In May of 1986, the National Center for Earthquake Engineering Research (NCEER) in Buffalo, New York, held the first seminar in its new monthly forum called Seminars on Earthquakes. The Center's purpose in initiating the seminars was to educate the audience about earthquakes, to facilitate cooperation between the NCEER and visiting researchers, and to enable visiting speakers to learn more about the NCEER
","language":"English","publisher":"U.S Geological Survey","usgsCitation":"Pantelic, J., 1987, NCEER seminars on earthquakes: Earthquakes & Volcanoes (USGS), v. 19, no. 5, p. 178-179.","productDescription":"2 p.","startPage":"178","endPage":"179","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[],"links":[{"id":318351,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"19","issue":"5","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"56cd90d8e4b0b1892d9e82e6","contributors":{"authors":[{"text":"Pantelic, J.","contributorId":167159,"corporation":false,"usgs":false,"family":"Pantelic","given":"J.","email":"","affiliations":[],"preferred":false,"id":621245,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70162376,"text":"70162376 - 1987 - Volcanic processes in the solar system","interactions":[],"lastModifiedDate":"2016-02-09T14:26:08","indexId":"70162376","displayToPublicDate":"1987-01-01T00:00:00","publicationYear":"1987","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1437,"text":"Earthquakes & Volcanoes (USGS)","active":true,"publicationSubtype":{"id":10}},"title":"Volcanic processes in the solar system","docAbstract":"Eruptions of ammonia, water, and sulfur. These have become some of the concerns of planetary volcanologists as they try to understand volcanic processes on other planetary bodies. As exploration of the Solar System has continues, we have been confronted with more and more exotic forms of volcanism and have come to realize that the types of volcanic activity observed on Earth represent only a fraction of the array of volcanic phenomena that are possible. Some volcanic features of other planets have close terrestrial counterparts and appear to have been formed by similar mechanisms and from similar magmas to those on the Earth. but other features are totally different and appear to have been formed from materials that are not normally associated with volcanism on Earth.
","language":"English","publisher":"U.S Geological Survey","usgsCitation":"Carr, M.H., 1987, Volcanic processes in the solar system: Earthquakes & Volcanoes (USGS), v. 19, no. 4, p. 128-137.","productDescription":"10 p.","startPage":"128","endPage":"137","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[],"links":[{"id":314655,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"19","issue":"4","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"56a20f52e4b0961cf2811c47","contributors":{"authors":[{"text":"Carr, M. H.","contributorId":84727,"corporation":false,"usgs":true,"family":"Carr","given":"M.","email":"","middleInitial":"H.","affiliations":[{"id":131,"text":"Astrogeology Science Center","active":true,"usgs":true}],"preferred":false,"id":589320,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70162375,"text":"70162375 - 1987 - A visit to Stromboli, lighthouse of the Mediterranean","interactions":[],"lastModifiedDate":"2016-02-09T14:21:17","indexId":"70162375","displayToPublicDate":"1987-01-01T00:00:00","publicationYear":"1987","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1437,"text":"Earthquakes & Volcanoes (USGS)","active":true,"publicationSubtype":{"id":10}},"title":"A visit to Stromboli, lighthouse of the Mediterranean","docAbstract":"About daybreak of the next morning, the perfect cone-shaped outline of Stromboli appeared on the horizon. No \"red\" glare could be seen, but a prominent column of white vapor was rising from the crater, and at infrequent emitted. As the boat steamed around the edge of Stromboli, the big \"scar' on the slope, known as Sciara del Fuoco, stood out prominently. This remarkable feature, with a slope of 35 degrees and a width of about three-quarters of a mile, is like a tremendous talus slope and extends from the crater to the sea, a distance of about 4,000 feet. Much of the erupted material, including lava flows ejected from the crater, lands on the Sciara del Fuoco and rolls directly into the sea. The origin of the Sciara del Fuoco is uncertain, but it appears to represent a great depression formed by an eruption which destroyed one side of the cone. The accumulation of debris in the depression has built up the present talus-like slope. The crater of Stromboli is on a terrace at the top of the Sciara del Fuoco, about 600 feet below the summit peak.
","language":"English","publisher":"U.S Geological Survey","usgsCitation":"Bullard, F., 1987, A visit to Stromboli, lighthouse of the Mediterranean: Earthquakes & Volcanoes (USGS), v. 19, no. 6, p. 199-204.","productDescription":"6 p.","startPage":"199","endPage":"204","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[],"links":[{"id":314654,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"Italy","otherGeospatial":"Stromboli","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n 15.216751098632812,\n 38.81456613562004\n ],\n [\n 15.18310546875,\n 38.80011914392429\n ],\n [\n 15.189285278320312,\n 38.77924609533196\n ],\n [\n 15.218811035156248,\n 38.761044092443086\n ],\n [\n 15.23529052734375,\n 38.77282238933892\n ],\n [\n 15.254516601562498,\n 38.801724509895024\n ],\n [\n 15.23529052734375,\n 38.812426025416734\n ],\n [\n 15.216751098632812,\n 38.81456613562004\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"19","issue":"6","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"56a20f41e4b0961cf2811bc3","contributors":{"authors":[{"text":"Bullard, F. M.","contributorId":152432,"corporation":false,"usgs":false,"family":"Bullard","given":"F. M.","affiliations":[],"preferred":false,"id":589319,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70168705,"text":"70168705 - 1987 - Earthquakes, January-February 1987","interactions":[],"lastModifiedDate":"2016-02-25T15:41:53","indexId":"70168705","displayToPublicDate":"1987-01-01T00:00:00","publicationYear":"1987","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1437,"text":"Earthquakes & Volcanoes (USGS)","active":true,"publicationSubtype":{"id":10}},"title":"Earthquakes, January-February 1987","docAbstract":"There were two major earthquakes (7.0-7.9) during the first two months of the year. The first, on January 30 in the South Sandwich Islands region, was in an unpopulated area; the second was on February 8 in New Guinea.
\nIn the United States the largest earthquake during this reporting period was a magntidue 6.7 on February 27 in the Aleutian Islands.
","language":"English","publisher":"U.S Geological Survey","usgsCitation":"Person, W., 1987, Earthquakes, January-February 1987: Earthquakes & Volcanoes (USGS), v. 19, no. 3, p. 102-105.","productDescription":"4 p.","startPage":"102","endPage":"105","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[],"links":[{"id":318378,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"19","issue":"3","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"56d033cce4b015c306ee0e8a","contributors":{"authors":[{"text":"Person, W. J.","contributorId":91472,"corporation":false,"usgs":true,"family":"Person","given":"W. J.","affiliations":[],"preferred":false,"id":621363,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70168706,"text":"70168706 - 1987 - Earthquakes, May-June 1987","interactions":[],"lastModifiedDate":"2016-02-25T15:45:18","indexId":"70168706","displayToPublicDate":"1987-01-01T00:00:00","publicationYear":"1987","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1437,"text":"Earthquakes & Volcanoes (USGS)","active":true,"publicationSubtype":{"id":10}},"title":"Earthquakes, May-June 1987","docAbstract":"There were no major earthquakes (7.0-7.9) during this reporting period but earthquake related deaths were reported in Italy, Iran, and the Philippine Islands.
\nIn the United States a moderate earthquake occurred in southern Illinois and caused some damage.
","language":"English","publisher":"U.S Geological Survey","usgsCitation":"Person, W., 1987, Earthquakes, May-June 1987: Earthquakes & Volcanoes (USGS), v. 19, no. 3, p. 110-112.","productDescription":"3 p.","startPage":"110","endPage":"112","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[],"links":[{"id":318379,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"19","issue":"3","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"56d033d5e4b015c306ee0eaa","contributors":{"authors":[{"text":"Person, W. J.","contributorId":91472,"corporation":false,"usgs":true,"family":"Person","given":"W. J.","affiliations":[],"preferred":false,"id":621364,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70162360,"text":"70162360 - 1987 - One hundred years of earthquake recording at the University of California","interactions":[],"lastModifiedDate":"2016-02-04T15:16:30","indexId":"70162360","displayToPublicDate":"1987-01-01T00:00:00","publicationYear":"1987","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1437,"text":"Earthquakes & Volcanoes (USGS)","active":true,"publicationSubtype":{"id":10}},"title":"One hundred years of earthquake recording at the University of California","docAbstract":"Seismology is a relatively new science, so there is special reason to celebrate the first permanent earthquake observatories in America, set up by the University of California 100 years ago.
\nThe best seismographs then available arrived from England in 1887 and were installed at Lick Observatory on Mt.Hamilton and at the Students Astronomical Observatory on the Berkeley campus. The first California earthquake recorded by the Lick instrument was on April 24, 1887. These seismographic stations have functioned continuously from their founding to the present day, with improvements in instruments from time to time as technology advanced. Now they are part of a sesimogrpahic network of 16 stations recording with great completeness both local and distant earthquakes.
","language":"English","publisher":"U.S Geological Survey","usgsCitation":"Bolt, B.A., 1987, One hundred years of earthquake recording at the University of California: Earthquakes & Volcanoes (USGS), v. 19, no. 3, p. 88-92.","productDescription":"5 p.","startPage":"88","endPage":"92","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[],"links":[{"id":314640,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"19","issue":"3","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"56a20f4de4b0961cf2811c15","contributors":{"authors":[{"text":"Bolt, B. A.","contributorId":152427,"corporation":false,"usgs":false,"family":"Bolt","given":"B.","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":589297,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70168707,"text":"70168707 - 1987 - Earthquakes, November-December 1986","interactions":[],"lastModifiedDate":"2016-02-25T15:55:37","indexId":"70168707","displayToPublicDate":"1987-01-01T00:00:00","publicationYear":"1987","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1437,"text":"Earthquakes & Volcanoes (USGS)","active":true,"publicationSubtype":{"id":10}},"title":"Earthquakes, November-December 1986","docAbstract":"There was one major earthquake (7.0-7.9) during this reporting period in Taiwan, a magnitude 7.8, which caused deaths and consideralbe damage. Earthquake-related deaths were reported in Bulgaria and in a mine in Poland.
\nThere was no significant earthquakes in the United States.
","language":"English","publisher":"U.S Geological Survey","usgsCitation":"Person, W., 1987, Earthquakes, November-December 1986: Earthquakes & Volcanoes (USGS), v. 19, no. 2, p. 77-79.","productDescription":"3 p.","startPage":"77","endPage":"79","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[],"links":[{"id":318380,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"19","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"56d033d6e4b015c306ee0eb2","contributors":{"authors":[{"text":"Person, W. J.","contributorId":91472,"corporation":false,"usgs":true,"family":"Person","given":"W. J.","affiliations":[],"preferred":false,"id":621365,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70168753,"text":"70168753 - 1987 - Earthquakes, March-April 1987","interactions":[],"lastModifiedDate":"2016-03-01T14:21:07","indexId":"70168753","displayToPublicDate":"1987-01-01T00:00:00","publicationYear":"1987","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1437,"text":"Earthquakes & Volcanoes (USGS)","active":true,"publicationSubtype":{"id":10}},"title":"Earthquakes, March-April 1987","docAbstract":"There was one major earthquake (7.0-7.9) during this reporting period. This quake was located near the coast of northern Chile and had a magnitude of 7.3. Destructive earthquakes also struck Ecuador, Japan, Indonesia and New Zealand.
\nThere were no damaging earthquakes in the United States during this period.
","language":"English","publisher":"U.S Geological Survey","usgsCitation":"Person, W., 1987, Earthquakes, March-April 1987: Earthquakes & Volcanoes (USGS), v. 19, no. 3, p. 106-110.","productDescription":"5 p.","startPage":"106","endPage":"110","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[],"links":[{"id":318458,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"19","issue":"3","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"56d6cb50e4b015c306f32cab","contributors":{"authors":[{"text":"Person, W. J.","contributorId":91472,"corporation":false,"usgs":true,"family":"Person","given":"W. J.","affiliations":[],"preferred":false,"id":621644,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70162345,"text":"70162345 - 1987 - Charles F. Richter: A personal tribute","interactions":[],"lastModifiedDate":"2018-01-12T12:50:25","indexId":"70162345","displayToPublicDate":"1987-01-01T00:00:00","publicationYear":"1987","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1437,"text":"Earthquakes & Volcanoes (USGS)","active":true,"publicationSubtype":{"id":10}},"title":"Charles F. Richter: A personal tribute","docAbstract":"With the death of Charles Richter in 1985, the seismological community lost a renowned colleague, and many of us lost a close friend and advisor. Charles was born on a farm in Ohio in 1900, received his A.B. from Stanford in 1920, and his Ph.D. from Caltech in 1928. Virtually his entire professional career was spent at the Seismological Laboratory in Pasadena, first as an employee of the Carnegie Institution of Washington and later as a Caltech faculty member. Following his retirement from Caltech in 1970, he was active for several years in the consulting firm of Lindvall, Richter, and Associates. His wife, Lillian, died in 1972, and they had no children. Richter served as President of the Seismological Society of America from 1959 to 1960 and was the second recipient of its medal in 1977.
","language":"English","publisher":"U.S Geological Survey","usgsCitation":"Allen, C.R., 1987, Charles F. Richter: A personal tribute: Earthquakes & Volcanoes (USGS), v. 19, no. 4, p. 146-149.","productDescription":"4 p.","startPage":"146","endPage":"149","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[],"links":[{"id":314617,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"19","issue":"4","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"56a20f43e4b0961cf2811bd0","contributors":{"authors":[{"text":"Allen, Clarence R.","contributorId":118693,"corporation":false,"usgs":true,"family":"Allen","given":"Clarence","email":"","middleInitial":"R.","affiliations":[{"id":7218,"text":"California Institute of Technology","active":true,"usgs":false}],"preferred":false,"id":589278,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70168529,"text":"70168529 - 1987 - Devastating tsunami inspires efforts to reduce future tsunami destruction","interactions":[],"lastModifiedDate":"2019-12-12T12:45:10","indexId":"70168529","displayToPublicDate":"1987-01-01T00:00:00","publicationYear":"1987","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1437,"text":"Earthquakes & Volcanoes (USGS)","active":true,"publicationSubtype":{"id":10}},"title":"Devastating tsunami inspires efforts to reduce future tsunami destruction","docAbstract":"The beacon from landmark Scotch Cap lighthouse pierced the moonless night of April 1, 1946, in Alaska's remote Aleutain Island chain. In the reinforced concrete lighthouse, five men were engaged in various support operations connected with the maintenance of the 80,000 candlepower beam. Perched atop a building constructed 5 years earlier on a bluff 32 feet above sea level, the proud new light rose a total of 92 feet above the swirling restless seas. On a cliff behind the lighthouse, a second building housed the Coast Guard radio-direction-finding station.
","language":"English","publisher":"U.S Geological Survey","usgsCitation":"Lockridge, P., 1987, Devastating tsunami inspires efforts to reduce future tsunami destruction: Earthquakes & Volcanoes (USGS), v. 19, no. 2, p. 60-64.","productDescription":"5 p.","startPage":"60","endPage":"64","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[],"links":[{"id":318132,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Alaska","otherGeospatial":"Unimak Island","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -163.0206298828125,\n 54.6992335284814\n ],\n [\n -163.179931640625,\n 54.7943516039205\n ],\n [\n -163.3502197265625,\n 54.78484984815637\n ],\n [\n -163.421630859375,\n 54.987070078948776\n ],\n [\n -163.4381103515625,\n 55.06578688659172\n ],\n [\n -163.85009765625,\n 55.090943622278544\n ],\n [\n -164.35546875,\n 54.942921113078356\n ],\n [\n -164.5477294921875,\n 54.94923107905585\n ],\n [\n -164.739990234375,\n 54.6992335284814\n ],\n [\n -165.0311279296875,\n 54.57524580078331\n ],\n [\n -164.80590820312497,\n 54.34214886448341\n ],\n [\n -164.4378662109375,\n 54.380557368630654\n ],\n [\n -164.256591796875,\n 54.537019638851795\n ],\n [\n -164.036865234375,\n 54.58797989384959\n ],\n [\n -163.6358642578125,\n 54.60071000748458\n ],\n [\n -163.3831787109375,\n 54.619797717849536\n ],\n [\n -163.070068359375,\n 54.64523407607479\n ],\n [\n -163.0206298828125,\n 54.6992335284814\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"19","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"56c6f93fe4b0946c6524072b","contributors":{"authors":[{"text":"Lockridge, P. A.","contributorId":34601,"corporation":false,"usgs":true,"family":"Lockridge","given":"P. A.","affiliations":[],"preferred":false,"id":620791,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70168533,"text":"70168533 - 1987 - Picture windows of opportunity","interactions":[],"lastModifiedDate":"2016-02-23T14:44:44","indexId":"70168533","displayToPublicDate":"1987-01-01T00:00:00","publicationYear":"1987","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1437,"text":"Earthquakes & Volcanoes (USGS)","active":true,"publicationSubtype":{"id":10}},"title":"Picture windows of opportunity","docAbstract":"We hate to say that we need a moderate earthquake every once in a while, but experience shows that it surely helps to sell all kinds of seismic safety programs
\nA system for forecasting landslides during major storms has been developed for the San Francisco Bay area by the U.S Geological Survey and was successfully tested during heavy storms in the bay area during February 1986. Based on the forecasts provided by the USGS, the National Weather Service (NWS) included landslide warnings in its regular weather forecasts or in special weather statements transmitted to local radio and television stations and other news media. USGS scientists said the landslide forecasting and warning system for the San Francisco Bay area can be used as a prototype in developing similar systems for other parts of the Nation susceptible to landsliding. Studies show damage from landslides in the United States averages an estimated $1.5 billion per year.
","language":"English","publisher":"U.S Geological Survey","usgsCitation":"Finley, D., 1987, System designed for issuing landslide alerts in the San Francisco Bay area: Earthquakes & Volcanoes (USGS), v. 19, no. 5, p. 171-173.","productDescription":"3 p.","startPage":"171","endPage":"173","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[],"links":[{"id":314985,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"California","otherGeospatial":"San Francisco Bay area","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -123.03039550781249,\n 38.285624966683756\n ],\n [\n -122.37670898437499,\n 38.57393751557591\n ],\n [\n -121.6021728515625,\n 38.11727165830543\n ],\n [\n -121.56921386718751,\n 37.47921744485059\n ],\n [\n -121.8548583984375,\n 37.19533058280065\n ],\n [\n -122.26684570312499,\n 37.068327517596586\n ],\n [\n -122.4591064453125,\n 37.15156050223665\n ],\n [\n -122.56347656249999,\n 37.50972584293751\n ],\n [\n -122.80517578125,\n 37.87485339352928\n ],\n [\n -123.04687499999999,\n 37.974514992024616\n ],\n [\n -123.134765625,\n 38.225235239076824\n ],\n [\n -123.03039550781249,\n 38.285624966683756\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"19","issue":"5","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"56ab49d3e4b07ca61bfea5ed","contributors":{"authors":[{"text":"Finley, D.","contributorId":152665,"corporation":false,"usgs":false,"family":"Finley","given":"D.","email":"","affiliations":[],"preferred":false,"id":590090,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70168494,"text":"70168494 - 1987 - Failure of a massive earthquake-induced landslide dam in Papua New Guinea","interactions":[],"lastModifiedDate":"2019-12-12T12:39:31","indexId":"70168494","displayToPublicDate":"1987-01-01T00:00:00","publicationYear":"1987","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1437,"text":"Earthquakes & Volcanoes (USGS)","active":true,"publicationSubtype":{"id":10}},"title":"Failure of a massive earthquake-induced landslide dam in Papua New Guinea","docAbstract":"In many areas of the world, landslides dams are both interesting natural phenomena and significant hazards. A few of the these natural blockages attain heights that rival or exceed those of the largest manmade dams. A landslide dam in its natural state differs from a constructed embankment dam in that it is composed of a heterogeneous mass of poorly consolidated earth debris and has no channeled spillway or other protected outlet for its impoundment. Having no outlet, landslide dams upon overtopping very commonly fail by breaching due to erosion by the overflowing stream. Some of the world's largest and most devastating floods have occurred because of the failure of large landslide dams (Schuster and Costa, 1986).
This article discusses the recent occurrence of a large earthquake-induced landslide that dammed the Bairaman River in the interior of the island of New Britian, Papua New Guinea, and the subsequent overtopping and failure of this landslide dam.
","language":"English","publisher":"U.S Geological Survey","usgsCitation":"King, J.P., Loveday, I.C., and Schuster, R.L., 1987, Failure of a massive earthquake-induced landslide dam in Papua New Guinea: Earthquakes & Volcanoes (USGS), v. 19, no. 2, p. 40-47.","productDescription":"8 p.","startPage":"40","endPage":"47","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[],"links":[{"id":318092,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"Papua New Guinea","otherGeospatial":"New Britain","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n 152.4462890625,\n -5.167540507950538\n ],\n [\n 152.55615234375,\n -4.116327411282937\n ],\n [\n 152.0068359375,\n -3.9519408561575817\n ],\n [\n 151.292724609375,\n -4.061535597066094\n ],\n [\n 151.424560546875,\n -4.8282597468669755\n ],\n [\n 150.941162109375,\n -4.751624041481169\n ],\n [\n 149.886474609375,\n -4.915832801313164\n ],\n [\n 148.271484375,\n -5.3425828520359735\n ],\n [\n 148.194580078125,\n -5.932972207945653\n ],\n [\n 150.35888671875,\n -6.533645130567532\n ],\n [\n 152.4462890625,\n -5.167540507950538\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"19","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"56c45641e4b0946c65218519","contributors":{"authors":[{"text":"King, J. 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The criteria that we developed were applied equally well by the interpretors, regardless of their training or experience. Overall accuracy (i.e., omission errors) of all six classes combined was 68% correct, whereas, overall accuracy of individual classes ranged from 50 to 100% correct. Mapping accuracy (i.e. omission and commission errors) of individual classes ranged from 36 to 75%. Although the key developed for this study has only limited application outside the context of the data and sites examined in this study, it is concluded that low-altitude aerial photography, together with limited amounts of collateral ground survey information, can be used to economically identify beds of submersed macrophytes in the St. Clair-Detroit River system and other similar water bodies.
","largerWorkType":{"id":24,"text":"Conference Paper"},"largerWorkTitle":"Color aerial photography in the plant sciences and related fields : proceedings of the Tenth Biennial Workshop on Color Aerial Photography in the Plant Sciences","largerWorkSubtype":{"id":19,"text":"Conference Paper"},"conferenceTitle":"Tenth Biennial Workshop on Color Aerial Photography in the Plant Sciences","conferenceDate":"May 21-24, 1985","conferenceLocation":"Ann Arbor, MI","language":"English","publisher":"American Society for Photogrammetry and Remote Sensing","usgsCitation":"Schloesser, D.W., Manny, B.A., Brown, C.L., and Jaworski, E., 1987, Use of low-altitude aerial photography to identify submersed aquatic macrophytes, in Color aerial photography in the plant sciences and related fields : proceedings of the Tenth Biennial Workshop on Color Aerial Photography in the Plant Sciences, Ann Arbor, MI, May 21-24, 1985, p. 19-28.","productDescription":"10 p.","startPage":"19","endPage":"28","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":324,"text":"Great Lakes Science Center","active":true,"usgs":true}],"links":[{"id":321638,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5746ccc7e4b07e28b662dd71","contributors":{"authors":[{"text":"Schloesser, Donald W. dschloesser@usgs.gov","contributorId":3579,"corporation":false,"usgs":true,"family":"Schloesser","given":"Donald","email":"dschloesser@usgs.gov","middleInitial":"W.","affiliations":[{"id":324,"text":"Great Lakes Science Center","active":true,"usgs":true}],"preferred":true,"id":630197,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Manny, Bruce A. 0000-0002-4074-9329 bmanny@usgs.gov","orcid":"https://orcid.org/0000-0002-4074-9329","contributorId":3699,"corporation":false,"usgs":true,"family":"Manny","given":"Bruce","email":"bmanny@usgs.gov","middleInitial":"A.","affiliations":[{"id":324,"text":"Great Lakes Science Center","active":true,"usgs":true}],"preferred":true,"id":630198,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Brown, Charles L.","contributorId":102421,"corporation":false,"usgs":true,"family":"Brown","given":"Charles","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":630199,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Jaworski, Eugene","contributorId":103767,"corporation":false,"usgs":true,"family":"Jaworski","given":"Eugene","email":"","affiliations":[],"preferred":false,"id":630200,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":70171389,"text":"70171389 - 1987 - Predicting baseflow alkalinity as an index to episodic stream acidification and fish presence","interactions":[],"lastModifiedDate":"2016-05-31T09:33:19","indexId":"70171389","displayToPublicDate":"1987-01-01T00:00:00","publicationYear":"1987","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2529,"text":"Journal of the American Water Resources Association","active":true,"publicationSubtype":{"id":10}},"title":"Predicting baseflow alkalinity as an index to episodic stream acidification and fish presence","docAbstract":"Regression models to predict baseflow alkalinity from basin hydrogeology were developed and verified for headwater streams on the Laurel Hill anticline in southwestern Pennsylvania. Predicted baseflow alkalinities were then used to estimate sensitivity to acidification and presence of trout (Salvelinus fontinalis) populations for 61 headwater streams. Sensitivity classifications were verified by surveying trout populations. Geologic variables relating to the carbonate rock burial depth, extent of carbonate rock recharge areas, and length of stream channel flowing through effluent carbonate rock outcrops were much more useful in predicting baseflow alkalinity than areal extent of carbonate rocks. Baseflow alkalinity was not well related to status of trout populations on these anticlinal basins, especially on noneffluent basins where bedrock dip exceeded surface slope.
","language":"English","publisher":"Wiley","doi":"10.1111/j.1752-1688.1987.tb00781.x","usgsCitation":"DeWalle, D.R., Dinicola, R., and Sharpe, W.E., 1987, Predicting baseflow alkalinity as an index to episodic stream acidification and fish presence: Journal of the American Water Resources Association, v. 23, no. 1, p. 29-35, https://doi.org/10.1111/j.1752-1688.1987.tb00781.x.","productDescription":"7 p.","startPage":"29","endPage":"35","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":622,"text":"Washington Water Science Center","active":true,"usgs":true}],"links":[{"id":321870,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"23","issue":"1","noUsgsAuthors":false,"publicationDate":"2007-06-08","publicationStatus":"PW","scienceBaseUri":"574eb5dbe4b0ee97d51a83f0","contributors":{"authors":[{"text":"DeWalle, David R.","contributorId":23291,"corporation":false,"usgs":true,"family":"DeWalle","given":"David","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":630842,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Dinicola, Richard S. 0000-0003-4222-294X dinicola@usgs.gov","orcid":"https://orcid.org/0000-0003-4222-294X","contributorId":352,"corporation":false,"usgs":true,"family":"Dinicola","given":"Richard S.","email":"dinicola@usgs.gov","affiliations":[{"id":622,"text":"Washington Water Science Center","active":true,"usgs":true}],"preferred":true,"id":630843,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Sharpe, William E.","contributorId":169553,"corporation":false,"usgs":false,"family":"Sharpe","given":"William","email":"","middleInitial":"E.","affiliations":[],"preferred":false,"id":630844,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70175265,"text":"70175265 - 1987 - Some effects of climate variability on hydrology in western North America","interactions":[],"lastModifiedDate":"2016-08-03T13:57:20","indexId":"70175265","displayToPublicDate":"1987-01-01T00:00:00","publicationYear":"1987","noYear":false,"publicationType":{"id":24,"text":"Conference Paper"},"publicationSubtype":{"id":19,"text":"Conference Paper"},"title":"Some effects of climate variability on hydrology in western North America","docAbstract":"The strong north-south gradient in precipitation along the West Coast makes this region an interesting laboratory for studying the influence of climate on runoff variability in general and riverine chemistry in particular. Interannual fluctuations in large-scale atmospheric circulation and associated precipitation and runoff can produce major disruptions in the \"average\" climatologic picture. Such fluctuations can be inferred and simplified from the time-averaged atmospheric pressure field and large-scale patterns of stream flow anomalies (eg., high or low stream flow). Further, the effect of the climate gradient along western United States on the total dissolved solids concentrations in rivers is summarized as a highly idealized force-response model of total dissolved solids concentrations as a function of river flow. The response in wet years is more like the wetter climate response curves observed to the north and the response in dry years is more like the drier response curves observed to the south.
","largerWorkType":{"id":4,"text":"Book"},"largerWorkTitle":"The influence of climate change and climatic variability on the hydrologic regime and water resources (Proceedings of the Vancouver Symposium, August 1987), IAHS Publication no. 168","largerWorkSubtype":{"id":12,"text":"Conference publication"},"language":"English","publisher":"IAHS","usgsCitation":"Peterson, D.H., Cayan, D., Dileo-Stevens, J.S., and Ross, T., 1987, Some effects of climate variability on hydrology in western North America, in The influence of climate change and climatic variability on the hydrologic regime and water resources (Proceedings of the Vancouver Symposium, August 1987), IAHS Publication no. 168, v. 168, p. 45-62.","productDescription":"18 p.","startPage":"45","endPage":"62","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":552,"text":"San Francisco Bay-Delta","active":false,"usgs":true},{"id":5079,"text":"Pacific Regional Director's Office","active":true,"usgs":true}],"links":[{"id":326055,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":326054,"rank":1,"type":{"id":15,"text":"Index Page"},"url":"https://iahs.info/Publications-News/paper-search.do"}],"volume":"168","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"57a315d1e4b006cb45558ba1","contributors":{"authors":[{"text":"Peterson, D. H.","contributorId":92229,"corporation":false,"usgs":true,"family":"Peterson","given":"D.","middleInitial":"H.","affiliations":[],"preferred":false,"id":644615,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Cayan, D.R.","contributorId":25961,"corporation":false,"usgs":false,"family":"Cayan","given":"D.R.","email":"","affiliations":[{"id":16196,"text":"Scripps Institution of Oceanography, La Jolla, CA","active":true,"usgs":false}],"preferred":false,"id":644616,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Dileo-Stevens, J. S.","contributorId":13650,"corporation":false,"usgs":true,"family":"Dileo-Stevens","given":"J.","email":"","middleInitial":"S.","affiliations":[],"preferred":false,"id":644617,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Ross, T.G.","contributorId":34987,"corporation":false,"usgs":true,"family":"Ross","given":"T.G.","email":"","affiliations":[],"preferred":false,"id":644618,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":70171182,"text":"70171182 - 1987 - Sanctuaries for lake trout in the Great Lakes","interactions":[],"lastModifiedDate":"2016-05-25T12:50:57","indexId":"70171182","displayToPublicDate":"1987-01-01T00:00:00","publicationYear":"1987","noYear":false,"publicationType":{"id":24,"text":"Conference Paper"},"publicationSubtype":{"id":19,"text":"Conference Paper"},"title":"Sanctuaries for lake trout in the Great Lakes","docAbstract":"Populations of lake trout, severely depleted in Lake Superior and virtually extirpated from the other Great Lakes because of sea lamprey predation and intense fishing, are now maintained by annual plantings of hatchery-reared fish in Lakes Michigan, Huron, and Ontario and parts of Lake Superior. The extensive coastal areas of the Great Lakes and proximity to large populations resulted in fishing pressure on planted lake trout heavy enough to push annual mortality associated with sport and commercial fisheries well above the critical level needed to reestablish self-sustaining stocks. The interagency, international program for rehabilitating lake trout includes controlling sea lamprey abundance, stocking hatchery-reared lake trout, managing the catch, and establishing sanctuaries where harvest is prohibited. Three lake trout sanctuaries have been established in Lake Michigan: the Fox Island Sanctuary of 121, 500 ha, in the Chippewa-Ottawa Treaty fishing zone in the northern region of the lake; the Milwaukee Reef Sanctuary of 160, 000 ha in midlake, in boundary waters of Michigan and Wisconsin; and Julian's Reef Sanctuary of 6, 500 ha, in Illinois waters. In northern Lake Huron, Drummond Island Sanctuary of 55, 000 ha is two thirds in Indian treaty-ceded waters in Michigan and one third in Ontario waters of Canada. A second sanctuary, Six Fathom Bank-Yankee Reef Sanctuary, in central Lake Huron contains 168, 000 ha. Sanctuary status for the Canadian areas remains to be approved by the Provincial government. In Lake Superior, sanctuaries protect the spawning grounds of Gull Island Shoal (70, 000 ha) and Devils Island Shoal (44, 000 ha) in Wisconsin's Apostle Island area. These seven sanctuaries, established by the several States and agreed upon by the States, Indian tribes, the U.S. Department of the Interior, and the Province of Ontario, contribute toward solving an interjurisdictional fishery problem.
","largerWorkType":{"id":24,"text":"Conference Paper"},"largerWorkTitle":"Coastal zone '87 : proceedings of the Fifth Symposium on Coastal and Ocean Management","largerWorkSubtype":{"id":19,"text":"Conference Paper"},"conferenceTitle":"Fifth Symposium on Coastal and Ocean Management","conferenceDate":"May 26-29, 1987","conferenceLocation":"Seattle, WA","language":"English","publisher":"American Society of Civil Engineers","usgsCitation":"Stanley, J.G., Eshenroder, R., and Hartman, W.L., 1987, Sanctuaries for lake trout in the Great Lakes, in Coastal zone '87 : proceedings of the Fifth Symposium on Coastal and Ocean Management, Seattle, WA, May 26-29, 1987, p. 3141-3152.","productDescription":"12 p.","startPage":"3141","endPage":"3152","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":324,"text":"Great Lakes Science Center","active":true,"usgs":true}],"links":[{"id":321637,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5746ccc1e4b07e28b662dd20","contributors":{"authors":[{"text":"Stanley, Jon G.","contributorId":62958,"corporation":false,"usgs":true,"family":"Stanley","given":"Jon","email":"","middleInitial":"G.","affiliations":[],"preferred":false,"id":630194,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Eshenroder, Randy L.","contributorId":86716,"corporation":false,"usgs":true,"family":"Eshenroder","given":"Randy L.","affiliations":[],"preferred":false,"id":630195,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Hartman, Wilbur L.","contributorId":14763,"corporation":false,"usgs":true,"family":"Hartman","given":"Wilbur","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":630196,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70137258,"text":"70137258 - 1987 - Background and objectives of the New Jersey Transect: continental slope and upper rise","interactions":[],"lastModifiedDate":"2023-01-03T14:29:43.915811","indexId":"70137258","displayToPublicDate":"1987-01-01T00:00:00","publicationYear":"1987","noYear":false,"publicationType":{"id":5,"text":"Book chapter"},"publicationSubtype":{"id":24,"text":"Book Chapter"},"title":"Background and objectives of the New Jersey Transect: continental slope and upper rise","docAbstract":"No abstract available.
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","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/pp1436","usgsCitation":"1987, Geology of the Blue Mountains region of Oregon, Idaho, and Washington; the Idaho Batholith and its border zone: U.S. Geological Survey Professional Paper 1436, v, 196 p., https://doi.org/10.3133/pp1436.","productDescription":"v, 196 p.","costCenters":[],"links":[{"id":491970,"rank":8,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_76360.htm","text":"Lithologic and chemical characteristics of the central and southeastern part of the southern lobe of the Idaho batholith","linkFileType":{"id":5,"text":"html"}},{"id":491969,"rank":7,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_76359.htm","text":"Pre-Cenozoic geology of the West Mountain-Council Mountain-New Meadows area, west-central Idaho","linkFileType":{"id":5,"text":"html"}},{"id":491968,"rank":6,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_76358.htm","text":"Temporal and spatial relations between folding, intrusion, metamorphism, and thrust faulting in the Riggins area, west-central Idaho","linkFileType":{"id":5,"text":"html"}},{"id":491967,"rank":5,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_76357.htm","text":"Petrogenesis, geochronology, and hydrothermal systems of the northern Idaho batholith and adjacent areas based on 18O/16O, D/H, 87Sr/86Sr, K-Ar, and 40Ar/39Ar studies","linkFileType":{"id":5,"text":"html"}},{"id":491966,"rank":4,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_76356.htm","text":"Emplacement of the main plutons of the Bitterroot lobe of the Idaho batholith","linkFileType":{"id":5,"text":"html"}},{"id":422979,"rank":3,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_76355.htm","text":"Petrology and origin of the Bitterroot lobe of the Idaho batholith","linkFileType":{"id":5,"text":"html"}},{"id":119327,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/pp/1436/report-thumb.jpg"},{"id":65021,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/pp/1436/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"country":"United States","state":"Idaho, Oregon, Washington","otherGeospatial":"Blue Mountains region","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n -112.63685014021988,\n 46.691179124726006\n ],\n [\n -120.26513945413637,\n 46.69377894585432\n ],\n [\n -120.2640349328272,\n 43.84133788011758\n ],\n [\n -112.66452076496381,\n 43.84133788011758\n ],\n [\n -112.63685014021988,\n 46.691179124726006\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4ad5e4b07f02db68340d","contributors":{"editors":[{"text":"Vallier, T.L.","contributorId":69526,"corporation":false,"usgs":true,"family":"Vallier","given":"T.L.","affiliations":[],"preferred":false,"id":749904,"contributorType":{"id":2,"text":"Editors"},"rank":1},{"text":"Brooks, Howard C.","contributorId":79393,"corporation":false,"usgs":true,"family":"Brooks","given":"Howard","email":"","middleInitial":"C.","affiliations":[],"preferred":false,"id":888719,"contributorType":{"id":2,"text":"Editors"},"rank":2}]}} ,{"id":21461,"text":"ofr86247 - 1987 - Solute geochemistry of the Snake River plain regional aquifer system, Idaho and eastern Oregon","interactions":[{"subject":{"id":21461,"text":"ofr86247 - 1987 - Solute geochemistry of the Snake River plain regional aquifer system, Idaho and eastern Oregon","indexId":"ofr86247","publicationYear":"1987","noYear":false,"title":"Solute geochemistry of the Snake River plain regional aquifer system, Idaho and eastern Oregon"},"predicate":"SUPERSEDED_BY","object":{"id":38449,"text":"pp1408D - 1988 - Solute geochemistry of the Snake River plain regional aquifer system, Idaho and eastern Oregon","indexId":"pp1408D","publicationYear":"1988","noYear":false,"chapter":"D","title":"Solute geochemistry of the Snake River plain regional aquifer system, Idaho and eastern Oregon"},"id":1}],"supersededBy":{"id":38449,"text":"pp1408D - 1988 - Solute geochemistry of the Snake River plain regional aquifer system, Idaho and eastern Oregon","indexId":"pp1408D","publicationYear":"1988","noYear":false,"title":"Solute geochemistry of the Snake River plain regional aquifer system, Idaho and eastern Oregon"},"lastModifiedDate":"2023-02-21T13:57:21.054086","indexId":"ofr86247","displayToPublicDate":"1987-01-01T00:00:00","publicationYear":"1987","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":330,"text":"Open-File Report","code":"OFR","onlineIssn":"2331-1258","printIssn":"0196-1497","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"86-247","title":"Solute geochemistry of the Snake River plain regional aquifer system, Idaho and eastern Oregon","docAbstract":"Three geochemical methods were used to determine chemical reactions that control solute concentrations in the Snake River Plain regional aquifer system: (1) Calculation of a regional solute balance within the aquifer and of mineralogy in the aquifer framework to identify solute reactions, (2) comparison of thermodynamic mineral saturation indices with plausible solute reactions, and (3) comparison of stable-isotope ratios of the ground water with those in the aquifer framework. The geothermal ground-water system underlying the main aquifer system was examined by calculating thermodynamic mineral saturation indices, stable-isotope ratios of geothermal water, geothermometry, and radiocarbon dating.
Water budgets, hydrologic arguments, and isotopic analyses for the eastern Snake River Plain aquifer system demonstrate that most, if not all, water is of local meteoric and not juvenile or formation origin. Solute-balance, isotopic, mineralogic, and thermodynamic arguments suggest that about 20 percent of the solutes are derived from reactions with rocks forming the aquifer framework.
Solute reactions indicate that calcite and silica are precipitated in the aquifer. Mineralogic evidence and thermodynamic arguments suggest that olivine, pyroxene, pyrite, and anhydrite are being dissolved and plagioclase is being weathered. Large amounts of sodium and chloride, relative to their concentration in the igneous rock, are being removed from the aquifer. Release of fluids from inclusions in the igneous rocks, and initial flushing of grain boundaries and pores of detrital marine sediments in interbeds are believed to be the source of the sodium chloride. Identification and quantification of reactions controlling solute concentrations in ground water in the eastern plain indicate that the aquifer is not a large mixing vessel that simply stores and transmits water and solutes but is undergoing diagenesis and is both a source and sink for solutes.
Evaluation of solute concentrations and stable-isotope ratios of hydrogen, oxygen, carbon, and sulfur along ground-water flowpaths that transect irrigated areas suggests that irrigation water may have altered solute concentrations and isotope ratios in the eastern Snake River Plain aquifer system. The changes, however, have been small, owing to similarity of solute concentrations in applied irrigation water and in native ground water and rapid movement and large dispersivity of the aquifer.
Reactions controlling solutes in the western Snake River basin are believed to be similar to those in the eastern basin but, because of different hydrologic conditions, a definitive analysis could not be made.
The regional geothermal system that underlies the Snake River Plain contains total dissolved solids similar to those in the overlying Snake River Plain aquifer system but contains higher concentrations of sodium, bicarbonate, silica, fluoride, sulfate, chloride, arsenic, boron, and lithium, and lower concentrations of calcium, magnesium, and hydrogen. These solutes are believed to be derived from reactions similar to those in the Snake River Plain aquifer system, except that ion exchange may be a significant mechanism controlling solute concentrations in the geothermal system.
Geothermometry calculations of selected ground-water samples from known geothermal areas throughout the basin suggest that the geothermal system is large in areal extent but has relatively low temperatures. Approximately half of the silica-quartz calculated water temperatures are greater than 90 degrees Celsius. Radiocarbon dating of geothermal water in the Salmon Falls and Bruneau-Grand View areas in the south-central part of the Snake River basin suggests that residence time of the geothermal water is about 17,700 years.
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