ࡱ>  BDFHJL  !"#$%&'()*+,-./0123456789:;<=>?@ACDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~R F)H @WorkbookB SummaryInformation(XDocumentSummaryInformation8 N\pMichael F. Diggles Ba==Nx28X@"1Geneva1Geneva1Geneva1Geneva1Geneva1Times1Times"$"#,##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 0.0000 hh:mm:ss #.##                ( &    + * * + + + + * * * ) ) ) ) ) ) * * ( ( ( + + + ( ( ( `$honolulu data.milne-shaw.ex4  ;ia ^JvMKamuela; felt-5 km NW of; time 22:48; Kukuihaele-IV, loud rumbling then shakeXHonolulu amplitude average of two readings; HTL high; Eaton and Fraser, 1957b; HVO unpub#5 km s of Uwekahuna, felt-hnp;-feltkl uer?;just s of Makaopuhi crater, felt-Hilo; Hilo-felt by several)assume 6 km from Pahoa; VL 529-530, p. 12e rift near Pahoa slight-kona VL 529-530, p. 12; HVO, unpubKeahole pt; felt-NW 1/3 Hawaii island; Kealakekua-III, Kainaliu-v light, shook more in s Kona; Capt. Cook-III, jerk, then slight sway; Kamuela-V, slight/short, rattled windows; Kalahiki-II; preferred magnitude calculated as average of Honolulu and nomogra st-kamuela9 VL 529-530, p. 12; additional felt reports in HVO, unpub5 km NE of Kamuela; felt-entire Hawaii island, Maui, Oahu; Hilo-II, felt by many awake, weak, dur 3 sec, windows rattled; Kealakekua-V, buildings/windows shook; Olaa-gentle rolling; volcano-several felt; Pahala/Hakalau-good jolt;-strongest in 15 yrnot in Eaton and Fraser, 1957cnot in seismic summary^felt widely-Hawaii island, Maui; preferred magnitude calculated as average of Honolulu and HVOEaton and Fraser, 1957c st (kamuela)#repeat; detected; noise 0.4mm, 1.5shalf of hawaii islandrepeat s-p = 33 sfelt-hnp to Kealakekua; hnp-felt; Pahala-felt by many in Kau, very strong; Capt. Cook-felt; [postcard time 23:50-24:00-should be earlier to agree w seismic summary felt info]; preferred magnitude calculated as average of HVO and Honolulu'reread 6mm, 1s (M4.64); noise 1.2mm, 1s2repeat; fuzzy trace; threshold mag; period assumedEaton and Krivoy, 1958bseveral 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 nomogramMacdonald and Eaton, 1956bnear ml seismometer mod-naalehu*assume 5 km depth; Eaton and Fraser, 1956afSW rift; 5 km SW of Puu; felt-Kona; preferred magnitude calculated as average of nomogram and HonoluluEaton and Fraser, 1956a Kilauea Iki molokai osIV (Cox)not recorded at Whitney vault.offscale-no reading; s-p 9s (distance = 72 km)>Honolulu data average of two readings; Eaton and Fraser, 1956aKaoiki fault near halfway housekl mer sf deep10 km n of Keaau; felt-Hilo; preferred magnitude calculated as average of nomogram and HVO; Hilo-dur 2-3 sec, sharp shaking, chandelier swayed(no trace; noisy record-out of adjustment 9:30:06.5signal/noise approx 2min amp; duration = 210 s 2:58:41.8 s-p = 36 s 13:58:58.0 kuer sf os hilo, hnplight trace-hard to read 17:22:49.8 hvo mag low for felt report-4.1? 17:25:27.5min. amp; s-p = 33 s 3:38:02.7 15:56:04.9 later reading; mag agereement ok s-p = 34 s!earlier reading; mag agreement okrepeat; noise 0.7mm, 1s 16:37:23.4 hvo mag low for felt report-4.0? no trace; not in seismic summaryhnp, kulani, n kona 12:43:57.5volcano to hilo 2:52:47.8ler?noise 2.3mm, 1s 21:24:47.0 4:25:28.6 1:29:34.0 7:23:25.4 s-p = 29 s 19:01:26.5NE 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 HVOeast half hawaii island 8:58:09.9 swr sf deep 9:35:21.3&hilo, pohakuloa, puna, pahala, volcano 2:34:55.3 17:37:53.1 s-p = 31 s 13:24:15.85 km w of Uwekahunaperiod 0.5-1 secrepeat; noise 1.2mm, 1s#Eaton and Fraser, 1957b; HVO, unpub10 km n of; preferred magnitude calculated as average of Honolulu and HVO; Hakalau-felt; hnp-felt; Hilo-II, felt by few, rapid, weak, dur 2 sec, windows rattled$signal:noise ~1.5; reading spurious?naXHonolulu amplitude average of two readings; HTL high; Eaton and Krivoy, 1958b; HVO unpubiLatitude given as 2017' [misprint?]; Macdonald and Eaton, 1956b; HVO, unpub; HVO magnitude not publishedfelt-hnp to Honolulu, Oahu; Kamuela-V, 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 nomogram light trace&Macdonald and Eaton, 1956b; HVO, unpubsignal/noise=0.5; 1.5 ampWe rift Kalalua; assume slight at Whitney (VL 527, p. 4, table); M (Whitney) = 3.65-4.13closer to Pahoa?; VL 527, p. 6e rift Kalalua; assume moderate at Whitney (VL 527, p. 4, table); M (Whitney) = 4.13-4.65; preferred mag minimum consistent with Hon, Pahoa and WhitneyV (W&K); IV (S&C)strong at Whitney (M>4.92); location corrected to south coast of Kilauea 2 mi w of Kalapana (Macdonald and Eaton, 1964, p.146); VL 527, p. 6; detailed felt reports given in HVO unpub; mag not given in VLhvo mag low-4.3?half hawaii islands-p approx. 36 sVL 529-530, p. 12; HVO unpubKilauea crater; felt generally-central Hawaii island; Kamuela-V, vigorous shake, rumbling, windows rattle; Capt. Cook-III to IV, 2 distinct, 2nd stronger, comb dur 1 min, swaying, felt by persons walking outdoors; Honokahau-window rattleKohala summit; 9 km depth yields mag agreement between Honolulu and nomogram; HVO mag low?; Eaton and Fraser, 1957c; HVO, unpub IV; III (S&C)5 km n of Ainapo; felt strongly-Kapapala; also from Kealakekua to Hilo; Hilo-II, 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 slightlypoor record-threshold magnitudepoor film copy-min amp read sw of lanaiEaton and Krivoy, 1963abfelt-Capt. cook, Honokaa, Hilo, hnp; preferred magnitude calculated as average of HVO and Honolulu detected; signal:noise approx. 1 III (S&C)AHonolulu data is average of two readings; Eaton and Krivoy, 1963a%min amp; duration = 260 s; s-p = 39 s#felt-Capt. cook, Honokaa, Hilo, hnp hualalai osRegionMHonolulu amplitude average of two readings; HTL high; Eaton and Fraser, 1957b5 km w of Makaopuhi crater#Eaton and Fraser, 1957c; HVO, unpub8 km SW of; felt generally-Hawaii island; additional felt reports in HVO, unpub; preferred magnitude calculated as average of Honolulu and HVOIV (S&C)+closer to Kamuela?; Eaton and Fraser, 1957c_30 km w of Hawi; felt-Kealakekua; preferred magnitude calculated as average of Honolulu and HVO s-p = 20 sFlatitude given in error as 2348'; Eaton and Fraser, 1957c; HVO, unpubvpreferred magnitude calculated as average of Honolulu and HVO; Capt. Cook-felt by few; Kealakekua-sharp, awakened some:latitude given in error as 2348'; Eaton and Fraser, 1957c=preferred magnitude calculated as average of Honolulu and HVO s-p = 28 s4 km se of Uwekahuna, felt-hnp to Hilo; hnp/volcano-felt generally; Hilo-felt; Kapoho-felt, ( ranch) wakened by gentle motion, e-w, 2 distinct waves dur 15 sec; Hilo-moderate, began gradually, dur 10 sec, pulsating rocking motion, felt generally*fuzzy trace; threshold mag; period assumed#min amp; S-P=36 s; duration = 112 srepeat; period approximate-film time 13:59; s-p = 6.5 s (distance 50 km)#Eaton and Fraser, 1958b; HVO, unpub5 km n of; felt-most of Hawaii island; extensive felt reports in HVO, unpub; preferred magnitude calculated as average of Honolulu and HVOS-P=33 s; duration = 95 s#Eaton and Krivoy, 1958a; HVO, unpubfelt-central Kona; Kealakekua-very slight; Capt. Cook-III, "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 nomogrammoderate-uwekahuna,HTL high; Eaton and Fraser, 1957a; HVO unpub7 km w of Apua pt, felt-hnp, Kona; hnp-sharp jolt like car striking house, also felt at volcano; Capt. Cook-II, gentle, quick jiggle, dur >7 sec, prob 12-15 sec, pheasants cackling, felt lightly by few SP Vert (HTL)reread off scale (>10mm)moderate (kona)Massume 5 km depth; assume 5 km from Kona; Eaton and Fraser, 1957a; HVO, unpubRcentral Kona; felt-central Kona; Kealakekua-very slight, seemed to come from north2.0-3.2 vf-uwekahuna+Eaton and Fraser, 1957a; HVO mag 3.5; high?25 km se of Apua pt; felt-hnp slight (uwe)MHonolulu amplitude average of two read< ings; HTL high; Eaton and Fraser, 1957anear ml seismometer; felt-Pahala,, volcano; preferred magnitude calculated as average of Honolulu and nomogram; hnp-felt;-felt by several; Pahala-V, rattled windows, not of long duration~near ml seismometer; felt-Pahala,, volcano; preferred magnitude calculated as average of Honolulu and nomogram; no felt report20 km NNW of Keahole pt; felt-; Kealakekua-V, very fast and quite strong; Kukuihaele-IV, shook buildings, also felt in; Hakalau-not strong, house shook; preferred magnitude calculated as average of nomogram and Honolulul4 km w of Kalalua-largest quake of series; assume strong at Whitney (VL 527, p. 4, table); M (Whitney) >4.65unreadable; high microseismtime 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 t7 km NW of Hilo; felt-Hilo to Kealakekua; additional felt information from hvo postcards given in 1933-1959 eq file 5:11:15.0east hawaii island 14:26:10.0 15:18:21.7repeat-18mm, 4 s4m-s mag seems high, hvo mag low for felt report-4.5? hnp to hilo%large surface waves; probably shallow/aftershock; Eaton and Fraser, 1956b; HVO, unpubNfelt-Capt. cook; preferred magnitude calculated as average of Honolulu and HVONfelt-Kukuihaele; preferred magnitude calculated as average of Honolulu and HVO milolii osEaton and Krivoy, 1963btrace out of focuskl mer sf deep?Eaton and Krivoy, 1963cno trace; fuzzy recordler sf offshore kcal 05-10kuer sf ler offshorekcaldeeplight trace; min magno film recordswrdeep glenwood deepsuperposed on teleseism-amp estcatalog?=preferred magnitude calculated as average of HVO and HonoluluNHonolulu amplitude average of two readings; Eaton and Krivoy, 1958b; HVO unpubfelt-Pahala; hnp-felt; Pahala-felt by many in Kau, very strong; Capt. Cook-felt; preferred magnitude calculated as average of HVO and Honolulu6fuzzy trace; period assumed; noise 1.0mm, 1.5s assumed!all Hawaii island, Maui, Oahu (V)3detected; noise 0.6mm, 1.5s; not in seismic summary kcaldeep eqsM4.2?3detected; noise 0.4mm, 1.5s; not in seismic summary 19:39:44.9all hawaii island, maui, oahulight trace/large amplituderepeat; noise 1mm, 1.5s'assume no trace; not in seismic summaryM3.8?naalehu to kulani 14:36:24.0 hawaii island 19:23:08.9 1:41:06.2/detected; reread 0.8mm, 1.5s; noise 0.4mm, 1.5slevent assumed to correspond to event given wrong time in Eaton and Krivoy, 1958b; poor record-period assumedmag agreement ok? 2:00:46.6 9:46:19.0 0:56:46.6 hvo mag lowrepeaat; noise 0.5mm, 1.5s 4:15:55.1corrected datedcentral Kona; assume 5 km depth; farther from Kona seismometer?; Eaton and Fraser, 1957a; HVO, unpubnear Kealakekua; felt-central Kona; Kalahiki-III; 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, lightlost in record changehigh frequency tracemolokaivf-felt (haleakala) VL 529-530, p. 13nn coast of Molokai; felt-Oahu; preferred mag is average of Honolulu readings with Milne-Shaw given half weightdeep?? catalog kl kuer sf %Macdonald and Eaton, 1956a; HVO unpub10 km s of Kilauea crater; felt-hnp, Olaa, Hilo; hnp/volcano-felt generally; Olaa-felt; Hilo-felt; Keauhou ranch-felt strongly; Hilo-II to III, felt by many, rapid, weak, dur 4 sec, windows rattled s-felt (hilo)@average of two readings; Macdonald and Eaton, 1956a ; HVO, unpuboffshore 20 km ENE of Hilo; felt-Hilo, Glenwood; felt in Glenwood and by several in Hilo; preferred mag average of Honolulu and nomogram m (kamuela)AMacdonald and Eaton, 1956b; additional felt reports in HVO, unpube rift near Pahoa; Warshauer notes: dismantled Pahoa seismograph at 5:57 a.m. [time off?], first time since eruption stopped two weeks ago.mod-ml VL 528, p. 5; HVO, unpubH10 km n of halfway house; felt-Hilo, hnp,; Hilo-felt by two;-felt by one VL 528, p. 525 km n of halfway house; felt-Hilo, Pahoa, volcanomod-uweVL 528, p. 5; HVO unpub@Puu Kapukapu, felt-Pahoa,; Pahoa-felt;-felt; Hilo-felt, moderate hilea deep vf-naalehufelt at Pahala slight-ml2VL 525, p. 7; additional felt reports in HVO unpubml mag 3.9-4.4; 522, p. 4Ndepth assumed consistent with Honolulu magnitude and felt report; VL 522, p. 4near Kilauea crater; felt-hnp event at 1:36hdepth changed from appearance of records at uwe and outlet-kcaldeep?; Eaton and Fraser, 1956a; HVO unpubh15 km SW of Kalapana, felt-Hilo; Hilo (time 01:43-daylight savings?)-small sharp quake of short durationkona os strong-konaV (S&C); IV (hilo, kona)felt-Kukuihaele, Pohakuloa; Pohakuloa forestry camp-moderate, windows rattled; Kukuihaele-IV, rumbling heard; Pohakuloa-slow, began gradually, dur 3-5 sec, floor moved; preferred magnitude calculated as average of Honolulu, HVO and nomograms-p 28sEaton and Frasier, 1957cminimum amp; duration = 295 sminimum amp; duration = 260 s st-naalehuslight-kamuela VL 529-530, p. 13; HVO, unpubXHonolulu amplitude average of two readings; HTL high; Eaton and Fraser, 1957c; HVO unpubh5 km s of Ohaikea, felt-ml obs, Capt. cook; ml weather observatory-rattled windows, awakened one sleeper$record out of focus; duration = 55 sEaton and Fraser, 1957d25 km NW of Kamuelano trace-record out of focus*assume 5 km depth; Eaton and Fraser, 1957d.30 km w of Kailua; felt-Kealakekua, Capt. cook#Eaton and Fraser, 1957d; HVO, unpub 7:36:18.7(repeat; s-p = 33 s; high-frequency event 11:06:10.1 s-p = 38 s 3:47:19.0"detected; signal/noise less than 1felt-Kona; Kealakekua-very slight; Capt. Cook-III, 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 stronglight trace; min ampNHonolulu amplitude average of two readings; Eaton and Fraser, 1956b-M3.5; low?near Kilauea craterhvo moderate (ml)e7 km e of Anipeahi; assume 5 km depth; Eaton and Fraser, 1957a; additional felt reports in HVO, unpubcatalog magnitude lowfilm poor-amp est; period short 1:45:15.0 19:7:44.5 kona offshore 17:18:35.0 haleakala 8:31:51.8 8:25:38.8 21:17:57.0hvo mag low-4.2?"Cox, 1986; Eaton and Fraser, 1958a17 km se of Naalehu, felt-Naalehu, Pahoa; felt at Pahoa and Naalehu; preferred magnitude calculated as average of Honolulu and HVOfilm time 13:59V (Cox)felt-hnp to Kona; hnp/volcano-slight quake, felt by several; Capt. Cook-IV, 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 nomogramdepth changed to 30 km in accordance with similar felt reports over a broad area of Hawaii island; VL 528, p. 5; HVO unpub; HTH, Apr. 1, 1955; mag not published in VL; preferred mag average of Honolulu and HVOsouth rim of Kilauea crater; felt generally-Hawaii island; few on Maui, Oahu; detailed felt reports in HVO unpub; Warshauer notes: Hilo, Kona seismometers dismantled; felt Kona, Kau, Hilo. Pahoa, volcano, Glenwood-Mt. view; objects off shelves at Kapapala8Honolulu amplitude average of two readings; VL 528, p. 5 Hilina pali VL 528, p. 5e rim Kilauea crater; felt-hnp8assume 6 km from Pahoa; VL 528, p. 5; HTH, Apr. 22, 1955e rift near Kalalua; felt-volcano; hnp (bird park)-felt like someone shaking car; hnp-rec on experimental instrument, not felt; volcano-felt, water tank splashed; hnp-mirror thrown to floor, feltfilm time: 0:22:55 strong-pahoa)closer to Pahoa?; VL 527, p. 5; HVO unpubrecords at Whitney and Uwekahuna unreadable during first few hours of swarm; rift 4 km e Napau crater; felt-Hilo; Hilo-felt by many, slow and weak, dur 3 sec, many near quakes these dayse rift Kalaluaunusable-high microseism-storm?closer to Pahoa?; VL 527, p. 5unusable recordsignal/noise=0.5; 3 ampeaverage distance and depth assumed fr< om modern catalog locations of near-caldera events; VL 520, p. 4 SW rift (?)detected?-signal:noise ~.5^Honolulu amplitude average of two readings; mag agreement best for shallow depth; VL 525, p. 7!e rift Makaopuhi crater; felt-hnpnoise 0.6mm, 1.5srepeat; no trace threshold magunreadable-light trace,difficult to read peak amplitude; s-p = 29 smaximum value-at noise levelassume 5 km depth (too shallow to fit felt reports?); Eaton and Fraser, 1956b [magnitude given to S&C not published]; HVO, unpub45 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 HVO%light trace-high amplitude-unreadable s-p = 27 s s-felt (kona)near Heiheiahulu; felt-Pahoa, Hilo, hnp, Capt. cook; Hilo-III, felt by many, slow and moderate, dur 15 sec, windows, doors, dishes rattled; Capt. Cook (23:00)-II, v slight vibration, similar to 2225 quake but shorter and lighter, no window rattlenoise 0.4mm, 1sHilina fault s of HVO; felt over entire island of Hawaii, on Maui, Oahu and by a few persons on Kauai; detailed felt report in HVO unpub; Warshauer notes: dur 5 min, felt only few sec; cracked paint, plaster fall, articles from shelves at Kapapalaminimum amp; per = 0.5-12 sp vert: 0.5mm on 2nd sp vertCHonolulu amplitude average of two readings; VL 526, p. 6; HVO unpubHilina pali, felt-Hilo, Pahala; Pahala-V, building swayed slightly; Hilo-IV, motion quite rapid, began gradually, dur 5 sec, windows, doors and dishes rattled; followed shortly after by another quake felt by a few~3.7vf-kona; f-pahoafilm time 15:25; s-p = 32 smag agreement okS-P = 32 sec; duration = 135 snot in catalogglenwoodmer sfcatalog mag high? 9:22:39.3catalog mag somewhat low?hilo, hnp, n kona s-p = 32 s 3:14:30.6hnp 23:26:3.0 n kona, hnp 4:57:59.8$catalog mag low for felt report-4.3?all hawaii islanddetected; noise 0.4mm, 1.5s 18:52:09.9mag agreement prob okmag too high-period too low?s-p approx 33 s 12:57:53.4ler sf10 km SW of ml seismometer; felt-hnp, Kealakekua, Kamuela; Kealakekua-very slight;-felt by several, pheasants cried a few sec before quake; hnp-felt by somekl swr sf os deep,HTL high; Eaton and Fraser, 1958a; HVO unpube rift near Kilauea crater; felt-volcano, Pahoa, Hilo; Hilo-felt by several, rapid, moderate, dur 2 sec, house creaked, rattling of windows and small objects; Pahoa-felt strongly; volcano-feltGe rift near Puu Honuaula; Warshauer notes: dismantled Pahoa seismographYe rift se of Pahoa; assume 6 km from Pahoa; Warshauer notes: dismantled Pahoa seismograph VL 527, p. 5)e rift near Pahoa; assume 6 km from Pahoa~3.9e rift near Puu Kepaka>4.0 strong-PahoaZassume strong at Whitney (VL 527, p. 4, table); M (Whitney) >4.65; VL 527, p. 5; HVO unpub VI (W&K; S&C)2magnitude not given in VL; VL 525, p. 6; HVO unpube rift near Alae crater, felt generally s half Hawaii island, accompanied and followed by numerous rockfalls on seaward face of Puu Kapukapu; detailed felt reports in HVO unpubforce=4 mm (S-wave) VL 525, p. 7; HVO, unpub'near ml seismometer; felt-hnp; hnp-feltkKaoiki fault w of HVO; felt-hnp, Kona; hnp-felt; Capt. Cook-II, 2 v gentle window rattles about 3 sec apartno trace; threshold mag#mag agrees if shallow; VL 525, p. 7e rift Alae crater; felt-hnpfeeble; slight (ml)ml mag 3.9-4. 4; VL 522, p. 4"Mauna Loa 3 mi s of ml seismographcentral Kona; assume 15 km from Kona; felt-Kona to Hilo; preferred magnitude calculated as average of Honolulu and nomogram; Kealakekua-V, strong all over Kona, strong and hard, not long, came from south, sounded like a blastBHonolulu amplitude average of two readings; N-L high; VL 517, p. 60off south shore; felt-volcano, Kapapala, Naalehubdepth assumed consistent with Honolulu magnitude and felt report; VL 522, p. 4; HTH, Nov. 30, 1953\near Kilauea crater; felt-hnp; Warshauer notes: an earthquake at 7:43:43 p.m. No felt reportfelt-most Hawaii island n to Kukuihaele; Hilo-II; Capt. Cook-IV, awakened, dogs barked, tremors built to climax then tapered; very strong jolt at Honokahau, quite severe at Kona hospital; Kukuihaele-II; Kalahiki (Kona)-III; Kealakekua-longer than May 25(film time 14:58; no trace; threshold magslight (st-kona)NHonolulu data average of two readings; Kona mag >4.1; VL 520, p. 4; HVO, unpubrepeat; noise 0.4mm, 1.5sVL 526, p. 5; HVO unpubSW rift near Puu; felt-SW half Hawaii island; Kapapala-felt strongly;-felt quite strongly; Kalapana-felt; hnp-felt; Kalahiki-IIIduration = 220 s strong (uwe)Isoseismal map in W&K; VL 529-530, p. 12; HVO unpub; HTH, Aug. 14, 1955; HVO mag not published; preferred mag calculated as average of Hon, HVO and W&Kassume feeble at Whitney (VL 527, p. 4, table); M (Whitney) = 3.33-3.92; location corrected to south coast of Kilauea 2 mi w of Kalapana (Macdonald and Eaton, 1964, p.146); VL 527, p. 6; HVO unpubsnear Heiheiahulu; felt-Pahoa, Hilo, hnp; Hilo-felt by few, rapid and weak, doors rattled, felt in bed as sharp joltHonolulu amplitude average of two readings; strong at Whitney (VL 527, p. 4, table) yields M>4.92, slight?; location corrected to south coast of Kilauea 2 mi w of Kalapana (Macdonald and Eaton, 1964, p.146); closer to Pahoa?; VL 527, p. 6; HVO unpubBe rift Alae crater, felt-Hilo; Hilo-II, light, typical local quakemag using the Kona seismometer based on location NW of the caldera (5 km from ml, 60 km from Kona and 43 km from Pahoa); ml mag 2.3-3.9; Kona mag 2.7-4.0; VL 526, p. 6; HVO unpubrnear Kamuela; Kamuela-IV, slight rumble, very moderate, dur 3-5 sec, buildings shook, rattled windows; Umikoa-felt alt reading 5.5mm, 3s not chosen strong-mlZNE end of Mokuaweoweo; felt-hnp; volcano-felt throughout, gentle slow motion of dur 30 secalt reading 3mm, 1s not chosen2.6-3.0near Heiheiahulu; felt-Pahoa, Hilo, hnp; Hilo-felt by few, slow and weak, door rattled, felt in bed, slightly, just one jolt; preferred mag average of Pahoa and Whitneydetected?-signal:noise <.5 VL 527, p. 6Kaoiki 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]uwe mag >3.0; VL 524, p. 11Kilauea crater9Honolulu amplitude average of two readings; VL 524, p. 11-Kilauea crater just e of Halemaumau; felt-hnpnoise; 0.7mm, 1.5srepeat; noise 0.7mm, 1.5svf-felt; st (kona)C Kona >3.8 if shallow; moderate at Kona?; VL 524, p. 11; HVO, unpubVKona; assume 5 km from Kona; felt-Kona; Kalahiki (Kona)-II, pictures tilted toward Kaus of Aloi crater near Ainahou; felt-volcano; volcano-slight; no mention of earthquake being felt in article published in HTH on Oct. 27 and 28, 1953e rift s of Makaopuhi crater; felt-volcano; Hilo-felt slightly; no mention of earthquake being felt in article published in HTH on Oct. 27 and 28, 1953noise 0.7mm, 1s>4.1Zchecked paper records w. bob k 8/96-all four quakes look the same; VL 522, p. 4; HVO unpube rift near Alae crater; felt-volcano; volcano-slight; no mention of earthquake being felt in article published in HTH on Oct. 27 and 28, 1953felt-volcano, s Kona, Kohala; Kalahiki (Kona)-IV; Capt. Cook-II, awakened, gentle window rattling, strong at beginning gradually becoming weaker, dur 10 sec or more; Hawi-IIkl swr? VL 520, p. 4SW riftKilauea crater; felt generally-volcano; Warshauer notes: A series of earthquakes under the east rift and caldera began last Friday [Apr. 4] and are continuing today. One strong one was registered at 10:58 p.m. Sunday, rattling windows at the Volcano House3.5-4.1e rift near Puu Huluhulu>4.7VL 516, p. 7; HTH, Apr. 8, 1952Kilauea crater; felt-Glenwood, volcano, Naalehu, Hilo; Capt. Cook-III, slight rattle of windows; preferred magnitude calculated as average of Honolulu and nomogramfeeble (sl-ml)sHonolulu amplitude average of two readings; VL 522, p. 4; additional felt reports in HVO unpub; HTH, Nov. 30, 1953]near Heiheiahulu; felt-s half Hawaii island; assume strong < at Whitney (VL 527, p. 4, table); M (Whitney) >4.92; Note: a second strong quake listed in table on p. 4 inconsistent with Hon data; preferred mag average of Honolulu and HVOfilm time 8:23 slight-Uwex15 km se of Kamuela; felt-Kamuela; Kamuela-V, strong, loud "explosive" noise with rumble from NE, strong jar to building VL 526, p. 54.1-4.76mag agreement best if shallow; VL 526, p. 5; HVO unpub<near Kilauea crater, felt-hnp; volcano-gentle rocking motionrecord unusablefeeble (st-kam)deeper? from felt reports; mag Kona >5.0, mag Hilo >5. 4, mag ml >5.0; VL 521, p. 6; HTH, Aug. 22, 1953; extensive felt reports in HVO, unpubn 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 2VL 523, p. 5, 7; HVO unpub; HTH, Mar. 30; 31, 1954about 15 mi deep between e rift and Kalapana; felt-entire Hawaii island; Hilo-V, dishes off shelves; Kalahiki (Kona)-IV, long and gentle; Warshauer notes: see bib for damage report in HiloVII; VII (USE); VI (S&C)cisoseismal map in W&K; VL 523, p. 5, 7; additional felt reports in HVO unpub; HTH, Mar. 30; 31, 954closer to Pahoa?; assume feeble at Whitney (VL 527, p. 4, table); M (Whitney) = 3.33-3.92; location corrected to south coast of Kilauea 2 mi w of Kalapana (Macdonald and Eaton, 1964, p.146); VL 527, p. 6 ; HVO unpubHualalai 9 mi e of Hainoa crater; felt-Kona; Capt. Cook-IV, 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 shook>4.2felt report and lack of Honolulu signature suggests shallow uer closer to summit than location given, or moderate; checked paper records w. bob k 8/96-all four quakes look the same; VL 522, p. 4; HVO unpubfelt 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 Oahularge signal on faint trace VL 519, p. 64Kaoiki fault bet bird park and Ohaikea; felt-volcanovf-felt; f (kona)<Kona mag 3.7-4.3; VL 519, p. 6; not found in HTH; HVO, unpubHualalai summit; felt-Kona,, Kapapala; Capt. Cook-III, pheasants cried ~2 seconds before quake felt, rolling wave like tremor passed through the house rattling windows; felt similarly in Kailua and Honokahau; felt at as short hard jolt IV (Naalehu)fHonolulu data average of two readings; closer? or slight; VL 519, p. 6; HTH, Mar. 26, 1953; HVO, unpublack of Honolulu signature suggests shallow uer closer to summit than location given, or moderate; checked paper records w. bob k 8/96-all four quakes look the same; VL 522, p. 4qe rift s of Napau crater; no earthquake intensity information in article published in HTH on Oct. 27 and 28, 1953Honolulu 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, unpubml mag 3.6-4.1; VL 518, p. 12%felt-, Kapapala; assume 30 km from ml VL 518, p. 12off south coastVL 518, p. 12; HVO unpubfilm time is 0:07 VL 517, p. 6f!!N-L high; VL 517, p. 7; HVO unpubHon 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; HTH, Oct. 8, 195VL 4lfelt-Kalahiki, Capt. cook, hnp; extensive felt reports in HVO, unpub; Warshauer notes: felt sharply in HiloEKamuela mag >4.8; must be closer to Kamuela; VL 526, p. 5; HVO, unpubNE rift Puu Ulaula; felt-Papaloa Kona, hnp, Kukuihaele; preferred magnitude calculated as an average of HVO and nomogram; Papaloa (Kealakekua mauka-5100 ft alt)-IV, sharp jerking, windows rattled, dur 4-6 sec, slight jiggle in Kealakekua; Kukuihaele-IIVL 523, p. 6; HVO unpubKona 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, unpubfelt strongly-Kona; additional felt reports in HVO, unpub; preferred magnitude calculated as average of Honolulu and nomogram (Whitney distance)felt-entire Hawaii island, parts of Maui; shaking most intense in Puna, water tanks thrown down, stone fences damaged; extensive damage in Hilo. broken windows, houses moved or thrown down; Warshauer notes: see bib for complete damage report in HiloThis is the largest of a swarm of more than 200 small quakes near Kilauea caldera on Dec. 4 and 5; felt-cpt. cook, Pahala; Pahala (9:04 PM)-III, very feeble, slight movement and rattling windowsVL 526, p. 6; HVO unpub6Kilauea crater, felt-hnp; volcano-brief, gentle motion mod (kamuela) VL 526, p. 6; HVO, unpubjKamuela; felt-Kamuela, Hawi; Hawi-rattled windows; Kamuela-V, short dur, sharp jolt acc by explosive soundhmag agreement ok with felt reports if assume 30 km rather than 15 km depth; VL 529-530, p. 13; HVO unpub f-felt (m-ml)Honolulu 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, unpub VL 519, p. 6; HTH, Feb. 8, 1953; extensive felt reports in HVO, unpub; preferred mag calculated as average of M-S (2) and Berkeley (1) VL 516, p. 8Mauna Loa summit; felt-Kapapalanoise 0.8mm, 1sfilm time: 2h 4m 14.5s>4.9Honolulu amplitude average of two readings; "shallow" designation in VL 516 unlikely; Honolulu records consistent with deep origin; Honolulu amplitude average of two readings; VL 516, p. 8'SW rift 0.5 mi NE of Mauna Iki, shallow4.0-4.6SW rift near Kamakaia hills, VL 517, p. 6; HTH, Jul. 7, 1952; HVO, unpubdo; 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-V, rumbling noise followed by quake, buildings shook, objects rattled.detected; 1.5s period assumed-signal/noise 0.5felt-Kukuihaele, Hilo; assume epicenter bet Kukuihaele and Hilo; Warshauer notes: see above; Kukuihaele-V, buildings shook, awakened personsVL 517, p. 6; HTH, Jul. 9, 1952strong at, Kapapala; slight-most Hawaii island; Warshauer notes: strong at, Kapapala; Kukuihaele-II; Hilo-II; Kalahiki-II; Capt. cook-II, v slight quiver, window rattle; preferred magnitude calculated as average of Honolulu and nomogram vf (vf-ml) III (Naalehu)- VL 519, p. 6; HTH, Mar. 26, 1953; HVO, unpubfelt moderately-; slightly-Kona; 47.5 km from ml; Warshauer notes: A quake at 1:40 a.m. was intensity II-III.; Kalahiki (Kona)-III VL 520, p. 4; HVO, unpubfelt-cen, s Kona,, volcano; preferred magnitude calculated as average of Honolulu and nomogram; Kealakekua-V, quite strong, started with bump, windows rattledUrepeat; film time 14:58; no trace; threshold mag; high frequency event, possibly deep@e rift near Pauahi; hnp (time 18:58-wrong in VL?)-set off buzzerm (st-naalehu) feeble (s-ml)location 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#repeat; noise 1.1mm, 1s; 2.8 mm, 1s3.1-3.5paverage distance and depth assumed from modern catalog locations of near-caldera events; VL 520, p. 5; HVO unpub=Kilauea (?) in VL; felt-Hilo; Hilo-III, awakened all in house3.6-4.2 kl gln deep?Ndepth of 45 km assumed consistent with location and felt reports; VL 520, p. 5:NE slope of Mauna Loa; felt in Hilo and volcano districts VL 520, p. 5 felt-volcanorecord obscured; min amps (st-ml, kona, hilo)/e rift 1 mi NW of Heake; felt-Naalehu, Kapapaladetected-signal:noise = 3signal:noise = 3%off south shore 16 mi S10W of Apua ptdetected; signal/noise <1>4.25Kilauea crater; felt?3Honolulu data average of two readings; VL 516, p. 7se slope Mauna Loarepeat; noise 0.6mm, 1snoise-0.9mm, 1.5s VL 516, p. 7noise-0.8mm, 1.5s VL 516, p. 7; HVO, unpub%se slope Mauna Loa; Kapapala ranc< h-II VL 523, p. 7Kilauea crater; felt-hnp`aftershock-magnitude comparison suggests epicenter closer to Kilauea's summit than the mainshocknoise 1.0mm, 1s VL 524, p. 10kl lerKilauea crater; felt-volcanoVI; VI (S&C); VII (W&K)+VL 527, p. 6; HVO unpub; HTH, Mar. 28, 1955Kilauea crater; felt strongly-volcano, hnp; water lines broken and road cracks in hnp; hnp/volcano-felt strongly, broke waterlines, cracked road; Warshauer notes: repeats VL m (naalehu) closer to Naalehu?; VL 527, p. 6 strong-uweV; V (W&K; S&C)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 nomogramrepeat; noise 0.4mmhilea oscloser?; VL 519, p. 64 mi S45E from Naalehufelt-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) not recording VL 516, p. 84 mi NNE of Whitney laboratorycloser to shore?; VL 516, p. 7-film time is 06:03, 4/6; wrong by 1 hr in VL?could be deeper; VL 516, p. 7e rift near Napau crater?film time is 06:03, 4/6; wrong by 1 hr in VL?; signal/noise = 3?film time is 06:03, 4/6; wrong by 1 hr in VL?; signal/noise = 1/slight? on bosch-omori; no trace; threshold mag9Honolulu amplitude average of two readings; not in VL 516slight? on bosch-omori VL 516, p. 7*slight? on bosch-omori; signal:noise = 1.5not in VL 516; HVO unpubIoff south shore; Kealakekua (Greenwell diary-3:30 PM)-IV, very good shakeslight? on bosch-omori3slight? on bosch-omori; detected; signal:noise = .5oahu?IV (Cox; S&C); V (USE)ICox, 1986; not recorded at Whitney vault; VL 516, p. 7; HTH, Apr. 7, 1952felt-volcano; Warshauer notes: Three sharp earthquakes jolted this end of the island this morning, the first coming at 6:54; felt east side of island?missing-record being changedtwin earthquake; Hilina fault?; felt-Hilo, volcano, Naalehu; Warshauer notes: two other quakes within seconds of each other at 8:10; felt from Naalehu through the volcano area to Hilo.^e rift 2 mi e of Napau crater; felt-volcano to Pepeekeo; Hilo-II, one jolt with no preliminary>5.2 kl mer sf osWe rift near Alae crater; Capt. Cook-I, not felt, very light tremor while reading in bed VL 518, p. 12; HVO, unpube rift near Napau crater; felt-hnp to Hilo; Warshauer notes: shook Hilo home sharply, intensity III; hit Hilo with a joggly sharpness, se-NW; heavy shock then lighter; sustained motion that rattled windows and doors vigorously; depth 10 mi (change VL?) 4mm at 1s 1.2 mm at 1se rift near Makaopuhi crater; felt-Naalehu to volcano; Warshauer notes: A quake at 12:54 p.m. was lightly felt in the national park area.*detected; signal:noise ~1; film time 23:028Honolulu amplitude average of two readings; VL 516, p. 7signal:noise =20repeat; film time 14:58; no trace; threshold mag&off south shore; felt-Hilo to KapapalaV; V (USE; S&C)qVL 515, p. 7; HTH, Mar. 18, 1952; see also bib; coverage of the earthquake swarm continues daily through March 28felt-Kona; Capt. Cook-II, 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 quake vf (m-kona)CKona mag 4.2-4.7; must be closer to Kona; VL 518, p. 12; HVO, unpubHualalai summit; felt-Kona; Capt. Cook-III, 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 quitfeeble (st-kona)Cmag agreement improved if moderate rather than strong; VL 515, p. 7Honolulu data average of two readings; if referenced to Kona station; VL 521, p. 6; HTH, Aug. 24, 1953 [newspaper reports "strong" on HVO and ML stations-inconsistent with location given]; extensive felt reports in HVO, unpub~3.8 slight-uweHonolulu amplitude average of two readings; ml mag 3.8-4.3; Pahoa mag 3.8-4.3; Hilo mag 2.2-3.4; Naalehu mag 2.30-3.5; Kamuela mag 2.6-3.8; mags reconciled if Naalehu, Kamuela and Hilo were feeble; VL 527, p. 5; HVO unpube rift near Makaopuhi crater; felt-hnp, volcano,; volcano-awakened; felt by several hnp/volcano, quite strong acc by a roar;-felt; depth as given or deeper gives best fit to Honolulu magnitude and felt report~3.4 mod-Pahoa VL 527, p. 5; HTH, Feb. 25, 1955+Kilauea crater; felt-hnp; minimum magnitude/Kona >3.8 if shallow; VL 524, p. 10; HVO, unpubKona; assume 4 km from Kona; felt-Kealakekua, Capt. cook; Capt. Cook and Honaunau mauka-III, jar; Kealakekua-IV, short and sharp jolt, windows rattle; Honalo-short shakefeeble (st-ml)ml mag >3.3; VL 524, p. 11?signal:noise = 2; film time is 23:16, 4/5; wrong by 1 hr in VL?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, unpuboff scale-minimumslight (m-kona)oKona mag 3.8-4.3; location wrong-se of Napoopoo?; or feeble at Whitney?; Kona magnitude preferred; VL 514, p. 5@Kealakekua fault 5 mi w of Napoopoo; felt-central Kona to Kahuku>4.8 kl mer sf?Honolulu amplitude average of two readings; [moderate?, or closer to summit?; probably kl sf rather than rift]; VL 514, p. 5; additional felt data in HVO unpub; HTH, Dec. 7, 1951offshore 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.=film time 7:10; misprint in Cox?; s-p 12s (distance = 100 km)< offscale-no reading taken; film time 7:10; misprint in Cox?>3.4 kl cal 0-5VL 516, p. 7; HTH, Apr. 7, 1952not separately in VL 513assume no trace; not in VLNHonolulu data average of two readings; closer? or slight at Kona; VL 513, p. 6detected; noise 0.4mm, 1s@felt-Kona to volcano; Kapapala ranch (5:18 PM)-medium earthquake3closer? or slight at Kona; VL 513, p. 6; HVO, unpubAfelt-Kona to; Capt. Cook (Greenwell diary)-1730+, pretty good one vf (st-kona)2Kona mag >3.8 if shallow; VL 513, p. 6; HVO, unpubVL 515, p. 6; HVO unpubfelt-entire island, Maui, Oahu; Hilo-V, n-s, objects onto floor, clock stopped; Warshauer notes: Little damage, Hilo-buildings swayed/dishes broke, glass cracked, water main broke; hnp-damage to roads, new cracks, some subsidence, landslides in Halemaumau>4.5kl swrifelt-Naalehu; small tsunami at Kalapana; Warshauer notes: tsunami at Kalapana; earthquake not felt there."not in VL; no trace; threshold mag not in VL 515 VL 515, p. 6(off south shore; felt-volcano to NaalehuEHilina fault at Poliokeawe pali 3.5 mi N45W of Kaena pt; felt-Naalehu ml swr deep?h9200 ft SW rift, 35 km from ml seismometer; ml mag 4.4-4.9; VL 516, p. 7; HTH, Apr. 11, 1952; HVO, unpubfelt 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; additional felt reports in HVO, unpub%moderate? or shallower?; VL 516, p. 7Sfelt-Kona to; intensity III; Capt. Cook (Greenwell diary)-good one, rattled windowsnot felt!; VL 513, p. 6SW rift near pit craters V (VL; S&C)9Honolulu amplitude average of two readings; not in VL 5157mag agreement improved if closer to shore; VL 515, p. 7signal:noise ~1VL 515, p. 7; HVO unpubooff south shore, felt at Naalehu and Pahala; Pahala-III to V, shook house, rattled windows, house and bed moved+off south shore, felt at Naalehu and Pahalasignal:noise = .5-1signal:noise =1.5-2deeper?kuer sf offshore#mag agreement ok if closer to shoresignal:noise <1Qrepeat; 1.5mm, 1.2s or 3mm, 4s; noise 0.7mm, 1.2s; eve< nt is at start of teleseismNaalehusignal:noise ~2.5+VL 515, p. 7; HVO unpub; HTH, Mar. 28, 1952Honolulu data average of two readings; depth 23 km; moderate?, shallower?; VL 519, p. 6; HTH, Feb. 8, 1953; additional felt reports in HVO, unpubeast Puna; felt-Punaunreadable recordcentral Kona; assume 10 km from Kona; felt-Kona to Hilo; Kealakekua-strong and short; Hilo-II, very light; preferred magnitude calculated as average of Honolulu and nomogramdetected; timing uncertainf-felt (m-kona)SW 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 ml wf?/ VL 514, p. 5; HTH, Nov. 8; 9, 1951; HVO, unpub3 mi WNW of Napoopoo-prob on Kealakekua fault; strong-all Hawaii island, also Maui, Oahu, much damage on w side Hawaii; Warshauer notes: see W&K; Kapapala-severe quake followed by smaller shocks, last at 6:16 am, phone service disrupted, no major damage min amplitude*record being changed--not separately in VLnot 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]obscured in mainshockFnot in VL 513; found on Hon film record, largely obscured in mainshockrecord being changed strong-kona?e rift 7 mi SW of Pahoa; felt-Kapapala to Hilo and east Puna; Warshauer notes: A strong earthquake was felt all over the Hilo and Volcano districts at 8:19 last night["strong" classification inconsistent with indicated hypocenter, lack of felt report and lack of record in Honolulu; slight?]; VL 515, p. 6#Hilina fault 3 mi e of Puu Kapukapuno trace-recheckedAlocation reasonable?; VL 515, p. 6; HTH, Feb. 2, 1952; HVO, unpubBnoise 0.5mm, 1.5s; Honolulu time 23:38; VL time of 23:53 in error? mod (st-kona)Honolulu amplitude average of two readings; ["strong" classification inconsistent with indicated hypocenter, lack of felt report and record in Honolulu; Honolulu record agrees with mag 3.69 using classification "slight"]; VL 515, p. 6e rift 1 mi e of Napau craterIfelt?; Kapapala ranch (11:15 am-time off by one hour?)-slight earthquake=felt-Kona to volcano; Capt. Cook (Greenwell diary)-big shaker5closer? or moderate at Kona; VL 513, p. 6; HVO, unpubnfelt-Kona to Kapapala; Kapapala ranch (6:20 am)-slight earthquake; Capt. Cook (Greenwell diary)-0630, good onecalculated mag low; strong signal lost in swarm?, or deeper?; Honolulu amplitude average of two readings; VL 510, p. 4; HTH, Dec. 9, 1950Kealakekua 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"repeat; noise 0.5mm, 2se rift near Alae cratersignal:noise = 2strong classification inconsistent with indicated hypocenter, absence of a record in Honolulu, and limited felt reports; "slight" yields calculated mag 3.77; error in VL 512, p. 5?; HTH, Apr. 23, 1951; HA, Apr. 24, 1951off south shore not in VL; noise 0.7mm, 1.5sslight? on Bosch-Omori4.8-5.3 VL 515, p. 7off south shore; felt-Naalehu2no trace; threshold mag; similar to event at 19:024.6-5.18Honolulu amplitude average of two readings; VL 515, p. 7 kl swr sf osoff south shorefilm time approx 01:41SW rift 2 mi SW of Mauna Iki; felt-volcano; Warshauer notes: fairly strong at 6:35 a.m.; larger aftershocks felt by many residents of Hilo. VL 513, p. 6; HVO, unpub; HTH, Sept. 17, 1951Kaoiki fault 3 mi NE of Kapapala; felt-Kona to Hilo; felt-Hilo-III to IV; Hilo-III 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 damages-felt (m-kona)Kona mag VL 4.3-4.8; closer to Kona?; preferred magnitude averages Whitney, Kona and two Honolulu magnitudes; VL 513, p. 6; HTH, Sept. 25, 1951ydo; felt generally-n Kona; Warshauer notes: see above; preferred magnitude calculated as average of Honolulu and nomogram VL 514, p. 4; HVO, unpubY6 mi w of Pahoa; felt-Hilo to volcano; Hilo-II, typical local quake, one short quick jerk vf (sl-ml)Dmag ml 3.9-4.3; fits if ml seismometer f instead of s; VL 512, p. 5 9 mi w of MokuaweoweoVIII; VIII (W&K; S&C)isoseismal 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, Aug. 21, 1951; HVO, unpub; see also bib for detailed felt reports VL 515, p. 7; HTH, Mar. 31, 1952off south shore; Warshauer notes: Quakes off south coast total 2995. The only heavy earthquake in the past 24 hours came at 1:53 p.m. Sunday.kl sf ossignal:noise = 1.5signal:noise = 1could be shallow; VL 516, p. 7e rift near Makaopuhi crater+not separately listed in; HTH, June 6, 1950record exposedml mag 3.9-4. 4; VL 514, p. 4#3000 ft NE rift; felt-volcano, HiloVI; VI [USE; S&C] s 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 Kapapala5NE rift; both components of ml seismograph dismantled VL 504, p. 5VL 510, p. 4; HTH, Dec. 12, 1950; Note: discrepancy between 200/day in newspaper story and about 30/day in VL can be explained by quakes smaller than very feeble VL 513, p. 6 [Calculated nomogram magnitudes for the mainshock and for aftershocks 8/21-8/2VL 4 are consistent only if qualitative magnitude classifications reported in the Volcano Letter apply to the Kona seismometer; 10 km distance assumed]/origin near preceding quake; felt strongly-Kona obscured in mainshock; not in VL?Honolulu data average of two readings; not separately in VL 513+obscured in mainshock; not separately in VLKHonolulu data average of two readings; not separately in VL 513; HVO, unpubY offscale-no reading taken; film time 7:10; misprint in Cox?; s-p 12s (distance = 100 km)detected; +/-0.3<1'short duration-close to station or deepdetected-signal:noise ~1 VL 511, p. 4; HTH, 1/6/51YSW rift 8000 ft; Warshauer notes; felt in Hilo and, no report from Volcano, probably deep slight (m-ml)%ml mag 3.8-4.3; N-L low; VL 511, p. 4kKaoiki fault near Ainapo; felt-Kapapala; preferred magnitude calculated as average of Honolulu and nomogramdetected; noise 0.5mm, 1s ml ner deep ml mag VL 4.0-4. 5; VL 511, p. 4nearly 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-IV; Hilo-II to III, rattled windows; Kukuihaele-V>4.4Warshauer 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 craterhUS C&GS location given as latitude 20 N; Longitude 155. 5 W; wrong?; not in VL 508; HTH, June 14, 1950felt 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 quaketnear Kamakaia hills; felt widely; Warshauer notes: dismantled seismographs at HVO, ml and Hilo; felt in Hilo and Kau%not in VL; detected-signal:noise ~2.5IV?!not in VL 510; HTH, Dec. 11, 1950>4.3strong classification inconsistent with indicated hypocenter, absence of a record in Honolulu, and limited felt reports; Hilo (s) yields calculated mag 3.90-4.38; error in VL 512, p. 5?; HTH, Apr. 26, 1951e rift near Makaopuhi crater; felt-volcano; Warshauer notes: An earthquake described as "strong" was recorded on HVO and Hilo [slight] seismographs at 3:57:44 this morning. VL 512, p. 5 Waimea plain, 6 mi e of Waimea5Kaoiki fault 3 mi SW of Pahala; felt-Pahala,, volcanokl glnVL 512, p. 5; HVO unpubKamakaia hills; Warshauer notes: dismantled HVO and ml seismo< graphs; felt in Kau, most strongly at Kapapala, and probably in Hilo VL 510, p. 4; HTH, Dec. 11, 1950knear Puu Ohale; Warshauer notes: dismantled HVO and ml seismographs; felt in Kau, most strongly at Kapapala>4.6Kamakaia hills; felt widely; Warshauer notes: strongest of series; dismantled HVO, ml and Hilo seismographs; felt in Kau and Hiloisoseismal map in W&K; Kealakekua fault 3. 5 mi w of Napoopoo; VL 516, p. 8 [damage report on p. 6]; HTH, May 2VL 4, 1952; additional felt reports in HVO, unpub8Honolulu amplitude average of two readings; VL 510, p. 4$SW rift below upper end of 1823 flow*Kona mag 3.6-4.1; VL 514, p. 4; HVO, unpub`central Kona; assume 4 km from Kona; felt-Kealakekua ; Kealakekua-III, stronger than one at 4:45not separately listed in VL 508Bpreferred magnitude calculated as average of Honolulu and nomogram moderate?2not separately listed in VL 508; HTH, June 6, 1950Warshauer 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 feltNE 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?]depth shallower than preceding quakes; Warshauer notes: Earthquakes which had been shaking the southern end of the Big Island at an average of about 200 a day since last Friday noon had diminished to 85 in the 24-hr period preceding 7:30 a.m. this morning*N-L high; VL 510, p. 4; HTH, Dec. 26, 1950south of Kilauea Iki; felt widely; Warshauer notes: A plainly felt earthquake accompanied by a loud rumble and a roar startled many Hilo and volcano residents out of their sleep early this morning; preferred magnitude calculated without N-LgHonolulu data average of two readings; not separately listed in VL 508; may be feeble instead of slight detected?-slight line thickeningrepeat; noise 0.15 mm, 1snot 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?Gearthquake swarm; 10 events (t), not separately listed in VL 508, p. 12Honolulu 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?repeat; noise 1.0mm, 2srepeat; noise 0.8mm, 2s!not in VL 508; HTH, June 13, 1950sWarshauer notes: Two rather strong earthquakes were registered at the Hawaiian volcano observatory Sunday [June 11] not in VL 508$not in VL 508; HTH, June 1VL 4, 19503 mi ENE of Mokuaweoweo [location changed to Kaoiki at same distance to fit felt reports]; felt strongly-Kapapala, weakly-Hilo to hnpkl kuer sf os deep8Honolulu amplitude average of two readings; VL 505, p. 4!8 mi SSE of Apua pt; felt-volcanonoise 0.5mm, 1.5s IV; V (W&K)GHonolulu data average of two readings; VL 505, p. 4; HTH, Sept. 2, 1949Kaoiki 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]minimum amplitude! VL 506, p. 4; HTH, Nov. 18, 1949if slight, must be kcaldeep; Warshauer notes: dismantled HVO and ml seismographs; felt in Kau, most strongly at Kapapala, and probably in Hilo%not in VL; detected-signal:noise ~1.5 moderate near Kamakaia hills; Warshauer notes: dismantled HVO and ml seismographs; felt in Kau, most strongly at Kapapala, and probably in Hilobelow Kamakaia hills; Warshauer notes: dismantled HVO and ml seismographs; felt in Kau, most strongly at Kapapala, and probably in HiloyMauna Loa [closer to Kilauea?]; Warshauer notes: the second shock (see above) was weakly recorded on the Hilo seismographnoise 0.4mm, 1.5sseismogram 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 508atimes for events from June 3-14 taken from Honolulu film-not given in VL; no trace; threshold magassume no trace]possible detected on one Hon seismometer at this time; not separately listed in VL 508, p. 12 detected?off south shore; felt-Naalehu, Pahala; Pahala-shook house, rattled windows; IV, shook bed; Warshauer notes: The quake at 10:43 p.m. was reported by a Naalehu resident as "quite strong" and was felt rather longer than usual.kl kuer sf os?detected-signal:noise = .5w 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 Kealakekuarepeat; noise 0.5mm, 1.5s IV (W&K); III"closer? or moderate?; VL 504, p. 5Rboth ml seismograph components dismantled; Mokuaweoweo; felt-Holualoa, Kealakekua,ml wf VL 504, p. 5 w slope Mauna Loa; felt-Holualoa&detected; noise 0.6mm, 1.5s-do not use V (W&K); IVdetected; noise 0.3mm, 1.5s4.3-4.8 kl swr sf?peak trace invisible VL 498, p. 3pNeumann-LeBarre seismometer not calibrated until October 1, 1946; N-L magnitudes not used in catalog; s-p = 32 s 494, p. 7e of Kilauea crater; felt-hnp; awakened people; Warshauer notes: Residents of the volcano district were jarred by two "fairly sharp" temblors at 2:28 and 2:31 a.m. today. Both quakes were felt generally in the volcano district. No reports from elsewhere.3.5-3.9 VL 501, p. 3e of Kilauea crater; felt-hnpslight?; VL 501, p. 3Warshauer notes: see abovee 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 hnp3N-L high, M-S low; VL 498, p. 3; HTH, Dec. 15, 1947felt-hnp, Hilo; Warshauer notes: deep earthquake 20 mi under Kilauea; rattled windows and dishes in the Hilo, Volcano and Kau districts; pronounced vertical motion; felt quite plainly in hnp region, acc. by a rumble; dismantled mlo and HVO seismographs &s slope Mauna Loa near Punaluu Kahawai4.7-5.2,shallow on Honolulu seismogram; VL 505, p. 3_e rift near Kapoho [Honolulu magnitude suggests either deep rift event or adjacent south flank]'alternate reading: 3 mm; 0.5 sec (M4.5) closer? or slight?; VL 505, p. 3se 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.(light trace-approx amplitude; s-p = 34 sN-L low?; VL 501, p. 3 Mokuaweoweo VL 502, p. 3"mauna loa" in VL#closer? or slight?; VL 503, p. 7, 8A2 mi NE of Mokuaweoweo; one of the strongest quakes of the seriesKHonolulu amplitude average of two readings; VL 503, p. 8; HTH, Jan. 8, 1949signal/noise about 1.5 s-p = 35? s VL 508, p. 12; not found in HTHrecord missing!!~isoseismal map in W&K [W&K prefer Kona location, which we accept]; VL 508, p. 12; additional felt reports in HTH, May 30, 1950upper 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 and Hilo seismographs dismantledGHonolulu data average of two readings; VL 508, p. 12; HTH, May 31, 1950^calculated mag low; strong signal lost in swarm?, or deeper?; VL 510, p. 4; HTH, Dec. 11, 1950" VL 503, p. 8; HTH, Feb. 28?, 1949NE rift 7000 ft; felt strongly-Hilo to; Warshauer notes: located in Kilauea area [conflicts with location], dismantled seismographs at hnp and Hilo; quake strongest in Hilo in several years, also strong at hnp s-p = 33 skl koae? VL 503, p. 8s slope Kilauea felt-Pahala felt-pahala closer? or slight?; VL 504, p. 5Kaoiki fault; felt-&detected; noise 1.0mm, 1.5s-do not useVI; V (USE; S&C)Honolulu data a< verage of two readings; distance given from crude isoseismal map--assumes strong on Kona seismograph; VL 504, p. 55000 ft east slope Mauna Loa; felt widely-Hawaii island; quake awakened many on Big island; particularly strong at, Hilo and hnp; described as "moderate to strong", dismantled seismographs at Mauna Loa, Hilo and HVO (one component) VL 500, p. 4!e slope Mauna Loa; felt-hnp, HiloEcloser to Kilauea? and/or shallower?; VL 500, p. 4; HTH, May 24, 1948Hualalai; Warshauer notes: An earthquake originated deep under Hualalai at 11:33 a.m. Saturday. The temblor was felt in the volcano district.NE rift; felt-hnp.wrong date (6/26) in VL-seismograph dismantledVI; VI (Cox; S&C)-near Kapapala; felt generally-e Hawaii islandm VL 498, p. 3; not found in HTHGMokuaweoweo; felt widely-e half Hawaii island; clocks stopped in s Konarecord not on film4.5-5.0FHonolulu data average of two readings; VL 504, p. 5; HTH, May 23, 1949east of Kilauea crater; felt generally-s Kona to Hilo; Warshauer notes: Roused sleepers all over island, duration > 1 min; toppled radio antenna and caused a hole to form in Hilo; movement horizontal and vertical; dismantled all seismographs on island SP Vert (N-L)near, 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. 3slight?; VL 474, p. 352 mi from HVO; felt widely V (W&K; USE)BNE slope Mauna Loa 1 mi e of Mauna Loa seismograph; felt-hnp, Hiloobliterated by electronic noise 494, p. 7; HTH, Nov. 5, 1946NW 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 coastapproximate amplitudeNE rift; felt hnp, Hilo VL 501, p. 3light trace-approx amplitude" VL 501, p. 3; HTH, Sept. 13, 1948VHonolulu data average of 2 readings; N-L mag high; VL 498, p. 3; HTH, Dec. 2VL 4, 1947DMokuaweoweo; felt-e half Hawaii island; Warshauer notes: widely felt! VL 498, p. 3; HTH, Dec. 24, 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 499, p. 3; HTH, Jan. 9, 1948 [time differs from--same quake or a separate one, possibly kl cal deep, not recorded in VL 499?]10-15 miles deep under Alae crater; Warshauer notes: A sharp earthquake rocked the Big Island at 12:55 a.m. today, awakening residents of the Kilauea volcano area, Hilo and other areas.detected-origin time: 10:48-signal:noise = 0.5 ml swr deep|closer? normal Kaoiki depth?; VL 503, p. 8; HTH, Jan. 15; 16, 1949 [ time given as 12:40 a.m.-newspaper time fits Hon time]e of Mauna Iki; felt widely; Warshauer notes: Beginning at noon yesterday [Dec. 8] the volcano area up to 10:30 this morning was rocked by over 300 earthquakes. The two strongest quakes were at 7:29 p.m. Friday and at 5:43 a.m. this morning.detected-signal:noise ~1.5Vertical s-p and l-p (Keller?) VL 506, p. 4%NE rift near Puu Ulaula; felt-Hilo tono record-lamp outisoseismal map in W&K; e rift near Kilauea crater; VL 512, p. 4; damage report on p. 1-3; HVO unpub; HTH, Apr. 23, 1951; HA, Apr. 23, 1951; preferred magnitude calculated as weighted average of Milne-Shaw av (1), Berkeley, Pasadena and W&K (all 1) kl cal 0-5? VL 506, p. 4n end Kilauea crater; felt-hnp$ VL 507, p. 3; HTH, Feb. 1VL 4, 1950nfelt-hnp, Hilo; Warshauer notes: The earthquake that shook the volcano area yesterday about noon was "slight". SP Vert (SPN)Ashallower?, closer? or moderate; VL 507, p. 4; HTH, Mar. 25, 1950Afelt-Kona to volcano; Kapapala ranch (10:00 am)-slight earthquakeOhaikea; Warshauer notes: a slight temblor at 11:47 p.m. originated under the east slope of Mauna Loa; plainly felt at; [same as the moderate quake in at 11:57?}repeat; noise 0.6mm, 1.5s VL 503, p. 8; HTH, Jan. 27, 1949`e slope mauna loa; Warshauer notes: [an earthquake] at 12:04 a.m. today was also under Mauna LoaGHonolulu data average of two readings; VL 503, p. 8; HTH, Feb. 26, 1949e slope mauna loaN-L low?; VL 503, p. 8Ue slope Mauna Loa; preferred magnitude calculated as average of Honolulu and nomogram V (USE); IVCox, 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, June 28, 1948; see bib for more complete damage report; preferred mag calculated as average of nomogram and CoxOahu; 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.<N-L low; VL 501, p. 3; HTH, July 30, 1948; HTH, Aug. 5, 1948aftershock of 6/16/40 earthquake; felt-Hawaii, Maui, Oahu; Warshauer notes: another aftershock classified between slight and moderate; Hakalau-moderate quake felt; Kealakekua-v slight shake of 2 sec dur, felt by a few; Paauhau-III, 2 sec medium vibration,"invisible trace, amplitude guessed VL 468, p. 12 aftershock of 6/16/40 earthquaketrace too light-can't readdo; 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?]aftershock-no traceaftershock?-not in VLmokleave out of catalog aftershock9minimum amplitude; reread 20mm, 1s (M5.00); noise 1mm, 1smoderate?; VL 474, p. 4/near; felt generally Hawaii island, few on MauiV-VI VL 475, p. 2-16 mi from HVO; felt-hnp; broke dishes at KMC hilo deep:farther away? or moderate?; VL 475, p. 2; not found in HTH<8 mi SW of Hilo; felt-Hilo, hnp; Hilo seismograph dismantledfilm time is 4:15Rn end Kilauea crater; felt-hnp, awakened many, dismantled HVO and mlo seismographs'time 5:16; no trace-threshold magnitude kaoiki deep[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; 494, p. 7; HTH, Nov. 5, 1946e 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. VL 499, p. 3e slope Mauna Loa; felt-hnp! VL 499, p. 3; HTH, Jan. 15, 19488Mauna Kea summit; felt-hunters at 10,000 ft on Mauna KeaMauna 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.Capt. Cook (Greenwell diary)-pleasant little shake, they're growing again; key to aftershock intensities: windows rattle = I-II, slight = II, pretty good one = III or IV, jar = explosion type, jolt = larger explosion type, dog barks at I = III or greater!;21 f and vf aftershocks between 1:29 and 3:50; VL 513, p. 6Rfelt-Kona to volcano; preferred mag calculated as average of nomogram and Honolulunoise-0.4mm, 1s VL 513, p. 6felt-Kona to volcano VL 513, p. 6)closer? or moderate at kona; VL 513, p. 6 slight-kona? VL 513, p. 6; HVO, unpub2.7-3.1felt 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.2well-detected: trace obscured during record changeHonolulu amplitude average of two readings; N-L high; M-S E-W detected; not read because record was being changed; VL 499, p. 3; HTH, Mar. 20, 1948 deep Kilauea; felt-Hilo to Naalehu; Warshauer notes: A sharp temblor shook the Big Island at 4:18 p.m. Friday, the strongest in three months; a vertical quake, strongly felt in the volcano area and in most area< s of Hilo RHonolulu data average of 2 readings; shallower?; VL 497, p. 3; HTH, Sept. 22, 1947deep 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 rumblingA=2010 mm-peak trace invisiblerepeat 0.5mm; noise 0.5 mm, 1s;N-L peak trace invisible; VL 497, p. 3; HTH, Sept. 30, 1947\aftershock of 6/16/40 earthquake; felt-Hawaii, Maui, Oahu; Warshauer notes: a moderate quakeV (S&C); III (hamakua)-VL 468, p. 12; HTH, June 17, 1940; HVO, unpubfelt 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 Hawaii9film time: 1h 42m 10s; origin time from 01:40:55-01:41:154.3-4.7CHonolulu amplitude average of two readings; VL 464, p. 6; HVO unpubhnp-VIhigh-frequency signalm-st7shallower?; VL 464, p. 6; HTH, June 1, 1939; HVO, unpubHonolulu data average of two readings; nomogram agrees only if earthquake is "feeble"; error in VL?; VL 468, p. 12; HSB; HTH, June 17, 1940VL 462, p. 3; HVO unpub+felt-Kapapala; Kapapala (time 10:10 am)-III3.2-3.7/3.2 mi from HVO; 0.6 mi w of Kokoolau; felt-hnpVL 462, p. 3; not found in HTHfelt strongly-Kapapala, Pahala3.9-4.4 kl gln deep VL 462, p. 5; HTH, Oct. 26, 1938 mauna kea os VL 469, p. 540 mi NE of Hilooffshore 12 mi NE of Ookalau.s eqlW&K report M 5.5-not derived from felt area; VL 469, p. 5; HTH, July 16, 1940; HA, July 18, 1940; HVO, unpube 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. time 5:16VL VL 494, p. 7e slope Mauna Loaapproximate amp; s-p = 30 s VL 494, p. 7felt-e Hawaii island SP E-W (N-L)N-L high?; VL 495, p. 6NE rift2.5-2.9eaverage distance and depth assumed from modern catalog locations of near-caldera events; VL 495, p. 6 Kilauea in VL&record disturbed-strong event detected? VL 508, p. 12; Honolulu data average of two readings; N-L low?repeat; noise 1.0mm, 1sfaverage distance and depth assumed from modern catalog locations of near-caldera events; VL 508, p. 12Mnewspaper depth used; closer? or slight?; VL 506, p. 4; HTH, Nov. 2VL 5, 19498Honolulu amplitude average of two readings; VL 511, p. 43e rift 3 mi ENE of Napau crater; felt-volcano, Hilorepeat; noise 0.5mm, 1sHonolulu amplitude average of two readings; mag agreement improved if shallower (20 km or less); epicenter estimated non-instrumentally, its location only approximate; VL 512, p. 2, 4; HVO unpubHe rift 7 mi S15E from Glenwood; felt-Kapapala, volcano to Hilo; Hilo-III>5.0 very strongVII; VII (USE; S&C)spreng. N-S vert bad recordxe slope Mauna Loa; felt widely-most of Hawaii island; preferred magnitude calculated as average of Honolulu and nomogramkl koae VL 503, p. 810 mi SW of Waimeadetected; noise 0.8mm, 2sGHonolulu data average of two readings; VL 503, p. 8; HTH, Jan. 27, 1949! VL 496, p. 3; HTH, June 30, 1947e 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 tos-felt VL 497, p. 3"e slope Mauna Loa; felt-hnp,, Hilo$VL 497, p. 3; HTH, Aug. 18; 19, 1947,repeat; alternate reading 2.0, 1.5s (M4.82)$no trace; similar to preceding quake;similar to preceding quake on Honolulu record; VL 492, p. 7location assumeddNeumann-LeBarre seismometer not calibrated until October 1, 1946; N-L magnitudes not used in catalog 493, p. 3NE slope Mauna Loa; felt-hnpnNeumann-LeBarre seismometer not calibrated until October 1, 1946; N-L magnitudes not used in catalog; no trace|[not sure whether s-p horizontal has the same characteristics as the Neumann-LaBarre instrument after Nov., 1946]; 493, p. 3"NE slope Mauna Loa; felt-hnp, Kona& 493, p. 3; HTH, Sept. 5; Oct. 6, 1946near 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 Oahu VL 474, p. 3; HTH, Nov. 18, 1941"SW slope Mauna Loa; felt-hnp, Hilooffshore?; VL 485, p. 3 NW Hawaii*shallower?; VL 486, p. 3; not found in HTHdeep focus, near Ookala VL 486, p. 3Mauna Kea; felt-Hilocdepth increased to match Hon magnitude consistent with felt reports; VL 486, p. 3; not found in HTHaSW of Halemaumau; felt widely-s half Hawaii island, dismantled seismographs at Hilo, Kona and HVOsignal:noise ~2 do; felt-hnpVI; VI (USE; S&C) VL 486, p. 3; HTH, Dec. 27, 1944felt 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 V (S&C)felt entire Hawaii island, dismantling all instruments; Warshauer notes: felt in all districts of Hawaii island, also Oahu [denied, HTH May 26]; objects knocked from shelves in volcano district; duration 15 sec (felt), 6 min (instr.); deep Kilauea originrepeat4.0-4.5 VL 464, p. 6lanai sexattenuated at Whitney?; VL 464, p. 6; HTH, May 30, 1939; HA, May 30, 1939; additional felt reports in bib and HVO, unpubmainshock: felt-all islands ex Kauai; Warshauer notes: strong at Kohala, lasting for a full 30 seconds; slight in Hilo, felt by many; Paauhau-III, single brief very noticeable vibration; Ulupalakua (Maui)-light shock, dur 20 sec, visible bouncing of bed very feebleVL 469, p. 5; HVO, unpub'deeper?; VL 486, p. 3; not found in HTHdo; 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?]VL 486, p. 3; not found in HTH wood valleynoise 0.8mm, 1.5s VL 487, p. 56e rim Kilauea crater; felt widely-s half Hawaii islandrepeat; noise 0.8mm, 1.5s9VL 487, p. 6; VL date wrong-Honolulu record shows march 59SW rift; felt widely Hawaii island; stopped clocks s Kona kl kuer sf?felt 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-VI; Paauhau-III, quite sharp, dur 5 sec; Hilo-slight, felt by mostfilm time: 11h 42m 42sHonolulu amplitude average of two readings; possible surface waves noted on the Honolulu seismogram; VL 464, p. 6; HVO unpub; HTH, June 12, 1939; weaker than earlier 4 shocks; felt dur 30 secstrong? or deep?; VL 475, p. 2; HTH, Feb. 21, 22, 1942; HSB, Feb. 21, 1942; time given as "shortly after 9 a.m. today" [Hawaii war time one hour later]felt 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 House VL 495, p. 6; not found in HTHaNE rift; felt generally-e Hawaii island; mag calculated assuming "slight" fits felt report betternoisy; threshold mag ml mok deep VL 510, p. 4location onshore would be more consistent with modern catalog and give better mag agreement with Hon consistent with felt report; VL 487, p. 6; not found in HTH@in ocean off Puna-Kau boundary; felt-hnp, dismantled seismograph3.7-4.2 kl kuer sf os VL 487, p. 63off coast south of Kilauea; felt-east Hawaii islandlost during record change2.9-3.4kilaueadeep under Kilauea; felt locally and at Naalehu; E-W seismograph dismantled; Warshauer notes: An earthquake at 9:52 AM was felt as far as Hilo.missing record! VL 497, p. 3; HTH, Aug. 19, 1947Mauna Loa in; felt locally and at; Warshauer notes: felt at and Kapapala, "much stronger" than the [Kilauea] quake at 9:52 a.m. Aug. 18 near; felt widely Hawaii islandVI; VI (USE); V (W&K; S&C)VL 482, p. 2; not found in HTHefelt widely southern half Hawaii island; stone walls thrown down SW of Pahala; dismantled instrumentsshallow2closer? or feeble< ?; VL 482, p. 2; not found in HTH$deep under Mauna Loa in; felt widelyHonolulu amplitude average of two readings; s-p on Honolulu record, felt report, and magnitude suggests ler sf; ed assumed for mag agreement; VL 492, p. 7 felt-hnp, Hilo SP N-S (N-L)Neumann-LeBarre N-S short-period instrument in operation as of May 1, 1946; seismometer not calibrated until October 1, 1946; N-L magnitudes not used in catalog; s-p=38 s+repeat; alternate reading 1.0mm, 1s (M4.86)52 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 Hamakua VL 474, p. 3; HTH, Nov. 21, 1941~52 mi from HVO; felt generally north Hawaii island; Warshauer notes: felt in northern portion of island and by several in Hilo}near 52 mi from HVO; newspaper time accepted; Warshauer notes: felt in Hilo; felt at and perhaps other places in north Hawaiiisoseismal map in W&K; VL 468, p. 12 [detailed felt report given]; HSB; HTH; HA, June 17, 1940; additional felt reports in HVO, unpubVpreferred magnitude not assigned because seen on only one component of the Milne-Shawnot in VL; noise level = 0.5Vnot in VL; signal:noise ~1.5-deeper?; reread-part of a teleseism, removed from catalog<3.793.3-3.8 VL 462, p. 3felt-Hookena, Kamuela; Warshauer notes: The entire island was rocked by an earthquake at 7:34 a.m. Sunday; estimated to originate in Hualalai direction. ; Hookena-IV (7:02 am-same event?), building creaked, hanging objects moved kl kuer sf8assume normal south flank depth; VL 444, p. 7; HVO unpubRfelt by many in Hilo, hnp; hnp/volcano-2 slight shocks, 1 long shock, felt by manynoisy record; threshold mag4.2-4.7 VL 446, p. 7,VL 446, p. 7; HTH, Apr. 19, 1937; HVO, unpub3mag agreement better if shallow; VL 426; HVO, unpub,felt-volcano, Pahala, Hilo, Hakalau, HookenamlswrJseismogram pictured in VL 444, p. 3; VL 428; HTH, Oct. 1, 1935; HVO, unpubfelt-Hilo, hnp; Warshauer notes: An earthquake, classified as slight at Kilauea observatory, was sharply felt in Hilo yesterday about 12:20 p.m. s (kona?)\better fit if distance referenced to Kona, not Whitney; shallower?; VL 462, p. 5; HVO, unpubaftershock of 7/15/40 earthquake; felt-Paauhau, Maui (Ulupalakua); Ulupalakua (Maui)-extremely slight, horizontal e-w motion, double shake with half sec separation; Paauhau-II, single vibration, brief and very weakIV (S&C); V (USE)KW&K report M 5.5-not derived from felt area; VL 469, p. 5; not found in HTHfelt generally Hawaii island*VL 471, p. 4; not found in HTH; HVO, unpubctime changed to agree with newspaper and postcard data; VL 464, p. 7; HVO unpub; HTH, June 19, 1939b[Times are Hawaii war time one hour later]; strong? or deep?; VL 475, p. 2; HTH, Feb. 21, 22, 1942Gdo; felt widely; another and stronger shock occurred at about 9:14 a.m.L[Times are Hawaii war time one hour later]; VL 475, p. 2; HTH, Feb. 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.e 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 seismographs$record obscured-improperly developedeaverage distance and depth assumed from modern catalog locations of near-caldera events; VL 499, p. 3closer? or feeble?; newspaper location (approx 6VL 5 km from HVO gives better fit than location (9VL 5 km from HVO); VL 499, p. 3; HTH, Mar. 10, 1948closer? or feeble?; 491, p. 5felt-n Kona, s Kohala ml mok deep? 492, p. 7mauna kea deepN-L high?; VL 496, p. 3\moderate depth under Kilauea; felt locally and as far as Papaikou; MLO instrument dismantled(detected-signal:noise ~.5; max amplituderepeat; noise 4mm, 1ssignal:noise ~.53shallow under Kilauea; felt locally; e-w dismantledVL 479, p. 5; not found in HTH(e slope Mauna Loa; felt-Kapapala to Hilo!VL 480, p. 3, 4; not found in HTH[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 islandcloser?; Calc mag accepted on the basis that there may have been high background noise on the Honolulu seismogram preventing the earthquake from being seen; VL 480, p. 4; not found in HTHKHon magnitude average of two readings; VL 474, p. 3; HTH, Nov. 15; 21, 1941o52 mi from HVO; felt-; Warshauer notes: felt at; felt in, Kohala, north Kona, Hamakua and [probably] at Kilauearepeat; no trace-line thickenedrepeat\5VL 474, p. 3; HTH, Nov. 15; 21, 1941; not found in HAfelt-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-IV, building shaken; Hilo-felt slight-felt.3.5 mi from HVO; near devil's throat; felt-hnpisoseismal map in W&K; [location given in VL (19.6, 155.18-Mauna Loa NE rift) disagrees with felt reports which strongly favor kl sf]; VL 424; HVO, unpub; HTH, June 28, 1935dismantled seismographs; some damage in Hilo; felt generally Hawaii island; extensive felt reports in HVO, unpub; Warshauer notes: hard in Hilo/Kapoho, less in Kona//Kohala; preferred magnitude calculated as an average of GUTE, W&K, and Honoluluthick trace at 15mm/sec3.7-4.3kl merVL 425; HVO unpub>near Makaopuhi crater; Hilo-felt at two places, not at a thirdnoise 1.8mm, 1.5s no repeatmlner/detected-signal:noise ~1.5; 1.5s period assumed4.4-5.0 kl mer sf os?%VL 412; HVO unpub; HTH, June 27. 1934felt-Hilo,, HVO; more detail given in HVO unpub; Warshauer notes: felt strongly in some parts of Hilo, and more generally on the island; no damagehiloKHonolulu data average of 2 readings; VL 414; HTH, Aug. 16, 1934; HVO, unpubHualalai; felt-volcano, Hilo, Kamuela, Puu waawaa (strong); Warshauer notes: felt sharply throughout island, more in Waimea and; v strong at; additional felt reports in HVO, unpubno trace-thicker background kohala deepfelt generally-Hawaii island, strongest in Hilo and hnp; Kealakekua-short tremor, slight shake, short tremor; hnp-III, wakened persons; Warshauer notes: Hilo-wakened person, prolonged rattling of windows/doors; dismantled instruments+repeat; surface waves signify shallow depth4.2-4.8&VL 404; HTH, Oct. 21, 1933; HVO, unpubfelt all Hawaii island; Warshauer notes: severe shock felt all island, equally severe shock few sec later; felt all Hilo, v strong at Kapapala; additional felt data in HVO unpubfelt-Kona,; Hookena-V, 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 shockfeeble-felt (kona?)ml swr8shallower?, or slight?; VL 495, p. 6; HTH, Mar. 20, 1947above 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.film time 21:14closer?; VL 503, p. 8ocean w of Kohala:film time 21:14; light trace-approx amplitude; s-p = 22 s?f?-feltVlooked for, not found on Hon film record; HTH, Jan. 27, 1949 [not reported in VL 503!]uWarshauer notes: A moderate [cannot be-feeble? or slight?] earthquake, about 8:30 a.m. Wednesday, was plainly felt inXCox, 1986; foreshock of June 28, 1948 quake? not recorded at Whitney vault; VL 499, p. 3 felt-Oahu+N-L high?; VL 499, p. 3; HTH, Jan. 27, 1948NE 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 Hilocloser?; VL 499, p. 3SW slope Mauna LoaVdeeper?, farther away? or moderate?; Honolulu mag too high for felt< report?; 490, p. 3Fe flank of Mauna Loa; felt-hnp, Pahala, Hilo; e-w component dismantleddeep? 491, p. 5)near coast below Pahala; felt-Kau, s KonaNE rift; felt-hnp, Pahala, Hilomiddle SW riftn 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^mags agree if amplitude referenced to distance from Kona seismometer; VL 465, p. 6; HVO, unpubSfelt strongly-Puu waawaa; Holualoa-VI, a good strong quake giving everyone a frightslight-moderate5feeble-slight?; shallower?; VL 468, p. 12; HVO, unpubfelt-Hookena, Kealakekua, hnp; Kealakekua-slight tremor followed by shake that dwindled away, dur 5 sec; Hookena-IV, slight tremble followed by sharp shake, buildings shook, objects on shelves moved off scaleGUTE maui east+VL 444, p. 6; HTH, Feb. 1, 1937; HVO, unpubfelt all Hawaii island, Maui; Warshauer notes: a strong, slow earthquake, felt severely Hilo, people ran into the streets; felt slightly at Kona; much less at Kapapala than Hilo and volcano; minor damage in n Kohala, duration 26 sec, beg light, end sharp%VL 411; HTH, May 14, 1934; HVO, unpubfelt-HVO, Hilo,; Warshauer notes: Hilo rocked by 2 shocks 3 minutes apart, 2nd more feeble; generally felt, strongly in Kohala, minor damage; Hilo-III-IV, building rocked, felt moderately, furniture rattled;-IV aftershock 2 min later detected?felt sharply Kapapala ranch; Pahala, Naalehu, Hookena, HNP; Hookena-II, water agitated in tank;-II, slight; Naalehu-IV, stone wall down?; Paauilo-IV, building shook, windows rattled; Kapapala-house shook stronglysIIISlooked for, not found on Hon film record; time from felt report; VL 403; HVO, unpub@felt-HVO, Hilo; Hilo-II, slight shaking and creaking of building5.2+ kl ler sf os?7closer?; slight?; VL 404; HVO, unpub.; not found in HTHlightly felt; Kealakekua-prolonged gentle swaying east to west; Hilo-II, felt in Kaumana; preferred magnitude estimated from Honolulu data, consistent with felt reportml nf?llooked for, not found on Hon film record; time given as 5:37-corrected from felt reports; VL 404; HVO, unpub}felt-Hilo, Honomu; Hilo-II, III, mirror swung, building creaked slightly, dur 15-20 sec; Honomu-II-III;-III, building creaked*noisy record-hard to distiguish two eventsfelt generally-Hawaiian island chain; damage report in VL 249; Warshauer notes: Ship captain in Kealakekua Bay felt quake as quivering, watched landslide into bay; time given as 6:23 PM; Kona inn twisted on its foundations; also severe in Kohala and HiloPVL 249 lists time 10:50 AM; WK list time 11:20 AM; neither fits Honolulu recordnot in VL; time from Hon record vst (kona)VII (HTH; USE)VL time 7:08; HA, 9/29/1929felt strongly Puu waawaa; also, Kailua, Hookena, Hilo; Puu waa waa ranch-VI, buildings shook quite hard, some objects fell off shelves; Hookena-II, building shaken; Waimea-rattled windows, dur 15 secVL 471, p. 4; not found in HTH315 mi n of papaaloa near earthquakes of summer 1940 alt 3mm/1 sec VL 471, p. 4NE 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. III? (Cox)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 Hilo Keahole pt$detected; high noise; signal/noise 23Honolulu data average of two readings; VL 495, p. 6"NE slope Mauna Loa; felt-hnp, Hilodetected; noise 2 mm, 1srepeat; no trace; threshold magrepeat; noise; 2mm, 1.5s VL 496, p. 3 felt-Kapapalano trace-noisy record VL 496, p. 33.9-4.5in 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 'closer?; VL 478, p. 4; not found in HTH5SW rift near source of 1868 flow; felt-Hilo to s Konaisoseismal 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, May 23; 24, 1939; additional felt reports in bib and HVO, unpubfelt 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"VL 462, p. 3; HTH, Aug. 8-10, 19384.7 mi from HVO; 0.4 mi SW of Hiiaka; felt-hnp; Warshauer notes: newspaper reports say nothing about quakes being felt outside of volcano and chain-of-craters area#not in VL; no trace; threshhold mag not in VL 462felt-north Kona, Puu waa waa; Warshauer notes: While the Kona district yesterday morning [June 27] experienced one of the worst quakes in the past six years, the entire district being rocked . . .; dishes knocked off in Kona, felt hard at Puu waawaa.Calibration: not KilaueaVI; VI (W&K; S&C); V (USE)time from Hon record; Hon notes: The following shocks with origin in the volcano district on Hawaii Id. were recorded. The period is short, between 1 and 2 seconds, and only the "P" phase is definitely distinguishableV?qPeters, 1929; VL 248: 79 seismic spells in 22 hours felt at Puu Waawaa; WK table shows 9/23 night; should be 9/22V? (BSSA, 1929)=time from Honolulu record-10.5 hrs subtracted; HTH, 9/25/1929UWarshauer notes: the hardest tremor in this city ]Hilo] was felt at 7:45 this morning st (kona)?V? (WK)-time from Honolulu record-10.5 hrs subtracted2assume period 2s for larger shocks, 1s for smaller st (kona)VIII (VL; USE?)in catalog; WK magnitude 6.1 assumes subcrustal depth based on intensity distribution and teleseismic magnitude; HA, 9/26/1929; HTH, 9/29/1929; Maui News, 10/2/1929felt locally; felt Volcano & Hilo, possibly elsewhere; [see below 7/26 at 6:02 in Neumann, 1930; date wrong??]; Warshauer note: two quakes, 2:07 and 6:13 a.m. felt at Hilo and Volcano districtsunknown ESPHVO, v. 3, p. 1002eno felt report; USEQ notes: time 26/12:00 HST [wrong date?]; Waiohinu: felt by few; int II (Waiohinu)eno felt report; USEQ notes: time 26/12:08 HST [wrong date?]; Waiohinu: felt by few; int IV (Waiohinu)ino felt report; USEQ notes: time 27/01:30 HST [wrong date?]; Waiohinu: felt by few; int III-IV (Waiohinu)Ydetected in Honolulu; magnitude calculated near noise threshold; VL 448, p. 7; HVO, unpubNfelt strongly-Kohala, Kamuela; Kamuela-one shake, dur few sec, windows rattleddetected; 1.5s period assumed VL 449, p. 7near Puu Ulaula hualalai deepVL 450, p. 8; HVO, unpubfelt-Hilo, hnp; Hilo (time 3:38:15-same event?), 2 mild waves, slight, felt by a few; Warshauer notes: slight to moderate quake was generally felt in the Hilo and volcano districts at 3:48:45 a.m. In Hilo felt as a prolonged shock, not strongfilm time: 10h 50m 58s3.9-4.6 kl cal 10-20?eaverage distance and depth assumed from modern catalog locations of near-caldera events; VL 488, p. 3Kilauea in VL; felt-hnp V (USE; S&C)'deeper?; VL 488, p. 3; not found in HTHAe slope Mauna Loa; felt generally Hawaii island, slightly on Oahu 488, p. 3-5 mi SW of Puu Ulaula; felt-hnp, Hilo, s Konanear Pahala; felt-hnp, Pahala kl ler sf?2film time 20:16, nothing at 21:16; misprint in VL?aHonolulu records quake at 20:16; time 10:46 (Daylight savings time?); 489, p. 4; not found in HTH7e slope Mauna Loa above Kapapala; felt SW Hawaii island 489, p. 4; not found in HTH6bet Mauna Loa and Mauna Kea; felt widely Hawaii island* slight?; VL 474, p. 3; HTH, Oct. 30, 19410felt strongly-Puu Ulaula; instruments dismantled*moderate?; VL 477, p. 3; HTH, July 9, 1942no intensity reports!VL 465, p. 6; not found in HTHPnot in VL 459; kuer sf or kc< aldeep? to be consistent with being recorded on Oahu`should be feeble if kcaldeep, slight if south flank, moderate if uer; obscured by tremor? felt? signal:noise ~1.5VL 459, p. 4; HTH, May 30, 1938near devil's throat; felt-hnp; Warshauer notes: felt at the volcano and recorded on Hilo and Kona seismographs; dismantle HVO seismographsFfilm time:23h 29m 57 s; looks deep-very different from preceding event4.7-5.1Honolulu amplitude average of two readings; VL 464, p. 6; HTH, May 24; 26, 1939; see also HVO unpub and bib for additional felt reportsrecord obscured kohala os20 mi n of Upolu pt; VL 444, p. 5; HTH, Jan. 25, 1937; [newspaper location on west side of Mauna Loa or Hualalai gives better fit to felt reports than VL location]; HVO, unpubdepth 28 km in HVO catalog; VL 411 [detailed damage report given]; HTH, May 10; 14 [see below], 1934; additional felt reports in HVO, unpubVL 402; HVO, unpubHon notes: det, no amp; very rapid; Haina-felt by majority; rpd bmp EW about 10 s; 2d shock about 1/2 m; Honomu-felt by many; rpd rkg SW; Kohala-felt by many; rpd bmp; 2 shocks each 2 or 3 s; hls; felt all island; wakened persons at summer camp [hnp]ml nf??j ESPHVO, v. 3, p. 1002; VL 135; Seismological Report, July-September, 1927 (Neumann, 1930); HTH, 7/25/1927felt locally; felt Volcano & Hilo, possibly elsewhere; Hon notes: time 2:10; Honomu--felt by sev; grd rkg NS; mts.; US EQ notes: repeats Neumann, 1930; Warshauer notes: two quakes, 2:07 and 6:13 a.m. felt at Hilo and Volcano districts . ESPHVO, v. 3, p. 1002; VL 135; HTH, 7/25/1927widely felt over island; dismantled seismometers at Hilo, Hilea, Kealakekua and HVO; one of 2 strongest shakes of series; strongly felt at Kahuku ranch 4:35 am; Warshauer notes: see 1921-1932 eq file and bib Hon time 5:38III (Waiohinu)S ESPHVO, v. 3, p. 854; VL 75; Seismological Report, April-June, 1926 (Neuman, 1928)felt locally and Hilo; Hon notes: not recorded; felt by many sitting []; abr prolonged but not severe, finished trm; dishes rtl; pln rky; USEQ notes: repeats Neumann, 1928 Hon time 12:24 II (Honomu)NHon notes (1 sec per.; dur 40 sec; local shock; misinterpreted as quarry blastfelt generally Hawaii island; Warshauer notes: felt Hilo (long. swaying), volcano (1 of 4 shocks), Kau, Kona (1 of 4 shocks) and (1 of 6 shocks), less strong at Puu Waawaa and Kohala; no damage; Hilo-II; Honomu-very feeble V; IV (S&C)felt-Kona; Kealakekua-V, one slight continuous shake, dur 6-10 sec, rattled windows a bit; Hookena-II, building creaked, dur 2 sec smaller events before and after?mags agree if amplitude referenced to distance from Kona seismometer; VL 463, p. 2; HA, Jan. 20, 1939; HTH, Jan. 20, 1939; see bib for complete felt reportKVL 472, p. 3; HTH, Apr. 21, 1941; see HVO unpub for additional felt reportsVHonolulu amplitude average of two readings; VL 464, p. 7; HVO unpub; HTH, July 1, 1939strong? must be deep to fit felt reports and Hon magnitudes; VL 475, p. 2; HTH, March 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 widely; stopped clocks in s Kona; Warshauer notes: deep-seated earthquake felt generally in Hilo; dismantled seismic equipment; no damagelight trace-min amp>5.67NE rift; felt-hnp, Hilo VL 476, p. 7upper NE rift; felt-hnp, Hilo"shallow-closer to magma reservoir?deeper?; VL 476, p. 7 upper NE riftstrong?light trace-can't read(strong?; VL 476, p. 7; not found in HTH se 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, Kohala, Puna, Kona; no damage&fred-check!-dup of below w time wrong?ok+all Hawaii island, Oahu-seis dismantled (V)4.5-4.9felt generally Hawaii island, specific reports from Olaa, Hookena, and Hamakua coast; felt rather strongly in volcano; e-w component dismantled; Hookena-III, building creakedperiod <2; signal:noise ~1.5 kl cal 05-10?near Pauahi; felt-hnp; Warshauer notes: felt at the volcano and recorded on Hilo and Kona seismographs; dismantled HVO seismographs4.1-4.6JHon film record missing; VL 460, p. 3; HTH, June 6, 1938; not found in PCAWWarshauer notes: A moderate shock about 10:45 a.m. Wednesday dismantled the instrumentsVL 460, p. 3; not found in PCA3.5-4.0Dlooked for, not found on Hon film record; VL 424; HTH, June 28, 1935reported at three or more stations-moved furniture; damaged stone walls; Puu Ulaula-V, awakened party of campers, dur 4-5 sec, dishes moved; Honomu-IV, long and feeble; Kealakekua-VI, building shuddered violently for 3-4 sec; Hookena-IV, objects moved, st no recordfelt- 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;-IIIHon notes: local shock; not rep felt; strongly felt at hnp with prolonged E-W swaying; felt at halfway house (Kau), acc by a rumble, trees set in motion; felt at Hilo, where articles displaced from shelves; Warshauer notes: see 1921-1932 eq file and bib hualalaim (kona)FPeters, 1929; VL 248: 79 seismic spells in 22 hours felt at Puu WaawaaESPHVO, v. 3, p. 806, 812, 833; VL 70; no list of separate events; MN, 4/24/1926; HTH, 4/22, 24/1926; HSB, 4/22/1926; HA, 4/23/1926not recorded; time 13:34 [wrong?]; Haina--      !"#$%&'()*+,-./0123456789:;<=>?@ABCEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~-felt by part of pop; many alarmed; windows rtl; rpd trm, then bmp, then trm: 15 s; 1d thn sounds; hls, rky; felt locally; felt by a few in HVO and Hilo; Hilo dist 34 mi; followed by vf aftershocks>2?1?sDetected on Hon seismograph at 13:52; no amps published; [very rapid activity suggests high frequency & deep event]>5.06ml swr??)IV-V HVO; III at Haina & Honomu & Kohala f Neumann, 1930; ESPHVO, v. 3, p. 993, 1002; VL 133 [sugg. high freq. deep event; hotspot activation?]d ESPHVO, v. 3, p. 858; VL 76; Seismological Report, April-June, 1926 (Neuman, 1928); not found in MNfelt-Hilo, Honomu; Warshauer notes: . . strong enough to awaken sleepers in some sections of Hilo, felt by many in Puueo and a few in volcano; dismantled instruments; Hilo-II, awakened; Honomu-rather strong, felt by many, dur 3 sec, south to westrecord missingrepeat; noise 0.4mm, 1sRlooked for, not found on Hon film record; not recorded at Whitney vault; Cox, 1986Hualalai; felt-Kona; Hookena-III, short/sharp, dur 2 sec, building creaked; Kealakekua-2 shocks felt, threw n-s needle off seismograph noisy record3.4-3.9 kl cal 05-10 VL 455, p. 6felt-hnpseismogram 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, Oct. 1, 1935; additional felt reports in HVO, unpubfelt-hnp, Kau, Kona, Hilo; Warshauer notes: A moderate earthquake felt throughout East Hawaii dismantled instruments at HVO and Halemaumau; felt duration about 30 sec; occurred at 11:46 a.m. [time off?], preceded by a series of lesser quakes S-P = 17 secrepeat; noise 0.8mm, 1srepeat; noise 0.9mm, 1sminimum amp-off scaleVII; VII (S&C)isoseismal map in W&K; strong?; VL 473 [includes damage report; dismantled all seismographs, low mag instrument not operating], p. 3; HTH, Sept. 25, 1941; extensive felt reports in HVO, unpubHonolulu amplitude average of two readings; isoseismal map in W&K (mag too high?); VL 465, p. 5; HTH, July 14, 1939; see HVO unpub and bib for complete felt reportfelt generally-Hawaii island; intensity greatest in Kau, Puna; sleepers wakened in Hilo, hnp; unusually strong at Pahoa; Warshauer notes: felt entire island, strongest in Puna and volcano district; sleepers awakened and windows rattled but no damage done. S-P = 33 secJHonolulu amplitude average of two readings; VL 465, p. 6; not found in HTH slight-modLdepth assumed consistent with felt reports; VL 441, p. 8; HTH, Nov. 17, 1936felt-HVO, Puu Koae, Hilo; Warshauer notes: A shock at 1:08 yes< terday afternoon was felt 5-6 mi southwest of Halemaumau, also in the volcano district and slightly in Hilo3.6-4.1 kl mer sfVL 444, p. 5; HVO unpubXfelt-hnp, Hilo, Honomu; Honomu (time given as 11:05 PM)-felt by many, w to NW, dur 5 secfelt-Olaa, Hilono trace-overexposed4.4-4.9 kl ler oscloser?; VL 410aftershock at 21:09-no trace mod-strongIII?VL 4100felt-HVO and Honokaa; Honokaa-felt a light shakeMana; SW of; reported at e" 3 stations-felt by several; Warshauer notes: felt sharply over Hilo, not felt at volcano; Hilo-III, dur 10-15 sec, windows rattled, mirror swung;-IV, buildings creaked considerably for a few sec; Honomu-VIVL 400; HVO, unpubWarshauer notes: a second shock [also felt throughout the islands?] came at 5:59 and lasted until 6:06 a.m.; not noticed on Maui [presumed aftershock, not recorded at HVO because seismographs not put back in operation?] mauna kea IV (Haina)XNeumann, 1930; ESPHVO, v. 3, p. 962; VL 123 [max accel 11.0 mm/sec/sec, minimum slight?] Hon time 8:30*not specifically mentioned is ESPHVO or VLHon time 13:16+felt (at Wingate camp?); Honolulu time 2:45Hon time 15:04+felt (at Wingate camp?); Honolulu time 4:33]Neumann, 1928 has eq at 14:00, 325 km distant; ESPHVO, v. 3, p. 813, 818, 831; HA, 4/19/1926Hon notes: origin time accepted over HVO felt times; sharp earthquake felt at HVO and elsewhere at 14:05; felt (at Wingate camp? at 13:45; USEQ notes: strong shock; Honolulu time 13:57; distance 325 km; Warshauer notes: see 1921-1932 eq file and bibQnot reported at Hon Mag obs; ESPHVO, v. 3, p. 831; HSB, 4/19/1926; HTH, 4/25/1926Hon notes: felt reports; eq under Mauna Loa; felt all island of Hawaii, dur >10 sec at Kilauea; dism seis at HVO and Kona; broke pipe at Kapapala; followed by detailed felt report; USEQ notes (felt by many standing); see 1921-1932 eq file and bib?Hon time 9:04; honolulu 1-3 sec period; [assume 1.5 sec period]e"6W&K alenuihahaV (Kohala); IV-V (Honolulu)Seismological Report, January-March, 1926 (Neumann and Service, 1927); Cox, 1986; ESPHVO v. 3, p. 796, 798, 803; VL 65; HTH, 3/20/1926; HSB, 3/20/1926; HA, 3/20, 21/1926; MN, 3/24/1926 kl cal deep??II (Kohala and Honomu)[Not reported in the Honolulu station bulletin; [M~5.0 predicts an amp of 4mm on Milne-Shaw]kaoikiV (Kau)ifelt-Oahu only; rattled windows/dishes in homes on Wilhemina Rise (Honolulu, approx 25 km from ewa beach)mauna loa deep@VL 416; HTH, Oct. 15, 1934; extensive felt reports in HVO, unpuboff scale; minimum magnitudemaui VIII; VIII (W&K; Cox); VII (S&C)awakened many in Hilo and hnp, dismantled seis; hale Pohaku (Mauna Kea)-fairly sharp quake, dur 3-4 sec, awakened most sleepers; Warshauer notes: generally felt Hilo and volcano dist; dur ~six min, felt ~15 sec; rattled windows, awakened many, no damagefilm time: 14h 22m 0s5.5; 5.0 V; V (S&C)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 was reported; felt strongly Kona, short and sharp at, slight in Kau, not felt at Volcano or Hilo.+VL 464, p. 5; HVO unpub; HTH, Apr. 12, 1939sfelt-Hilo, Olaa, hnp; Hilo-III; Warshauer notes: felt generally on Big island; awakened sleepers in Hilo; no damage lanai se? III-IV (Cox)DCox, 1986; foreshock of 5/29/39 quake?-not recorded at Whitney vault+felt-Oahu; no damage; preferred mag assumed4.4-4.8catalog VI; VI (S&C)4 mi from HVO; hnp-strongly felt, houses creaked, doors/windows rattled, hanging objects swayed, few articles on shelves overturned, not felt away from hnp, seismographs dismantled; Warshauer notes: awoke residents in the volcano district not in VL<4.05slight?7threshold magnitude; event may be lost at edge of paperM4.423.8-4.3 kl cal 10-20Egreater depth assumed consistent with felt reports; VL 424; HVO unpubawakened people generally south side Hawaii island, dismantled seismographs; Anuhea-III, building creaked;-quite a shock; hnp-wakened many, quite hard at; Puu Ulaula-wakened party at rest house; Papaikou-felt, Hilo-many awakenedM4.37very feeble-feltfelt-Waikiki (Oahu), Hana (Maui), Kapapala ranch, dur 90 sec, items off shelves, window broke; extensive felt reports in HVO, unpub; preferred magnitude calculated as average of Honolulu, Whitney as read, and W&K not given ml nf deepVL 432, p. 2; time not given#5 mi NW of Puu Koli; felt-Hilo, hnp VL 433, p. 3w slope hualalaiperiod <2; signal:noise ~1V (USE); IV (kona)VL 434, p. 2; HVO, unpubless 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;-IVhilo osHon notes: local; very short period; strongly felt at hnp; Warshauer notes: the first of three tremors was barely noticeable in Hilokona?VI (HTH)LPeters, 1929; ESPHVO, v. 3, p. 1206; VL 234; HTH, 6/18/1929; not found in MN+felt (at Wingate camp?; Honolulu time 5:46 kESPHVO, v. 3, p. 723, 725; VL 35; Seismological Report (Hon Mag Obs), July-September, 1925 (Neumannn, 1926) felt in Hilo and Kohala; Hon notes: not recorded; felt report from Kohala, time 10:35, felt by sev; rpd bump rkg trm ls; sounds ld rmb rtl beffeeblekESPHVO, v. 3, p. 723, 725; VL 36; Seismological Report (Hon Mag Obs). July-September, 1925 (Neumannn, 1926)dismantled seismographs at Hilea, Hilo and Kealakekua; felt at, said to be the strongest yet; Warshauer notes: Severe earthquakes at 9:06 and 9:46 this morning were reported from but were not felt at, Kau; felt locally3not reported in Neumann, 1928; ESPHVO, v. 3, p. 813Estrong, swaying earthquake, with displacement to n and e, felt at HVOC[honolulu readings almost obscured by microseisms; calc mag is low]V (W&K); III (Honolulu)Hon notes: evidently not far away; unusually strong; both instruments dismantled; raised dust cloud at pit; N-S component set back 0.5 inch on drum; tilt strong NE; strongest quake felt here in a long timeSeismological Report, January-March, 1926 (Neumann and Service, 1927; ESPHVO, v. 3, p. 785, 793 [time given as 11:30 in table]; VL 59; Cox, 1986, p. 64; HTH, 2/8/1926; MN, 2/10/1926Hon notes: Local shock; felt Honolulu and Maui; Cox notes: 124 mi from Kilauea; Warshauer notes: sharp shock on Maui (like an explosion) and Honolulu; two shocks on Maui 2 min apart, 2nd at 11:30 brought people out doors; also felt on Oahu; also see bib V (W&K)Seismological Report, January-March, 1926 (Neumann and Service, 1927); ESPHVO, v. 3, p. 786, 793; VL 62 [repeats info in ESPHVO]; HTH, 3/1/1926 GMT Componentfelt generally Hawaii island; Warshauer notes: see above; Honomu-V (first), VI (second), dur 3 sec, felt by everyone; Kealakekua-IV, building creak, window rattle; Kapapala-IV, felt 4 quakes (aftershocks at 6:30, 9:19, 10:20 PM 10/21 and 4:37 am 10/22)ml mok II R-F (VL)VL 406, p. 2; HTH, Dec. 2, 1933isoseismal 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, Jan. 24, 1938; extensive felt reports in HVO, unpubfelt 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 placesV (USE)VL 456, p. 3; HVO, unpubHVO location off?; mag agrees for south flank (likely considering high mag and not felt in Kohala); VL 464, p. 6; additional felt reports in HVO unpub; HTH, May 15, 1939; see HVO unpub and bib for complete felt reportstrongly felt all Hawaii island ex Kohala; strongest in Hilo (slight damage to masonry and plaster), and hnp; Warshauer notes: felt strongly in all districts except Kohala; minor damage in< Hilo, household articles knocked from shelves, building cracks3.4-4.0kl uer1VL 459, p. 4; HTH, May 30, 1938; not found in PCAfelt generally-Hawaii island, objects fell in Hilo, landslide at Halemaumau; Warshauer notes: felt all island, least in Kohala; two waves, slight, then heavy; bottles, pictures broken in Hilo; pref mag calculated as weighted average of WK(1) and Hono(2) not separately reported in VL 420, but included in table; time from Hon film record; HVO, unpub; Maui/Molokai consistent with Hon mag and felt reportsHaleakala-IV, movement up and down, cement cornice of building fell off; Wailuku-not very strong; felt all Maui, Oahu and in Kohalathreshold magnitude6VL 424; HVO, unpub; stronger trace on kona seismographcentral Kohala; felt-Honokaa, Waikii, Honomu; Honokaa--3, dur few sec; Honomu-2, furniture shook; Kamuela-3; also felt at Waikiif-feltV&VL 400; HTH, June 23, 1933; HVO, unpubHon notes: teleseism recorded at 5:57-6:12 [not local to islands]; no felt reports [conflicts with report in HTH]; HTH, 3/21/1927; MN, 3/24/1927felt over island; heavy shaking in Kona, Kau, Hamakua; also locally, Hilea, Hilo; dur 10-15 s; dismantled inst; Warshauer notes: strongly felt Hilo, Volcano; cracked houses and broke mirrors; two distinct shocks, 1st slight, 2nd felt in six separate wavesHonolulu time 12:59hilea?strongIV (oahu); V-VI (hilea) felt at Kona and Honokaa; plainly felt Kealakekua; not felt HVO; Hon notes: not registered; felt report from Kohala--felt by sev; doors mvd; rapid trm short dur; sounds rtl; USEQ notes: time 07:36; felt by several in Kohala; doors moved; short durationHon notes: phases 5 and 17 sec apart (s-p?); 1-2 sec period; duration 45 sec; [140 km from honolulu and 1.5 sec period puts location at w maui]; Cox, p. 64 notes: 124 mi from kilauea [quotes vl; couldn't find]maui?tremor?(IV (Hon/Maui); II (Ewa, Oahu); III (Hon)Hon notes: an irregularity in the microseisms and does not measure an amplitude, thus guess an amp of 2 mm; mentioned in tribune-herald, but not enough for W&K to determine intensityhilea??IV-VHon Station Bulletin (McFarland, 1929) [no amplitude reported; assume 2 mm]; ESPHVO, v. 3, p. 390, 393; DPH, 2/10/1923; HA, 2/11/1923; not in HH; in HT, but not enough info for W&K to estimate intensityHon notes: an irregularity in the microseisms; quake felt [at HVO]; dismantled instruments, felt over Hawaii Island; Warshauer notes: quake last night felt all along this line of territory but not at the volcano; slight quake caused rockslide at Kilaueano traceml mok??slightCnot in Hon Station Bulletin (McFarland, 1929); ESPHVO, v. 3, p. 497ESPHVO, v. 3, p. 590, 592, 595; [M~5.0 predicts an amp of 4 mm on Milne-Shaw, which was not reported in the Honolulu station bulletin]; HTH, 8/20/1924--see bibslightly felt in Hilo (VL); Hon notes: felt by sev lying down [Honomu]; grd trm, N-S; 2 shocks abt 2 s each; USEQ notes: repeats Neumann, 1928 dismantledfelt as a continuation of M5.6 eq; location uncertain; Warshauer notes: felt Hilo, volcano, Kau, Kona and; Holualoa-light shock1shallower?; VL 428; HTH, Oct. 1, 1935; HVO, unpubfelt-HVO, northeast Hawaii island; Warshauer notes: felt Hilo, volcano, Kau, Kona and; Holualoa-rather strong, several other light ones reported by neighbors; Hilo-VI, buildings shooksignal/noise 1.5II9Honolulu data average of two readings; VL 428; HVO, unpubCfelt-Hilo, Kona, hnp; Kealakekua-v slight single shake, dur 3-5 secFVL 457, p. 6; HTH, Mar. 7, 1938; additional felt reports in HVO, unpubfelt-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, slight at Kohala and Puu waawaa; prolonged at Kona; HVO seismometers dismantled>not in VL; reread; not a real earthquake? removed from catalogfelt sharply Kapapala ranch; felt-Hookena,, HVO; Pahala-III, building creak and shake, Wood valley-cane thrashing, horse disturbed; Hookena-IV, dur 6 sec, building creak, hanging objects movingJfelt-HVO, Hakalau,;-III, slight shock; hnp-felt at summer camp; Hakalau-IVno trace; threshold mag ml nffelt generally Hawaii island; Pahala-II; Honomu-III, rocking, dur 1 sec, west to east; Hilo-felt strongly by person lying down, e-w followed by n-s; Kona-felt; Hakalau-VVL 410; HVO, unpubs (st?)bPeters, 1929; ESPHVO, v. 3, p. 1206; VL 234; HTH, 6/18/1929; HSB, 6/18/1929; not found in HA or MNPeters, 1929; ESPHVO, v. 3, p. 1194; VL 219; moderate? (see reference to amplitudes of slight earthquakes in VL 251, col 2, paragraph 3!)Hon notes: registered; 17 mi from HVO in Kapapala direction, felt-hnp; caused small landslide on E side of Halemaumau, probably in the Kapapala directionperiod assumedHon time 16:17ESPHVO, v. 3, p. 818felt Oahu, Molokai and Lanai; Cox notes: UH seismograph out of commission, felt Oahu, Molokai, Maui, and lanai (not Hawaii); Warshauer notes: felt as sharp but short on Maui, no damage; not felt at Hilo, but felt on Oahu.Es-p gives 440 km from station; timing very similar to quake of May 30 kl cal deep?]Hon Station Bulletin (McFarland, 1929); not reported in Jaggar, 1947, p. 218; not found in MN" Hon notes: evidently not far awayRHon Station Bulletin (McFarland, 1929); ESPHVO, v. 3, p. 556; Jaggar, 1947, p. 259A mmI max Felt report W&K; catalogHon Station Bulletin (McFarland, 1929); Cox, 1986 [awakened thousands implies int 5, more typically 4]; ESPHVO, v. 3, p. 378, 381, 386; MN, 1/15/1923; DPH, 1/15/1923; HSB, 1/17/1922; HA, 1/15/1922; not found in HH Hon notes: Local shock; felt locally and all parts of Oahu; felt over Hawaii; slight damage, stone walls down in Hilea; Cox notes: felt all Oahu, Hawaii; Warshauer notes: see bibBHon Station Bulletin (Neumann, 1926c); ESPHVO, v. 3, p. 719; VL 29felt all over Hawaii (moderate or strong?, or greater distance?); VL 28 has incorrect? time of 0645"; Hon notes: not registered but felt report received--time 16:20, felt by several at Kapaau; rapid bump; sounds faint rattle; 2 shocks LAO=2.4-2.93.0-3.5oahunot recorded at Whitney II-III HonESPHVO, v. 3, p. 722; VL 32; Seismological Report (Hon Mag Obs), July-September, 1925 (Neumannn, 1926); Cox, 1986; not found in MNHST Date (HST)LAOP (s)Pc (s)NotesM calcM nomoM det M det source HVO classComment E-W (M-S)kl sf?moderateVI felt generally Hawaii island, some damage in Hilo; Warshauer notes: strongest of series; felt Hilo, volcano, Kau, Kona and; no damage; Hilo-II;-quite a heavy shock; Hilo-VI, building shook; Holualoa-V, rather heavy and long; Honomu-stronglost in mainshock%VL 428; HTH, Oct. 1, 1935; HVO, unpub? Neumann, 1928; ESPHVO, v. 3, p. 856, 858; VL 76; HTH, 6/9/1926felt generally Hawaii island; Warshauer notes: The entire island rocked by an earthquake, duration 30 sec, no damage; felt widely in Kona, also at Waimea, and the Hamakua Coast; motion gentle swaying, two parts with long intervals betweenVL 416; [some aftershocks evidently not recorded at Whitney vault]; HTH, Oct. 19, 1934; extensive felt reports in HVO, unpub; [felt reports give date as 10/19];felt-Hilo and HVO; felt at Pahala and Hilo (10:37); Hilo-IIVL 428JNE edge of Mokuaweoweo; felt strongly-summit rest house, Waiohinu, Honuapoml ner VI; V (S&C)isoseismal 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; HVO, unpubisoseismal map in W&K (M5.9 too high because intensity V in Kau and Kona incorrect); depth changed to improve magnitude agreement, consistent with felt reports; VL 419; HTH, Jan. 2, 1935; additional felt data in HVO unpubn50 mi due s of HVO; recorded at three stations; Honolulu amplitude average of two readings; VL 396; HVO unpub.felt-Holualoa, Hakalau, Hilo, hnp; Honaunau-II; Hakalau-IV; hnp-windows rattled, pheasants squawked; Holualoa-IV; preferred magnitude calculated as average of Honolulu and nomogramrepeat; noise about 0.8 mmno trace; threshold mag< kohalavf-felt<looked for, not found on Hon film record; VL 397; HVO, unpubheaviest eq since similar event on 3/19/26; dism seis at HVO and Hilo, no direction or distance; felt with about equal int all Hawaiian group; app deep-seated; items shaken from shelves in Hilo; severe all Maui ex Hana; Warshauer notes: see bib >130>6.43gnot reported in Hon Station Bulletin (McFarland, 1929); ESPHVO, v. 3, p. 497; Cox, 1986; MN, 12/28/1923Hon notes (local shock); strongly felt and prolonged earthquake causing avalanches at Uwekahuna; azimuth WNW-ESE. Felt over E half of Hawaii); Warshauer notes: felt in Hilo, clothes pole and construction pole swayed wildly, one person fell down stairs N-S (M-S)dofelt!could this be a Big Island quake?@ESPHVO, v. 3, p. 288 notes: dismantled instruments; felt locallyCHonolulu time 1 hr later than Big Island event?; Hon duration 3 min&ESPHVO, v. 3, p. 288; distance assumedsharply felt at HVO; felt very severe and stone monuments shaken down and ground cracked open at Mokuaweoweo; seismographs dismantled; distance 20 mi; Hon notes: onset to max 1m 10s; 1 sec per mauna kea?Inot found in Hon Station Bulletin (McFarland, 1929); ESPHVO, v. 3, p. 6044ESPHVO v. 3, p. 604 notes (felt in Hilo and Honokaa)Hon: looked for, not foundkaoiki?IV (Hon notes; W&K)felt by many at Honomu, rpd trm; 2s, val.; USEQ notes: 22:25 felt by many int. III); stronger than 11:41 quake; not individually listed in table; felt Pahala and HVO; majority of shakes from extension of mlswr; some from mok and mlner?not reported by Hon Mag obs; ESPHVO, v. 3, p. 812; HSB, 4/14/26qone of 2 strongest shakes of series; Waiohinu telephone operator timed shock Tuesday morning [Apr. 13], dur 1 minESPHVO, v. 3, p. 812 felt at HVO$not reported in Hon station bulletinsharp shock felt at HVO Hon time 6:12hileaHon Bulletin time 13:59kl sf??v feeble IV (oahu)felt in Hilo, Kona and KauCox notes: UH seismograph out of comission [explains why this event was not found in Hon Bulletin]; felt Oahu, molokai, maui, and lanai (not hawaii); IV (Oahu); 0 (HVO)molokai?JV (W&K); IV-V Kapapalaa; USEQ notes: IV Waiohinu; IV Pahala; III Pepeekeoeruption 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 house+VL 406, p. 2; HTH, Dec. 2, 1933; HVO, unpubzwest rim of Mokuaweoweo; felt with alarm, ml [Red Hill] rest house; Warshauer notes: see above; Hilo-very slight (6:03 am)VI (USE)w3 mi NE of n end of Mokuaweoweo; felt with alarm, ml [Red Hill] rest house, lightly at Hilo; Warshauer notes: see abovefelt generally Hawaii island; Warshauer notes: earthquake of moderate intensity rocked the Big island, hard enough in Hilo to awaken sleepers, no damage; 3 sharp quakes felt in Waimea, followed by several of slighter intensity mauna kea??VL 416; HVO, unpubfelt near Kilauea crater; Kamuela-felt strongly, two tremors, no damage; Kohala-short, mild shock;-III, slight tremor followed by quake, building shook slightlyVI (W&K); V (C&S)Hon notes: felt in Mauna Loa section of Honolulu; local to Kilauea; deep quake under e side of island, s part of Kilauea; felt throughout island of Hawaii inc. hnp, Hilo, Kohala; Warshauer notes: strongly felt eq; felt as far as Kona and Kohala period given III R-F (VL)=Neumann, 1928; ESPHVO, v. 3, p. 807, 813, 817; HTH, 4/15/1926unusually sharp quake felt on Mauna Loa this evening; quake with strong, twisting motion felt at HVO, dur >30 sec (Whitney); alarming shock at 7:45 PM with wrenching movement and creaking of rocks; Honolulu time 19:41; Warshauer notes: hm crack widenedQHon notes: onset to max 1m 10s; 1 sec period; [probably larger than 8/20/24 M5.0]V MokHon Station Bulletin (McFarland, 1929); ESPHVO, v. 3, p. 590, 592, 595; [probably larger than 8/20/24 M5.0 at Hilea which was not reported in Hon bulletin]; not in HTHHon notes; felt reports only in 1921-1932 file; dism seis, distance 16 mi to the SW; felt locally and stronger at Kapapala; widely felt over island, shook items from shelves at Kapapala; felt reports from, and Pepeekeo; Warshauer notes: repeats info IV Waiohinux ESPHVO, v. 3, p. 912, 913; VL 105; Seismological Report, October-December, 1926 (Neumann, 1928); not registered on OahuFdismantled instruments; felt locally and at Hilo, Honomu and Waiohinu?Beginning of Mauna Loa sw rift eruption; ESPHVO, v. 3, p. 812, 836 notes: of 85 felt quakess this month, 24 shocks dismantled seismographs\Hon Notes: Several shakes preceded eruption of Mauna Loa; shocks almost incessant until 20th%Hon: not reported in station bulletinml swr? dismantled?ESPHVO, v. 3, p. 812 Eswaying eq, producing the effect of e-w rocking ; felt Pahala and HVOml ner? III (Honomu)*Neumann, 1928; ESPHVO, v. 3, p. 812; VL 68felt in Honolulu, not recorded at Whitney; Hon notes: local shock; impulsive onset to max ~12 sec; 1 s per; duration 5 min); poss distance range thus 40-80 km; Cox notes: felt all parts of Oahu Date (GMT)Hon notes; detailed felt reports; ESPHVO notes: long swaying quake dism seis; severe in Kohala; bottles fell in Hilo; felt, small tsu in Hon; felt on Maui and Oahu; Warshauer notes: see 1921-1932 eq file and bibBull. Seis. Soc. Am. (1929, v. 119, p. 185) gives location "15 mi e of Hilo in the Puu Oo district"; Warshauer notes: The Hilo district experienced several heavy shocks during the day; strongest shocks at 7 a.m. and 2 p.m.; distances 14-35 miles from HVOVL time 15:18; HA, 9/29/1929Warshauer notes: The Hilo district experienced several heavy shocks during the day; strongest shocks at 7 a.m. and 2 p.m.[3? p.m.]; distances 14-35 miles from HVO?time from Honolulu record-10.5 hrs subtracted; not listed in WKVL time 11:55; HA, 10/1/1929Warshauer notes: Two severe shocks were felt in Hilo and Kona today. One of these, occurring at 11:55 a.m. was extremely heavy, destroying several stone fences on the slopes of Hualalai.seismometer dismantledst; vst (kona)VL 407; HVO, unpubfelt-Hookena, Kapapala, Pahala, HVO; Hilo-slight, dur 15 sec; Hakalau-IV (time 4 am); Pahala-III, buildings shook; Hilea-sharp quake, dur 6 sec; Honaunau-III, awakened; Hookena-II (3 am)4.0-4.4Honolulu amplitude average of two readings; nomogram magnitude low-deeper? and/or moderate?; not mentioned in W&K; VL 407; HVO, unpubfelt generally Hawaii island; Hakalau-VI; Pahala-III, building shook/windows rattle; Holualoa-IV, long double quake, felt all north and south Kona; hnp-IV, window/door rattle acc by rumble, decided jolt, then 2nd lesser; Honaunau-III, windows rattlerepeat; noise 1.0mm, 1.5srepeat; noise 1.3mm, 1.5srecord incompleteVL 408; HVO, unpubHon Station Bulletin (Hazard, 1924); not mentioned in WK; ESPHVO, v. 3, p. 357, 358, 359, 363; DPH, Nov. 21; 22/1922; HH, 11/23/1922; HDT, 11/21, 23/1922; HA, 11/22/1922; duration 5 minutes on Hilo seismograph; see also bibHon time 10:50; same quake?ml mok?a[distance of 2 mi inconsistent with felt report; misprint for 20?] ESPHVO, v. 3, p. 590, 592, 5954sharply felt at HVO; felt very severe at MokuaweoweoHon time 22:05 IV (Kohala)Hon Station Bulletin (Hazard, 1924); ESPHVO, v. 3, p. 239, 241 [listed as moderate, must be strong]; DPH, 2/21/1922; not in HA or HSBNeumann and Service, 1927a; ESPHVO, v. 3, p. 796, 798, 803; VL 65; HTH, 3/20/1926; HSB, 3/20/1926; HA, 3/21, 27/1926; MN, 3/24/1926Hon notes: felt; aftershock felt at Kohala, felt locally; recorded at Hilo, Kona, Hilea and HVO; Warshauer notes: felt at Kohala 7:30 AM, not as strong as last night's shock; a very light quake was felt in Hilo shortly after 7Hon: no precursory shocks noted ESPHVO, v. 3, p. 1002, 1044 [narrative suggests that this event and those in early august could be Kilauea events responding to the collapse of the lava column]; VL 136; Seismological Report, July-September, 1927 (Neumann, 1930felt locally; felt Hilo & Waiohinu; 46 mi from Hilo; probably near Mauna Loa summ< it; time 21:00; Waiohinu--felt by many; rpd trm appeared to be from N to S; pln rky; U.S EQ notes; repeats Neumann, 1928.konavf" ESPHVO, v. 3, p. 927, 929; VL 109strongly felt in Kona (VL)kohala?v f IV N. KohalaO ESPHVO, v. 3, p. 929; Seismological Report, January-March 1927 (Neumann, 1929)z apparently not felt at HVO; time 3:20; North Kohala--felt by many; abr bmp; rtl sounds; USEQ notes: repeats Neumann, 1929Hon notes: felt throughout Hawaiian islands, probably submarine origin; on NS motion too rapid to record maximum; 1 sec per; [assume 320 km dist from Hon and 1.5 sec period]; Isoseismal map in W&Kmauna kea os deep?V (W&K) IV-V (Honolulu)felt locally; felt; barely perceptible (I = II); time 02:20; Honomu--felt by sev; rpd tws; val. Kohala--felt by sev; grd trm; fnt sounds before and during shock; Hon notes: local shock; misinterpreted as quarry blast??; USEQ notes: repeats Neumann, 1930Hon notes (No EW record; s-p 29 sec [implies 240 km dist; too close]; recorded teleseismically at OTT & TOR; 2 sec per. assume 1.5)'strong'VI (W&K); V (hilo)Neumann, 1930 [felt reports in 1921-1932 eq file]; ESPHVO, v. 3, p. 1002; VL 136; HA, 8/6/1927; HTH, 8/3/1927; HSB, 8/5/1927; not found in MNseis dismantled, felt; Kona & Hilo seis dismantled, felt by nearly everyone, strongly felt in Hilo, items off shelves; Warshauer notes: recorded equally at Kona, Hilo and HVO; felt strongly Hilo, no damage; Kona, dishes off shelves; lighter locally kl cal deepIV (R-F); V (WK)rPeters, 1929; ESPHVO, v. 3, p. 1184, 1185, 1189; VL 215, 216; HA, 2/11/1929; HSB, 2/5/1929; not found in HTH or MNearthquake centering near Kapapala, felt HVO, Hilo, Pahala, and Kona, but not Kapoho; distance 16 mi, felt all over Hawaii; isoseismal map in W&K, who suggest a Hilea epicenter]VL 250; WK accept GUTE magnitude 6.5; a crustal depth is consistent with isoseismal gradientsKfelt generally-Hawaiian island chain; damage report in VL 250; see also bibLperiod ?-assume 1s; during following days record masked by heavy microseisms%Hon: not recorded in station bulletin$not registered on Oahu; VL 306, p. 2felt locally by many persons, and by a few persons in Hilo; probably felt in Kau and Kona, but not strong enough to cause comment no time markskuer sf os deep feeble-felt)felt at Holualoa, Hakalau, Hilo, HNP (IV)detectedkl kuer sf os deep?IVNeumann, 1929 [felt reports in 1921-1932 eq file]; Isoseismal map in W&K; ESPHVO, v. 3, p. 943, 949; VL 117\; HTH, HA, and HSB, 3/21/1927; MN, 3/24/1927 6n 5oko