19501Mokuaweoweo; eruption tremor begins; VL 503, p. 7A2 mi NE of Mokuaweoweo; one of the strongest quakes of the seriesMauna Loa; Warshauer notes: Two aftershocks of the May 30 quake recorded at 2:30 p.m. and 5:29 p.m. Both were believed to have originated under Mauna Loa, but at different locations. VL 508, p. 12; HTH, 5/31/1950 <3.62yMauna Loa [closer to Kilauea?]; Warshauer notes: the second shock (see above) was weakly recorded on the Hilo seismographDHonolulu data average of two readings; VL 508, p. 12; HTH, 5/31/1950 tremor begins VL 508, p. 12; HTH, 6/2/1950; eruption high on Mauna Loa southwest rift zone; summit phase last four hours before volcano erupts at 8,000 feet?Honolulu data average of two readings; not separately in VL 513Warshauer notes: An earthquake at 9:30 last night gave Naalehuans first warning of the coming eruption. A peculiar rumbling noise, "something between the sound of a truck in the hills and thunder," was also heard.magnitude fit for eqs during eruption is best when earthquakes referenced to Kona seismometer (31 km; not listed in VL 508; HTH, 6/2/1950@Warshauer notes: felt; stronger than the one at 9:30 p.m. June 1@not separately listed in VL 508, taken from table; HTH, 6/3/1950pnortheast rift of Mauna Loa; Warshauer notes: dismantled Mauna Loa seismograph; time and intensity not availablef?-felt<3.06[not sure whether s-p horizontal has the same characteristics as the Neumann-LaBarre instrument after Nov./1946]; Hon film time is 18:46, nomogram magnitude accepted; VL 494, p. 7; HTH, 11/5/1946shallow?; VL 494, p. 7VL VL 494, p. 7felt-e Hawaii island$ VL 494, p. 7; Hon film time is 7:04 hilo deep?Glenwood; felt-hnp VL 495, p. 6,NE rift; M-S magnitude accepted as preferred.N-L high?; VL 495, p. 6; Hon film time is 9:48w slope Mauna Loaf-felt (slight?)`e slope Mauna Loa; Warshauer notes: [an earthquake] at 12:04 a.m. today was also under Mauna Loa VL 503, p. 8; HTH, 1/27/1949Iearthquake swarm; VL 4 events (f), not separately listed in VL 508, p. 12Hearthquake swarm; 14 events (vf), not separately listed in VL 508, p. 12Gearthquake swarm; 17 events (t), not separately listed in VL 508, p. 12` VL 513, p. 6; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]Ifelt?; Kapapala ranch (11:15 am-time off by one hour?)-slight earthquakevf-felt (kona)+Kapapala ranch (11:45 am)-slight earthquake3 vf aftershocks between 10:12 and 18:32; times assumed; VL 513, p. 6; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]"Capt. Cook (Greenwell diary)-smallnot in VL 513; date and time taken from felt report; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]=felt-Kona to volcano; Capt. Cook (Greenwell diary)-big shakerKaoiki fault; felt- closer? or slight?; VL 504, p. 5VI; V (USE; S&C)w slope Mauna Loa; felt-Hilo, strongly at Puu Ulaula, Holualoa to; Kona seismograph broken; many sleepers awakened, some rushed out-of-doors; some objects thrown from shelves-Honaunau to Kealakekua VL 497, p. 3"e slope Mauna Loa; felt-hnp,, Hilo0Mauna Loa in VL; Warshauer notes: A feeble quake VL 497, p. 3; HTH, 8/19/1947KWarshauer notes: Another feeble [vf in] quake, probably of Mauna Loa originHonolulu data average of two readings; distance given from crude isoseismal map--assumes strong on Kona seismograph; VL 504, p. 5Mauna Loa in VL; felt-Kapapala IV (W&K); IIIRboth ml seismograph components dismantled; Mokuaweoweo; felt-Holualoa, Kealakekua,"closer? or moderate?; VL 504, p. 5 w slope Mauna Loa; felt-Holualoa V (W&K); IVZMokuaweoweo eruption ends sometime between 5/20 and 6/2, probably about 5/30; VL 504, p. 55NE rift; both components of ml seismograph dismantled&s slope Mauna Loa near Punaluu Kahawai3 mi ENE of Mokuaweoweo [location changed to Kaoiki at same distance to fit felt reports]; felt strongly-Kapapala, weakly-Hilo to hnp closer? or slight?; VL 505, p. 3w flank Mauna Loa near Kaunene VL 505, p. 3)se slope Mauna Loa bet Ainapo and Ohaikea$se slope Mauna Loa 7 mi NW of Pahalashoreline NW of Huehue ranch< SW rift; felt-Holualoa VL 505, p. 4 IV; V (W&K) VL 499, p. 3; HTH, 1/9/1948 [time differs from VL--same quake or a separate one, possibly kl cal deep, not recorded in VL 499?]e slope Mauna Loa; felt-hnp<3.27 not in VL 508Kaoiki fault 3-4 mi NE of Kapapala ranch; felt strongly-Kapapala to, weakly-volcano to Hilo, pahoehoe to Holualoa; Warshauer notes: "strong" earthquake disabled mlo seismograph [otherwise repeats info]BHonolulu data average of two readings; VL 505, p. 4; HTH, 9/2/1949+Kaoiki fault 3 mi w of Uwekahuna; felt-Hilo(coastline 5 mi s of Hookena; felt-s Kona VL 506, p. 3s end Mokuaweoweo; felt-PahalaVL 482, p. 2; not found in HTH lower SW rift"SW slope Mauna Loa; felt-hnp, HiloNE slope Mauna Loa; felt-hnp, Hilo; Warshauer notes: a moderate [slight in] earthquake was felt at 6:16 a.m. today, lasting several seconds in the Puueo section of Hilo. It was felt, not severely, in the volcano region and other sections of the island. VL 499, p. 3; HTH, 1/15/1948 III? (Cox) felt-OahuTCox, 1986; foreshock of 6/28/1948 quake? not recorded at Whitney vault; VL 499, p. 3 NW Hawaiioffshore?; VL 485, p. 3lower NW slope Mauna Kean end Mokuaweoweodeep focus, near Ookala*shallower?; VL 486, p. 3; not found in HTHMokuaweoweo; felt-hnpMauna Kea; felt-HiloMauna Kea; felt-hnp, Hilohilo?VI; VI (USE; S&C)Snewspaper depth used; shallower?, closer? or slight?; VL 506, p. 4; HTH, 11/25/1949inland from Kealakekua bay VL 507, p. 3felt-volcano, Hilo VL 507, p. 3; not found in HTH<3.36<3.59 VL 511, p. 4 near Hilo%w slope of Mauna Loa, near Kealakekuamag ml 3. 4-4.0; VL 511, p. 4 vf; s (kona)mag Kona 3.2-3.7; VL 511, p. 4.e slope Mauna Loa 3 mi e of Kulani; felt-Puueo8 mi SW of; felt- VL 512, p. 4 VL 512, p. 5Kaoiki fault near Ainapo3 mi n of Kilauea crater; Warshauer notes: another quake; larger aftershock [of the deep Kilauea quake on April 22], felt by many residents of Hilo=shallower?, closer? or moderate; VL 507, p. 4; HTH, 3/25/1950 VL 507, p. 4 VL 508, p. 12 VL 508, p. 12; not found in HTHHualalai; Warshauer notes: An earthquake originated deep under Hualalai at 11:33 a.m. Saturday. The temblor was felt in the volcano district.Bcloser to Kilauea? and/or shallower?; VL 500, p. 4; HTH, 5/24/1948 seis dism.Cox; (W&K, p. 72)VI; VI (Cox; S&C)Oahu; felt-Hilo; Warshauer notes: felt in Hilo and recorded at HVO; 125-150 miles away, possibly in Molokai vicinity; considerable damage in Honolulu, including houses shifted on foundations, pipes broken and lots of broken plaster and window panes.Ae slope Mauna Loa; felt generally Hawaii island, slightly on Oahu'deeper?; VL 488, p. 3; not found in HTH aftershock?aftershock?; felt-5 mi SW of Puu Ulaula; felt-hnp, Hilo, s Kona VL 488, p. 3Kona<4.45near Pahala; felt-hnp, Pahala VL 501, p. 3Mauna Loa in VL; felt-hnp, HiloNE rift; felt hnp, Hiloslight?; VL 501, p. 3Mauna Loa in VL; felt-hnp#closer? or slight?; VL 503, p. 7, 8Neqs; 15 events out of 16 recorded at mlo seismograph on this day; VL 503, p. 7 ml swr deepabove wood valley; Warshauer notes: Hilo this morning was rocked by a heavy earthquake at 6:40, dismantled the e-w component of the Hilo seismograph; the temblor was felt in all parts of the island, particularly in Kona, Kau, Puna and Hilo.xcloser? normal Kaoiki depth?; VL 503, p. 8; HTH, 1/15; 16/1949 [ time given as 12:40 a.m.-newspaper time fits Hon time]ocean w of Kohalacloser?; VL 503, p. 8e slope Mauna Loa; felt-Kapapala; Warshauer notes: An earthquake accompanied by a sharp, explosive like noise was felt at Kapapala ranch at 3:33 a.m. September 18. VL 493, p. 3; HTH, 10/6/1946BNE slope Mauna Loa 1 mi e of Mauna Loa seismograph; felt-hnp, Hilo VL 494, p. 7Deep; 10 mi SW of; Warshauer notes: A moderate earthquake at 2:28 p.m. Thursday originated at Kohala or the NW part of Mauna Kea; described as "very distinct" at Honokaa; also felt at Kona and Kohala and very slightly at the volcano. VL 503, p. 8; HTH, 1/21/1949NE slope Mauna Loa; felt-hnp; Warshauer notes: the strongest quake we've had in quite awhile rocked the volcano and Kau regions; felt duration several sec, no damage; felt in Honolulu [unlikely?]" VL 493, p. 3; HTH, 9/5; 10/6/1946looked for, not found on Hon film record [blasting? sequence seen on film record about an hour before time given]; HSB, 2/12/1942NW coast of Hualalai; felt-Kona, Maui; Warshauer notes: An earthquake October 10 was widely felt on Maui and scattered points on this island originated deep under the Hualalai coast VL 494, p. 7; HTH, 11/5/1946e slope Mauna Loa; Warshauer notes: the earthquake of October 29, which rocked most of the eastern half of Hawaii, originated deep under the east slope of Mauna Loa.strong? or deep?; VL 475, p. 2; HTH, 2/21; 22/1942; HSB, 2/21/1942; time given as "shortly after 9 a.m. today" [Hawaii war time one hour later]CHonolulu data average of two readings; VL 503, p. 8; HTH, 2/26/1949Ue slope Mauna Loa; preferred magnitude calculated as average of Honolulu and nomogramN-L low?; VL 503, p. 8*Mokuaweoweo eruption ends; VL 503, p. 3, 7 "Mauna Loa" inefelt-Kapapala; Warshauer notes: the samall quake at 1:20 p.m. Saturday occurred in Mokuaweoweo crater VL 503, p. 8; HTH, 2/28/1949 V (USE); IVWarshauer notes: A series of tremors recorded by HVO were punctuated sharply by a heavy earthquake at 3:09 a.m. and another at 9 a.m. yesterday. The first one was sufficient intensity to dismantle the instrument and the second was strong enough to be felt.not separately listed in VL 508; HTH, 6/6/1950Warshauer notes: see aboveOMokuaweoweo eruption resumes sometime between 3/28 and 4/1/1949; VL 504, p. 1-2 VL 504, p. 5! VL 503, p. 8; HTH, 2/27; 28/1949 near Mokuaweoweo; E-W dismantled>5.67SW rift; felt widely; stopped clocks in s Kona; Warshauer notes: deep-seated earthquake felt generally in Hilo; dismantled seismic equipment; no damage4shallower?, or slight?; VL 495, p. 6; HTH, 3/20/1947 Keahole pt)N-L high?; VL 495, p. 6; not found in HTH<3.91"NE slope Mauna Loa; felt-hnp, Hilo3Honolulu data average of two readings; VL 495, p. 6 VL 496, p. 3e slope Mauna Loa; felt-hnp,, Hilo; Warshauer notes: The quake last Thursday, recorded about 2:30 p.m., was felt all the way from Hilo to VL 496, p. 3; HTH, 6/30/19476Mauna Loa northeast rift eruption begins; VL 476, p. 3near source of flank eruptionnot rec; vf?-ml/11 events 5/1/42; no location or distance givenFlava flows bombed on afternoon of 5/1 and morning of 5/2; VL 476, p. 533 events 14:41-21:43; no location or distance givens slope ml near Kapapala; felt strongly-Pahala; also hnp, Hookena; both comp. ml seismograph dismantled; Warshauer notes: sharp earthquake under Mauna Loa was also recorded on the Hilo seismograph; The quake was felt particularly strongly at KapapalaOHonolulu data average of 2 readings; N-L mag high; VL 498, p. 3; HTH, 12/2/19477e slope Mauna Loa; Warshauer notes: a severe earthquake VL 498, p. 3; HTH, 12/2/1947e slope Mauna Loa near Ainapo; felt-hnp, Hilo,; Warshauer notes: The third earthquake to originate under Mauna Loa in five days awakened Big Island residents at 6:38 a.m. today. It was particularly noticeable in the Puueo section of Hilo. VL 498, p. 3; HTH, 12/24/1947 VL 499, p. 3e slope Mauna Loa; felt-hnp; Warshauer notes: Seismographs at Hawaii National Park registered a fairly deep earthquake southwest of Kilauea volcano at 4:30 p.m. Thursday. The quake was felt in the volcano district and parts of Hilo.felt sharply-PahalaVI; VI (USE); V (W&K; S&C)efelt widely southern half Hawaii island; stone walls thrown down SW of Pahala; dismantled instruments[on p. 3 time given as 5:10 April 8-probably the same quake given a daylight saving time correction and a misprint of the month]; near Mokuaweoweo; felt generally east Hawaii island!VL 480, p. 3, 4; not found in HTHnear; felt widely Hawaii islandcloser?; Calc mag accepted on the basis that there 5/have been hi< gh background noise on the Honolulu seismogram preventing the earthquake from being seen; VL 480, p. 4; not found in HTHnear Ainapo; felt-hnp, Kapapala$e slope Mauna Kea; felt-hnp, Hakalau2closer? or feeble?; VL 482, p. 2; not found in HTH SW Mauna Loa)NE rift near Puu Ulaula; felt-hnp, PahalaSW flank Mauna LoaSW rift; felt-Naalehu, Pahala#e flank Mauna Loa; felt-hnp, Pahalahigh on NE riftfelt from Hilo to Kona; off coast north of Hualalai; Warshauer notes: An earthquake, originating either under Hualalai or Mauna Kea, was recorded by HVO at 3:46 p.m. Tuesday. The quake was felt over a wide area, including Hilo and.closer? or feeble?; newspaper location (approx 65 km from HVO gives better fit than location (95 km from HVO); VL 499, p. 3; HTH, 3/10/1948!e slope Mauna Loa; felt-hnp, Hilo VL 500, p. 4Mauna Loa in VL; felt hnpnfelt-hnp, Hilo; Warshauer notes: The earthquake that shook the volcano area yesterday about noon was "slight". VL 507, p. 3; HTH, 2/14/1950 SW of Hilo5000 ft east slope Mauna Loa; felt widely-Hawaii island; quake awakened many on Big island; particularly strong at Naalehu, Hilo and hnp; described as "moderate to strong", dismantled seismographs at Mauna Loa, Hilo and HVO (one component)MVL time agrees with Hon film record, newspaper time in error; HTH, 12/27/1944e edge Mokuaweoweodo; Warshauer notes: the earthquake [at 4 a.m. HST] was followed by two smaller quakes at 6 and 7 a.m. [daylight saving times approximate?]do; VL gives no separate times and a distance of 58 miles (92.8 km); newspaper time and distance accepted; Warshauer notes: felt in Hilo; felt at Waimea and perhaps other places in north Hawaii!VL 474, p. 3; HTH, 11/15; 21/194152 mi from HVO; Hilo dismantled; Warshauer notes: The strongest earthquake [in a series] was reported at 6:58 a.m. today. [doesn't say whether felt!]; felt island-wide by a few and by many in Kohala, north Kona and Hamakuado; dismantled seismographs; Warshauer notes: the earthquake [at 4 a.m. HST] was followed by two smaller quakes at 6 and 7 a.m. [daylight saving times approximate?]'deeper?; VL 486, p. 3; not found in HTHwood valley; doVL 486, p. 3; not found in HTH"wood valley; felt-Kapapala, PahalaOhaikea; felt-hnpOhaikea9SW rift; felt widely Hawaii island; stopped clocks s Kona5VL 487, p. 6; VL date wrong-Honolulu record shows 3/5$SW rift near Puu Keokeo; felt-s Konase of Mauna Kea; felt-e half Hawaii island; Warshauer notes: A heavy earthquake, felt all the way from Hilo to, rocked the southern end of the Big Island at 8:22 a.m. today. Finch said they were deep under Mauna Loa. VL 501, p. 3; HTH, 9/13/1948N-L low?; VL 501, p. 3 VL 502, p. 372 events on mlo seismograph, an increase over the preceding months [assumed to be Mauna Loa northeast rift seismicity precursory to the eruption that began Jan. 6, 1949]Q61 events, out of 72 recorded during December, assumed to be t (ml); VL 503, p. 7 closer? or feeble?; VL 491, p. 5 ml mok deep?'deep under Mauna Loa in VL; felt widely VL 492, p. 7e slope Mauna Loa near Ainapofelt-KauNE slope Mauna Loa VL 493, p. 3NE slope Mauna Loa; felt-hnpMauna Loa deep innotrace"NE slope Mauna Loa; felt-hnp, Kona~[not sure whether s-p horizontal has the same characteristics as the Neumann-LaBarre instrument after Nov./1946]; VL 493, p. 3-16 mi from HVO; felt-hnp; broke dishes at KMC<8 mi SW of Hilo; felt-Hilo, hnp; Hilo seismograph dismantled:farther away? or moderate?; VL 475, p. 2; not found in HTH8 mi SW of HiloA subsurface splitting progressed up the northeast rift, the foci of the earthquakes became progressively shallower; There was a progressive movement of epicenters up the northeast rift after Feb. 8 [no tabulation in VL 475 to support these statements]kPrecursory sequence to Mauna Loa northeast rift eruption beginning on 4/26/1942; VL 475, p. 1; VL 476, p. 2felt widely; Warshauer notes: Hilo-dishes and bottles fell, plaster cracked, parked cars shook from 2 strong quakes; dismantled seismographs, slides in Kilauea crater; bottles broken at Volcano HouseGdo; felt widely; another and stronger shock occurred at about 9:14 a.m.~VL 475, p. 2; HTH, 2/21; 22/1942; HSB, 2/21/1942; time given as "shortly after 9 a.m. today" [Hawaii war time one hour later]aNE rift; felt generally-e Hawaii island; mag calculated assuming "slight" fits felt report better VL 495, p. 6; not found in HTH ml mok deep m (slight?)deep under Mauna Loa; felt widely-Hawaii island; dismantled MLO seismometer; Warshauer notes: strong quake under Mauna Loa east slope dismantled seismographs at HVO; shallower than others recently; especially strong at and Kapapala; felt in HiloNE rift 7000 ft; felt strongly-Hilo to Naalehu; Warshauer notes: the large [quake] at 1:55 emanated from the northeast rift at an altitude of 7,000 feet; dismantled instruments at HVO and Hilo; felt from Naalehu to Hilo, perhaps widerno location or distance given15 mi from HVO16 mi from HVOn end of Mokuaweoweos end of MokuaweoweoSW of MokuaweoweoSW rift; felt-Konas end of Mokuaweoweo; felt-Kona do; felt-KonaVL 472, p. 3-4felt-Hilo; Hilo-3_VL 472, p. 4; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]<e flank Mauna Loa halfway bet Mokuaweoweo and Kilauea craterNE rift 1 mi NE of Puu UlaulaNE rift 19 or 20 mi from HiloNE rift near Hilo#Puu waawaa ranch-4, shook buildingsnot separately reported in VL 473, apparently weaker than very feeble; date and time from felt report; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]xjust n of Akahipuu on w slope of Hualalai; felt-Kona; Puu waawaa ranch-6, felt by everyone in Kona, shook buildings hardstrong? must be deep to fit felt reports and Hon magnitudes; VL 475, p. 2; HTH, 3/21/1942; time given as "12:04 a.m. today" [daylight saving time in effect-see VL 476, p. 2, 1st paragraph]SW rift; felt-s KonaNE rift; felt-hnp, Hilo6onset of continuous tremor that lasted for 270 minutesMauna Loa in VL; felt locally and at Naalehu; Warshauer notes: strong at Naalehu and Kapapala, "much stronger" than the [Kilauea] quake at 9:52 a.m. Aug. 18 deep below Humuula; felt widely-Hawaii island, few on Maui; Warshauer notes: Big Island, from to Hilo and as far west as Pahala in Kau, shook for 3.5 min early Sunday; no damage; slow swaying, intense for 20 sec, acc by rumblingMHonolulu data average of 2 readings; shallower?; VL 497, p. 3; HTH, 9/22/1947-near Kapapala; felt generally-e Hawaii island VL 498, p. 3 felt-NaalehuGMokuaweoweo; felt widely-e half Hawaii island; clocks stopped in s Kona VL 498, p. 3; not found in HTH e slope Mauna Loa; felt-KapapalaDMokuaweoweo; felt-e half Hawaii island; Warshauer notes: widely felt5SW rift near source of 1868 flow; felt-Hilo to s Kona'closer?; VL 478, p. 4; not found in HTH felt-s KonaNE rift; felt-hnp felt-KukaiauMauna Loa in VL; felt-Hilobet Mauna Loa and Mauna Kea(e slope Mauna Loa; felt-Kapapala to HiloVL 479, p. 5; not found in HTHisoseismal map in W&K; strong?; Eissler and Kanamori estimate 35 km depth, not accepted by W&K or us; VL 473 [includes damage report; dismantled all seismographs, low mag instrument not operating], p. 3; HTH, Sept. 25, 1941; extensive felt reports in HVO,!do; felt sharply-Kapapala, Pahala*near Ainapo; felt sharply-Kapapala, Pahala62 mi NE of Kapapala ranch house; felt-Kapapala, Pahala74 mi NNW of Kapapala ranch house; felt-Kapapala, Pahala+NE rift near Puu Ulaula; felt-volcano, Hilo!NE slope Mauna Loa 16 mi from HVOn slope of Mauna Keal16 mi from HVO; felt-hnp; Warshauer notes: 16.3 miles [this distance used]; felt by a few persons at KilaueaVL 474, p. 3; HTH, 11/21/1941Warshauer notes: see note for October 25; beginning of Mauna Kea earthquake swarm [VL 474 dates the beginning of the swarm a day later-see next entry]HTH, 11/24/1941f-felt; s (ml) 3.99; 4.61 thick linee edge Mokuaweoweo; felt widely Hawaii island, plainly on Oahu; objects off shelves Pepeekeo and, stone< fences down in Hilea; dismantled seismographs; Warshauer notes: sharp quake awakened people; dur few secs, no damage in Hilo; pronounced in hnpVL 486, p. 3; HTH, 12/27/1944Warshauer notes: A moderate earthquake shook Honolulu and the island of Oahu at 5:15 a.m. [hawaii military time] today, but apparently caused no damage. Windows rattled and residents reported the tremor seemed to roll along the ground.Ido; VL gives no separate times; Warshauer notes: newspaper time accepted VL 474, p. 3; HTH, 11/15/1941do; VL gives no separate times and a distance of 58 miles (92.8 km); newspaper time and distance accepted; Warshauer notes: felt at Waimea and perhaps other places in north Hawaii|feeble-slight?; shallower?; VL 468, p. 12; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]NE rift near Pukauahi maui east off scalefelt generally hi chain, particularly on Oahu, Maui, Hawaii; Warshauer notes: At least 2 sharp earthquakes felt in Honolulu; first lasted several sec, windows rattled, houses creaked; also Hilo, Maui, Molokai (articles off shelves); no damage isoseismal map in W&K; VL 468, p. 12 [detailed felt report given]; HSB; HTH; HA, 6/17/1940; additional felt reports in HVO, unpub maui east?!Wailuku (Maui)-3, rattled windowsaftershock of 6/16/40 earthquake; Warshauer notes: slight shock, dur 2 sec; second slight quake; Kealakekua-very slight and very short; Hookena-2, dur 5 sec, sort of bubbling motion; (Maui)-4, shook windowsuVL 468, p. 12; HSB; HTH, 6/17/1940; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards] aftershock of 6/16/40 earthquake V (USE; S&C)2 events near Waimea4 events near Waimeatime assumed; VL 474, p. 352 mi from HVO; felt widelyslight?; VL 474, p. 3 VL 489, p. 47e slope Mauna Loa above Kapapala; felt SW Hawaii islanddHonolulu records quake at 20:16; time 10:46 (Daylight savings time?); VL 489, p. 4; not found in HTH'NE rift n of Puu Ulaula; felt-hnp, HiloV (USE)6bet Mauna Loa and Mauna Kea; felt widely Hawaii island VL 489, p. 4; not found in HTH NE rift in ocean n of Mauna Kea VL 490, p. 3SW of Pahala; felt-Kau, s KonaFe flank of Mauna Loa; felt-hnp, Pahala, Hilo; e-w component dismantledYdeeper?, farther away? or moderate?; Honolulu mag too high for felt report?; VL 490, p. 3 VL 491, p. 5)near coast below Pahala; felt-Kau, s KonaNE rift; felt-hnp, Pahala, Hilomiddle SW riftfelt-n Kona, s Kohala/near; felt generally Hawaii island, few on Mauimoderate?; VL 474, p. 43 events near Waimea52 mi from HVO felt-Konahilea?V-VIWarshauer notes: The spell of earthquakes that started 3:50 p.m. November 12, 1941, with epicenter near Puu Holoholoku, southwest of Waimea, coming to an end; a total of 275 shakes was recorded on the Mauna Loa seismograph; good records at Haleakala near WaimeaV (W&K)_VL 469, p. 5; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards] aftershock of 7/15/40 earthquake'offshore near Kawaihae bay; felt-KohalaPahala toward seacoastmok eruption end 8/14/40 14:32%Mauna Loa eruption ends; VL 469, p. 4IV (S&C); V (USE)felt generally Hawaii islandKW&K report M 5.5-not derived from felt area; VL 469, p. 5; not found in HTHWarshauer notes: Several earthquake temblors, none of which was prolonged, were felt in downtown Honolulu and other areas of the city shortly after 11 [assume war time] this morningqVL 471, p. 4; not found in HTH; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]GWarshauer notes: At 9:15 and 9:29 two very feeble shocks were recorded.:[Times are Hawaii war time one hour later]; HTH, 2/22/1942Warshauer notes: Then, at 9:37 there was another shake, strong enough to dismantle the east-west component of the seismograph at the Volcano House.H[Times are Hawaii war time one hour later]; VL 475, p. 2; HTH, 2/22/19429Warshauer notes: There was another feeble shake at 10:17._VL 472, p. 3; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards] felt-volcano!e flank Mauna Loa 8.5 mi n of HVORNE rift midway between Hilo and Mokuaweoweo; felt-Hilo; Hilo-felt, windows rattledfelt all Kau, Hilo, all island, strong at hnp; Warshauer notes: v hard in volcano and all Hilo, windows and doors rattled; dur >30 sec; slight in Kohala and Kona; hnp-6; Paauhau-3, quite sharp, dur 5 sec; Hilo-slight, felt by mostzshallower?; VL 464, p. 6; HTH, 6/1/1939; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]?Haleakala crater-felt as sharp jolt, dur 1 sec, vertical motionnot separately reported in VL 464, but included in table; date and time from felt report; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]NE rift 12 mi SW of HiloNE rift 16 mi NE of Mokuaweoweo kona deepufelt-Holualoa, Hookena; Hookena-2; Kau and Kona-rather sharp and short, single shake with vertical motion; Holualoa-5qVL 465, p. 5; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]; not found in HTHNE rift 5 mi SW of Puu UlaulaNE Mokuaweoweo,Eruption in Mokuaweoweo begins, VL 476, p. 7upper NE rift; felt-hnp, HiloDMokuaweoweo eruption over, down rift splitting follows; VL 476, p. 2deeper?; VL 476, p. 7NE rift above Puu Ulaula36 events 11:59-13:57; no location or distance given.record confused; no location or distance given35 events 16:30-21:17; no location or dis      !"#$%&'()*+,-./0123456789:;<=>?@ABCEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~tance given light trace0felt strongly-Puu Ulaula; instruments dismantled(strong?; VL 476, p. 7; not found in HTH 38 events 22:01-23:05; no location or distance given,mner eruption begins 1.5 mi below Puu Ulaulafelt at source@Mauna Loa northeast rift eruption over in forenoon; VL 476, p. 7e slope Mauna Loain ocean n of Kohala; felt strongly-Kohala; Warshauer notes: An earthquake between slight and moderate was recorded at 3:59 a.m. [daylight saving time in effect]; dismantled seismograph, felt strongly in district, also in Hilo &moderate?; VL 477, p. 3; HTH, 7/9/1942NW of Mauna KeaVL 477, p. 3; not found in HTH felt-KohalaVL 478, p. 3; not found in HTHSW slope Mauna LoaVII; VII (S&C)#do; time and distance (12 mi) givense flank ml, 4 mi n of Kapapala ranch house; felt generally Hawaii island, by some in Honolulu; Warshauer notes: felt most strongly Pahala and Kapapala, dishes fell, bottles broken; plaster cracked in Hilo; strong at Naalehu, Kohala, Puna, Kona; no damageCdo. time (11:33) and distance (12 mi) given [doesn't agree with VL]hnot separately reported in VL 467, but included in table; date and time from felt report; HTH, 1/25/1940%Hualalai; do; time and distance givennot separately reported in VL 467, but included in table; date and time from felt report; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]n slope Mauna Kea near; felt generally Hawaii island; this and subsequent quakes precursory to Mauna Kea swarm starting Nov. 13; Warshauer notes: felt at Hawaii National Park, Hilo, and Kohala' slight?; VL 474, p. 3; HTH, 10/30/19410location not given; beginning in preceding quake58 mi from HVO52 mi from HVO; felt-Waimea; Warshauer notes: felt at Waimea; felt in Waimea, Kohala, north Kona, Hamakua and [probably] at KilaueaHHon magnitude average of two readings; VL 474, p. 3; HTH, 11/15; 21/1941do; VL gives no separate times and a generalized distance of 58 miles (92.8 km); newspaper time and distance accepted; Warshauer notes: felt at Waimea and perhaps other places in north HawaiiWoff coast near; felt-Paauhau; Paauhau-2, single quick motion, similar to previous quake s-m (f-s?)nomo felt-Hookena, Kealakekua, hnp; Kealakekua-slight tremor followed by shake that dwindled away, dur 5 sec; Hookena-4, slight tremble followed by sharp shake, buildings shook, objects on shelves moved/Kealakekua-2, one slight shake, rattled windowsnot separately reported in VL 462, but included in table; time and date from newspaper report; HVO, unpub [intensities-arabic nume< rals-in remarks column refer to HVO postcards] s (kona?)felt-Kona,; Hookena-5, sharp perpendicular shock followed by gentle side motion for 5-6 sec, buildings creak, hanging objects move, water tanks slopped over; Kealakekua-telephone central reports strong shockbetter fit if distance referenced to Kona, not Whitney; shallower?; VL 462, p. 5; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]2felt-Puu waawaa; Holualoa-6, buildings well shaken_VL 462, p. 5; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]f-felt (kona?)<3.63felt-Kona; Kealakekua-5, one slight continuous shake, dur 6-10 sec, rattled windows a bit; Hookena-2, building creaked, dur 2 secNE rift near Puu Kulua t; f (ml)NE rift m (feeble?)2VL 474, p. 3; HTH, 11/15; 21/1941; not found in HAdo.; felt-Waimea; VL gives no separate times and a distance of 58 miles (92.8 km); newspaper time and distance accepted; Warshauer notes: felt in Hilo; felt at Waimea and perhaps other places in north Hawaii~52 mi from HVO; felt generally north Hawaii island; Warshauer notes: felt in northern portion of island and by several in Hilonear Waimea 52 mi from HVO; newspaper time accepted; Warshauer notes: felt in Hilo; felt at Waimea and perhaps other places in north Hawaiido; VL gives no location; newspaper distance accepted; Warshauer notes: felt in Hilo; felt at Waimea and perhaps other places in north Hawaiinear Waimea 52 mi from HVO; felt generally Hawaii island; slight damage; Warshauer notes: felt by many in all parts of Hawaii; no damage reported; not felt on Oahu5 events near Waimeanear, slight damage; felt strongly Hawaii island, less on Maui; Warshauer notes: Dishes and bottles were broken at early this morning by an earthquake also felt strongly in Hilo; approximate time of the quake was 2:53 a.m.VL 474, p. 3; HTH, 11/18/1941W&K report M 5.5-not derived from felt area; VL 469, p. 5; HTH, 7/16/1940; HA, 7/18/1940; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]aftershock of 7/15/40 earthquake; felt-Paauhau, Maui (Ulupalakua); Ulupalakua (Maui)-extremely slight, horizontal e-w motion, double shake with half sec separation; Paauhau-2, single vibration, brief and very weakfelt generally Hawaii island; all seismographs on island dismantled; Warshauer notes: Felt in all districts except Kohala; strong like last week; Kona, Hilo and volcano stronger than last week; Kau strong; duration 30 sec; many aftershocks#NE rift bet Pukauahi and Puu UlaulaVL 469, p. 6; not found in HTHNE rift 5 mi SW of Hilofelt-Pahala, hnpt; f-ml,felt-Paauhau; Paauhau-2, one brief vibration_VL 470, p. 4; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards] felt-Hookena315 mi n of Papaaloa near earthquakes of summer 1940VL 471, p. 4; not found in HTH|felt-Kailua, Kealakekua; Kealakekua-5, one sharp shake, no preliminary tremors and no aftershocks; Hookena-2, building shook_VL 471, p. 4; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]NE rift 3.5 mi NE of Puu Kuluafelt-Pahala; Pahala-4NE rift 15 mi from Hilo near PunaluuHilo-3felt strongly Puu waawaa; also, Kailua, Hookena, Hilo; Puu waa waa ranch-6, buildings shook quite hard, some objects fell off shelves; Hookena-2, building shaken; Waimea-rattled windows, dur 15 secrattenuated at Whitney?; VL 464, p. 6; HTH, 5/30/1939; HA, 5/30/1939; additional felt reports in bib and HVO, unpubffelt-Hilo, hnp; Warshauer notes: generally felt throughout volcano and by a few persons in Hilo; hnp-6nVL 464, p. 6; HTH, 6/1/1939; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]oWarshauer notes: Mrs. L.S. Aungst [reported that] several sharp shocks have been felt during the past few weeks<shallow? Kona quakes not reported in VL 452; HTH, 10/25/1937felt-hnp, Hilo; Warshauer notes: shock of Kilauea origin felt strongly in Hilo and volcano districts, where it woke sound sleepers; no damage reported; felt very strongly at Waesche's home and at a summer home in volcano; slight [feeble in VL] at HVOVL 451, p. 8; HTH, 10/18/1937'Mauna Loa NE rift about 15 mi from Hiloefelt-Kohala,; Holualoa-5 to 6, buildings shaken, most severe quake we have had in over a year or more_VL 454, p. 4; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]12 mi NE of HVO.lat misprint in VL-should be 19; VL 455, p. 64 mi NE of Puu Ulaulamaui>6.2GUTEgute VIII; VIII (W&K; Cox); VII (S&C)Kohala districtRfelt strongly-Puu waawaa; Holualoa-6, a good strong quake giving everyone a fright_VL 473, p. 2; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]1 mi n of Kiipu cone\NE rift 20 mi from Hilo; felt-Hilo; Hilo-2, 2 short jolts, felt by one on Hilo side of riverNE rift 4-5 mi from Puu Ulaula2Kaoiki fault 3.3 mi w of 3913 BM on Kilauea SW rim1.2 mi w of Mokuaweoweo2e flank Mauna Loa 5.3 mi NW of Uwekahuna; felt-hnpNE rift 4-5 mi NE of Puu UlaulaNE rift 5 mi NE of Puu Ulaula1.2 mi NE of MokuaweoweoNE rift 8 mi NE of Puu UlaulaNE rift Pukauahi crater; vertical Jaggar seismograph moved to new HVO building; low-magnification seismograph taken out of service-to be reinstalled laterVL 473, p. 3; VL 475, p. 1 near Hilea<2.3 mi NW from Hilo center; felt-Hilo; Hilo-2, 2 sharp jolts_VL 473, p. 3; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]DKealakekua bay; felt-Kona; Kealakekua-very slight quake, dur 1-2 sec21 mi n of Hilo!Kaoiki pali 2.6 mi w of Uwekahuna-pali NW of Kaoiki fault 3.9 mi w of Uwekahuna Warshauer notes: series of earthquakes 8:05 -8:35 p.m. felt by Kohala residents, also in Kona, acc by rumbling; quakes were peculiar, unlike most quakes felt in Hawaii; preferred magnitude calculated as nomogram mag multiplied by number of eventsBassume 10 vf (Kona) events;not reported in VL 466; HTH, 12/14/1939felt strongly-KapapalaWarshauer notes: A sharp increase in seismic activity for the week ending Jan. 21. HVO seismograph registered 31 events (8 vf, 23 t), MLO seismograph registered more than 60 events; VL 467, p. 9; HTH, 1/25/1940#do; time and distance (27 mi) given#do; time and distance (18 mi) givenWarshauer notes: A sharp increase in seismic activity for the week ending Jan. 21. HVO seismograph registered 31 events (8 vf, 23 t), MLO seismograph registered more than 60 events; preferred mag calculated as nomogram mag multiplied by number of eventseqs; assume 23 events (t)NE rift 6.5 mi NE of Puu Ulaula,NE slope Mauna Loa 16 mi from HVO; felt-Hilo0felt-Laupahoehoe; Paauhau-2, single quick motion`VL 468, p. 12; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]BKapapala ranch-one of three quakes felt-others at 1:30 and 2:15 PM!NE rift 3 mi NE of Pohaku Hanalein slope Mauna LoaNE rift 6 mi NE of Puu UlaulaSW end of Mokuaweoweo Mauna Kea4 mi SW of Hilo seismographNE rift near ml seismograph(Mauna Loa eruption begins in Mokuaweoweo%Mauna Loa summit crater [Mokuaweoweo]not separately reported in VL 461, but included in table; time and date from newspaper report; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]felt strongly-Kapapala, PahalaVL 462, p. 3; not found in HTHfelt-Hilo, Hakalau, Puu waawaa; Warshauer notes: sharp quake, felt all Kona district, quick and sharp at Holualoa, not felt in Hilo wrong!] or volcano; Hakalau-slight quake felt; Holualoa-4, building shaken; Hilo-felt20 mi n of Upolu pt; VL 444, p. 5; HTH, 1/25/1937; [newspaper location on west side of Mauna Loa or Hualalai gives better fit to felt reports than VL location]; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]5felt-Puu waawaa; Holualoa-3, building slightly shaken_VL 444, p. 5; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]felt-Hookena, Kamuela; Warshauer notes: The entire island was ro< cked by an earthquake at 7:34 a.m. Sunday; estimated to originate in Hualalai direction. ; Hookena-4 (7:02 am-same event?), building creaked, hanging objects movedGml mag 2.3-2.9 assuming epicenter close to ml seismometer; VL 462, p. 7V (S&C)\aftershock of 6/16/40 earthquake; felt-Hawaii, Maui, Oahu; Warshauer notes: a moderate quakeHonolulu data average of two readings; nomogram agrees only if earthquake is "feeble"; error in VL?; VL 468, p. 12; HSB; HTH, 6/17/1940V (S&C); III (hamakua)aftershock of 6/16/40 quake; felt-Hawaii, Maui, Oahu; Warshauer notes: another aftershock bet slight and moderate; Hakalau-moderate; Kealakekua-v slight shake of 2 sec dur, felt by few; Paauhau-3, 2 sec med vib, 2 lighter vibs; Wailuku-3, shook windowspVL 468, p. 12; HTH, 6/17/1940; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards] mauna kea os40 mi NE of Hilooffshore 12 mi NE of Ookalaforeshock of 7/15/40 earthquakemainshock: felt-all islands ex Kauai; Warshauer notes: strong at Kohala, lasting for 30 sec; slight in Hilo, felt by many; Paauhau-3, single brief very noticeable vibration; Ulupalakua (Maui)-light shock, dur 20 sec, visible bouncing of bed mattressesVL 463, p. 3; HTH, 3/23/1939; additional felt report in HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]NE rift near Puu UlaulaNE rift 13 mi from Hilooahu?felt-Honolulu; no damage lanai se?<3.77<3.82+felt-Oahu; no damage; preferred mag assumedDCox, 1986; foreshock of 5/29/39 quake?-not recorded at Whitney vaultHualalai; felt-volcano, Hilo, Kamuela, Puu waawaa (strong); Warshauer notes: felt sharply throughout island, more in Waimea and Kohala; v strong at Waikii; additional felt reports in HVO, unpubisoseismal map in W&K; Cox, 1986; Honolulu records suggest this quake has a different source than 5/24/39 kl cal deep; mag agreement ok for Kaoiki quake at depth given; VL 464, p. 6; HTH, 5/23; 24/1939; additional felt reports in bib and HVO, unpubWarshauer notes: 18 tremors, including 4 or 5 very feeble aftershocks recorded between 2:14 p.m. May 23 and 8 a.m. May 24; preferred magnitude calculated as nomogram magnitude multiplied by number of eventsk1 events (assume vf) unaccounted for in VL 464; aftershock sequence not mentioned in VL 464; HTH, 5/24/1939Hualalai; felt-Kona; Hookena-3, short/sharp, dur 2 sec, building creaked; Kealakekua-2 shocks felt, threw n-s needle off seismograph17 events (assume t) from total mentioned in newspaper minus the vf event above; aftershock sequence not mentioned in VL 464; HTH, 5/24/1939HualalaiNE rift 5 mi from MokuaweoweoSW rift near 1907 source coneslanai sefelt widely-Oahu, Maui; 20-30 mi deep, 90 mi s. of Lanai; Warshauer notes: felt sharply throughout Oahu, not felt on Hawaii; 150 mi from Honolulu, duration 10 sec (felt), 5 min (instr.); recorded at HVO; felt on Oahu, Maui and Hawaii ml SW rift near 1919 source cone t; vf (hilo)dismantled Kona! seismographiVL 428; HTH, 10/1/1935; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]location uncertain; prob Mauna Loa as preceding quake; felt slightly NE Hawaii island; Warshauer notes: felt Hilo, not volcano; hilo-2; puu waawaa ranch (00:15)-felt moderately, dur 15 sec; hookena-4, building creaked, hanging objects movedMassociated with preceding two quakes; Warshauer notes: felt Hilo, not volcanoVL 428; HTH, 10/1/1935felt-HVO, northeast Hawaii island; Warshauer notes: felt Hilo, volcano, Kau, Kona and; Holualoa-rather strong, several other light ones reported by neighbors; Hilo-6, buildings shookushallower?; VL 428; HTH, 10/1/1935; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]<4.63felt throughout the Hawaiian chain; Warshauer notes: a quake, duration 90 sec, felt in every section of the Big island, also on Maui, Oahu and Kauai; channel between Maui and Kohala; maximum damage (broken dishes and rearranged furniture) in both placesmags agree if amplitude referenced to distance from Kona seismometer; VL 465, p. 6; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]felt-Mauna Loafelt sharply-mner rest houseNE rift 10 mi SW of HiloNE rift 4 mi NE of Mokuaweoweo'NE rift 5 mi from center of Mokuaweoweosea floor 23 mi w of Hualalai vf?-felt Warshauer notes: distinct but light quake; peculiar light quakes in Kona and Kohala continued last night; felt nightly in the Kona district for the past week; doors and windows rattle, acc by a rumbling noise as thunder; no real earth movement feltinot separately reported in VL 466, but included in table; date and time from felt report; HTH, 12/15/1939 vf (kona)?felt-Hilo, Kona, hnp; Warshauer notes: rocked entire island; double shock in Hilo and volcano, both prolonged; mod strong, dur 30 sec, waking many; strong at Honokaa, slight at Kohala and Puu waawaa; prolonged at Kona; HVO seismometers dismantledBVL 457, p. 6; HTH, 3/7/1938; additional felt reports in HVO, unpubxMauna Loa eruption begins, from north bay of Mokuaweoweo to Red Hill, 4 miles down Mauna Loa northeast rift zone; VL 429do; NE edge of Mokuaweoweodo; 6 mi w of Puu Ulaulaml ner?VL 430, p. 2; VL 431, p. 319.4 mi from HVO18.9 mi from HVO20.2 mi from HVO31.9 mi from HVO\Hualalai; windows rattled at Hookena; Hookena-not felt but building vibrated for about 2 sec_VL 457, p. 6; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]no record at Hilo or Kona felt-Kapapala-Hookena-2, very distinct vibration, dur 5 sec_VL 458, p. 4; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]_VL 459, p. 4; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]Zfelt strongly-Kapapala; Kapapala ranch-one of three quakes felt-others at 1:45 and 2:15 PM_VL 460, p. 4; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]mauna loa deep?not separately reported in VL 460, but included in table; time and date from newspaper report; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]BKapapala ranch-one of three quakes felt-others at 1:45 and 1:30 PMkona??BKealakekua-3, one slight shake, dur 1 sec, building shook slightly10 mi w of Hilo; felt-Hilonear Puu Ulaula18 mi SW of Hilo5 mi e of MokuaweoweoHookena-2, building creaked_VL 442, p. 7; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards] kohala os obsc. traceYVL 421; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards].not well located, felt-Hilo; Hilo-felt by many-felt-Hakalau; Hakalau-sharp quake felt by fewYVL 422; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]<4.620felt-HVO and Honokaa; Honokaa-felt a light shake}VL 424; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]; stronger trace on kona seismograph hualalai osVL 424Warshauer notes: A small earthquake was felt in Hilo at 12:29 p.m. Monday, more pronounced in Halai Hills section. Weakly recorded at HVO, stronger at Hilo than volcanohnot separately reported in VL 424, but included in table; time and date from felt report; HSB, 6/12/1935nVL 444, p. 6; HTH, 2/1/1937; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]t (vf?); f (kona)felt strongly-Kona, Kohala; lightly-Hilo, Kau; Warshauer notes: An earthquake rocked the Kona area at 2:58 p.m. today for about 15 seconds. No damage reported; felt strongly Kona, short and sharp Kohala and Honokaa, slight in Kau, not feltVolcano or Hilo.mags agree if amplitude referenced to distance from Kona seismometer; VL 463, p. 2; HA, 1/20/1939; HTH, 1/20/1939; see bib for complete felt report&5 mi NW of Pahala; 3 mi NW of Kula mtn hilo deepYWarshauer notes: Another quake, classified as feeble, was recorded at 5:46 a.m. yesterdayVL 463, p. 3; HTH, 3/23/1939generally felt in Hilo; Warshauer notes: Hiloites awak< ened by a sharp earthquake at 10:57 last night; not felt in the volcano district. It may have originated on the northeast rift of Mauna Loa, or the southeast rift of Kilauea in the Kalapana section{depth 26.67 in HVO catalog; VL 445, p. 4; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]Afelt-Hookena; Hookena-4, buildings creaked, hanging objects moved_VL 446, p. 7; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]Kaapo pali, near Pahalaseismogram pictured in VL 444, p. 3, labeled as feeble; date and time from seismogram, assume drum moves at 60 mm/min, amp 24 mm E-W, 13 mm N-S [slight, as measured]; VL 428xfelt generally Hawaii island; Warshauer notes: felt locally (long, swaying), one of 4 shocks felt island-wide, no damage;seismogram pictured in VL 444, p. 3; VL 428; HTH, 10/1/1935oVL 446, p. 7; HTH, 4/19/1937; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]5 mi NE Puu Ulaula(ml NE rift 10 mi from Hilo; felt-volcano kohala deepNfelt strongly-Kohala, Kamuela; Kamuela-one shake, dur few sec, windows rattledA deep quake with epicenter near; Warshauer notes: A sharp earthquake rocked the Kohala and districts at 8:45 a.m. today. While felt throughout the northern tip of the Big island, the quake did no damage; Hakalau-slight, no damageoVL 449, p. 7; HTH, 6/30/1937; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]near Mokuaweoweo hualalai deepHilo-tremors 11:20 PM to 1:30 am; Kapapala-8 shocks, strongest at midnight; Hilo-6 shocks, slow swayings Pahala to, Kohala, Kona less; preferred magnitude calculated as nomogram magnitude multiplied by number of eventslVL 428 [earthquake swarm (assume Mauna Loa summit); 20 events unaccounted for (vf) between 22:30 and 24:00]] lost in msfelt as a continuation of M5.6 eq; location uncertain; Warshauer notes: felt Hilo, Volcano, Kau, Kona (Holualoa-light shock); Honomu-felt?ifelt-Oahu only; rattled windows/dishes in homes on Wilhemina Rise (Honolulu, approx 25 km from ewa beach)Rlooked for, not found on Hon film record; not recorded at Whitney vault; Cox, 1986loihi%felt-HVO, Honomu; Honomu-2, dur 1 secYVL 415; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards] north hawaii felt-Honomu; Honomu-3, dur 3 secnot separately reported in VL 415, but included in table; time and date from felt report; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]time given as "forenoon"; Kapapala ranch-seven quakes felt between Saturday evening and Sunday morning [tremor or less for other six events] not separately reported in VL 415, but included in table;-date and time from felt report; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]isoseismal map in W&K; Neumann/1940a [Hon station dismantled]; VL 455, p. 6-7 [damage report given]; Jaggar/1938 [damage reports from all islands]; HTH, 1/24-28/1938; extensive felt reports in HVO, unpubdescription of earthquake and damage in bib (Jaggar, 1938-VL 457) and newspapers; recorded at Fordham University at 2:45 and 2:53 a.m. EST Jan. 23 [time disagrees, should be one hour later?].seismogram from "low magnification" instrument pictured in VL 457, p. 3, assume drum moves at 60 mm/min, amp 42 mm N-S; assumed gain of 33 yields agreement with GUTE magnitude of 6.8; HTH, 1/24-28/1938)Warshauer notes: aftershock felt at Manoaaftershock; HTH, 1/24/1938IV-Vffelt strongly in Kona and hnp, slightly by many in Hilo; Kealakekua-v slight single shake, dur 3-5 sec_VL 456, p. 3; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]Hualalai; felt-Konaisoseismal map in W&K; seismogram pictured in VL 444, p. 1, assume drum moves at 60 mm/min, amp 210 mm N-S [st, as measured]; seismogram s-p agrees with VL distance; HTH, 11/21/1935; HVO, unpub-see bibzearthquake swarm on Mauna Loa NE rift to end of month; from NE edge of Mokuaweoweo to 4 mi WSW of rest house at Puu UlaulaYVL 416; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]"felt-Hakalau; Hakalau-slight quakeYVL 418; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]"felt-Kapapala ranch; Kapapala-feltYVL 419; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards],18.3 mi from HVO; HVO-rang no. 1 annunciator_VL 430, p. 3; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]11 mi from HVO`felt-Kapapala, Pahala; Kapapala ranch-3 (time 1:05-separate event?), felt also by many in PahalaEruption channels bombedVL 430, p. 4; VL 431, p. 4-712 mi from HVOml swr?25 mi from HVOAMauna Loa northeast rift eruption ends on this day; VL 431, p. 4distance uncertain20 mi from HVO14 mi from HVO49 mi from HVO62 mi from HVO24 mi from HVO ml nf deep<5.22#5 mi NW of Puu Koli; felt-Hilo, hnpVL 432, p. 2; time not given-e slope Hualalai; Hookena-3, building creaked_VL 437, p. 2; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards] Mokuaweoweonot separately reported in VL 420, but included in table; time from Hon film record; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]; Maui/Molokai consistent with Hon mag and felt reports hualalai?<not well located; felt-Puu waa waa; felt at Puu waawaa ranchfelt- Kohala, Hilo, Maui; Kohala-short, sharp earthquake; Kamuela and Kawaihae-felt; central Maui-felt by many; Hilo-slight;-felt; n Kohala-5 quakes between 1 and 8 am (no. disputed), slight, finishing sharp, severe, short; Honokaa-3YVL 410; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]less widely felt; Kohala-short, sharp earthquake; Kamuela and Kawaihae-felt; Honomu-felt by many, 2 shocks (9:15 am), trembling, dur 2 sec;-felt; n Kohala-short, heavy shock acc by rumble; Honokaa-4Kapapala ranch-felt by severalnot separately reported in VL 410, but included in table; date and time from felt report; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]Honokaa-2, just a jolt<4.92<4.70cfelt-Olaa, Hilo; Hilo (7:52:40 PM, 7:50 PM)-felt by several in at least two locations, slight shockfelt-Kona; Warshauer notes: The Kona district reported a sharp quake shortly after midnight last night. The volcano seismograph recorded a very feeble shock at 12:23 a.m. [Kona mag 2.6-3.2]VL 444, p. 6; HTH, 2/1/1937ZWarshauer notes: Ookala reported a quake about 9:15 PM. [apparently not registered at HVO]onot separately reported in VL 444, but included in table; time and date from newspaper report; ; HTH, 2/18/1937Warshauer notes: The Kohala district reported two sharp shocks, the first at 9:43 and the second at 11:10 last night. [apparently registered at HVO but not reported in VL]mnot separately reported in VL 444, but included in table; time and date from newspaper report; HTH, 2/18/1937=Warshauer notes: see above [apparently not registered at HVO]SW MokuaweoweoVL 444, p. 7; HTH, 2/18/1937Tfelt strongly-Puu waawaa, Kailua; Puu waawaa ranch-4 to 6, buildings shaken stronglyblat and lon changed to Kaoiki from VL location on kl SW rift to fit felt report; VL 425; HVO unpubjfelt-volcano, Pahala, Hilo, Hakalau, Hookena; Hakalau-felt; Hilo-a slight quake; Hookena-2, building creakzmag agreement better if shallow; VL 426; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]<felt-Puu waa waa; Puu Waawaa ranch-felt slightly, dur 20 secYVL 427; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards] upper NE riftfelt-Hilo, KapapalaMauna Loa SW rift+Mauna Loa NE rift, nearer Hilo than Kilaueadetected in Honolulu; magnitude calculated near noise threshold; VL 448, p. 7; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]volcano (1 of 4 shocks), Kapapala (Kau-1 of 8 shocks), Hilo-2, 4-building shook (1 of 6 shocks), less < strong at Kona, Puu Waawaa and Kohala, Hakalau-slight, felt by all; Honomu-very feeble QHVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]Xnot separately reported in VL 427, but included in table; time and date from felt reportseismogram pictured in VL 444, p. 3, labeled as very feeble; date and time from seismogram, assume drum moves at 60 mm/min, amp 4.5 mm E-W, 2.5 mm N-S [vf-f, as measured]_VL 450, p. 8; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards] t; vf (kona)3near coast 10 mi n of Kealakekua (81.5 km from HVO)seismogram pictured in VL 444, p. 3, E-W labeled m-dismantled, p. 5, n-s labeled slight; assume drum moves at 60 mm/min, amp >142 mm E-W, 95 mm N-S [st, as measured]; VL 428; HTH, 10/1/1935; additional felt reports in HVO, unpubWarshauer notes: Jaggar concludes quake series was off Puna [contradicts VL locations]; Hilo-2, quite a heavy shock; Hilo-6, building shook; Holualoa-5, rather heavy and long; Honomu-strong; Hookena-hanging objects swungaHTH, 10/2/1935; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]ml mok? III-IV (Cox)Honolulu data average of 2 readings; VL 414; HTH, 8/16/1934; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]oahu<1.88eruption begins in Mokuaweoweo at 05:43; tremor accompanies earthquakes; felt Hilo, Kona; Warshauer notes: Three strong earthquakes occurred at 6 a.m. coincident with eruption in Mokuaweoweo; felt severely at ml [Red Hill] rest houseVL 406, p. 2; HTH, 12/2/1933 I R-F (VL)7 mi NW of Mokuaweoweo1 mi NE of n end of Mokuaweoweozwest rim of Mokuaweoweo; felt with alarm, ml [Red Hill] rest house; Warshauer notes: see above; Hilo-very slight (6:03 am)oVL 406, p. 2; HTH, 12/2/1933; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]VI (USE)felt-Honokaa; Honokaa-2not recorded at Whitney [tremor assumed]; date and time from felt report; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]:felt-Hilo and HVO; felt at Pahala and Hilo (10:37); Hilo-2Honolulu data average of two readings; VL 428; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]eshallower?; VL 428; HVO, unpub [intensities-arabic numerals-in remarks column refer to HVO postcards]JNE edge of Mokuaweoweo; felt strongly-summit rest house, Waiohinu, Honuapokona? Hookena-3NE edge of Mokuaweoweo halfway bet Hilo and Mokuaweoweom (st