437:
428:
42:
528:
27:
105:
49:
63:
77:
91:
857:
478:, surface facilities such as pumping units, storage tanks, pipelines, and support buildings were all damaged to some degree. One oil company administration building, about 7 km (4.3 mi) north of Coalinga, sustained major structural damage, and its two brick chimneys were toppled. Subsurface damage, including collapsed or parted
725:
470:
All public utilities were damaged, but the water system continued to function despite many leaks in its transmission piping. Gas was shut off for several days because of broken piping and leaks, but only temporary interruptions of electric and telephone services were reported. One large section of
511:
The
Coalinga earthquake suggested to geologists that the state of California was in worse seismological danger than had been thought. The pace of earthquake activity along the Pacific coast was identified as a relevant subject for further study, and the investigation of earthquakes stemming from
507:
The
California Seismic Safety Commission investigated the temblor, provided funding and expert technical assistance for planning and reconstruction and published a report on the quake. Coalinga recovered 98 percent of its expenses in repairing and rebuilding public buildings at a time when an 85
418:
listed the following statistics on damage in the area: almost destroyed – 309 single-family houses and 33 apartment buildings; major damage – 558 single-family houses, 94 mobile homes, and 39 apartment buildings; and minor damage – 811 single-family houses, 22 mobile homes, and 70 apartment
403:) and injured 94 people. Damage was most severe in Coalinga, where the eight-block downtown commercial district was almost destroyed. Here, buildings having unreinforced brick walls sustained the heaviest damage. Newer buildings, such as the
498:
as far as 34 km (21 mi) northwest, 15 km (9.3 mi) south, and 26 km (16 mi) southwest of the epicenter. Only a few slope failures occurred east of the epicenter because of the absence of steep slopes in that
391:, none of which appeared to represent movement on deeply rooted fault structures. About five weeks later, on June 11, an aftershock caused surface faulting about 12 km (7.5 mi) northwest of Coalinga.
386:
northeast of
Coalinga, but surface faulting was not observed. Ground and aerial reconnaissance immediately after the quake revealed ground cracks and fissures within about 10 kilometers (6.2 mi) of the
861:
738:
1803:
1494:
1073:
419:
buildings. Most public buildings, including the City Hall, hospital, schools, fire house, post office, and police station, sustained only minor damage.
800:
1487:
684:
2286:
2245:
914:
886:
701:
2291:
1823:
1480:
41:
407:
and the
Guarantee Savings and Loan, sustained only superficial damage. The most significant damage outside the Coalinga area was at
1503:
833:
551:
1066:
516:
quake would do far more damage than this one and that if it struck in a densely populated area the damage would be incalculable.
1632:
1213:
755:
604:
206:
2164:
1773:
1547:
699:
Senate Bill No. 1278 Chapter 532 An act to amend
Sections of the Government Code relating to the Seismic Safety Commission.
275:
2296:
1948:
1552:
1315:
1098:
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128:
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1943:
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1778:
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1424:
1273:
1231:
1140:
142:
2235:
2094:
1973:
1938:
1898:
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1309:
1285:
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1164:
680:
2174:
2149:
2059:
1998:
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2119:
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1748:
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1708:
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1627:
1522:
1388:
1243:
1134:
1128:
451:
Six bridges of 60 in the area sustained measurable structural damage, which consisted of hairline cracks and
812:
1993:
1963:
1878:
1868:
1833:
1678:
1612:
1602:
1436:
1279:
1122:
952:
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808:
2301:
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1968:
1953:
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1454:
1418:
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1327:
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2209:
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1918:
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117:
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301:
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2271:
2159:
2134:
2039:
1783:
1763:
1728:
1663:
1448:
1412:
1261:
358:
were recorded through July 31, of which 894 had a magnitude of 2.5 or larger. It measured 6.2 on the
865:
676:
2199:
2144:
2124:
2114:
2109:
2104:
2069:
2008:
1983:
1858:
1698:
1537:
1532:
1460:
1369:
1333:
973:
363:
335:
1024:
2194:
2099:
2049:
1978:
1793:
1713:
1587:
1572:
1557:
1207:
1170:
1104:
985:
241:
2225:
2189:
2154:
2089:
2044:
1958:
1923:
1903:
1888:
1883:
1838:
1818:
1753:
1733:
1723:
1622:
1582:
1430:
1351:
1249:
1158:
1146:
1006:
359:
339:
147:
2230:
2204:
2084:
2079:
1683:
967:
882:
847:
698:
134:
783:
471:
old concrete sewerage west of the downtown area partly collapsed but continued to function.
997:
961:
784:"Effects of the 1983 Coalinga, California, earthquake on creep along the San Andreas fault"
328:
8:
760:
475:
415:
408:
400:
251:
600:
533:
479:
399:
The earthquake caused an estimated $ 10 million in property damage (according to the
1472:
646:
Associated Press, "Coalinga
Earthquake: It Might Have Been Worse Somewhere Else",
827:
705:
590:
460:
404:
379:
720:
801:"Strong Motion Data From the Coalinga, California Earthquakes and Aftershocks"
2265:
779:
343:
221:
208:
1051:
26:
892:
512:
unknown faults caused concern. California officials said that a predicted
355:
805:
The 1983 Coalinga, California
Earthquakes, CDMG Special Publication 66
495:
491:
464:
388:
383:
455:
at the top of the support columns, fracturing and displacement of
445:
USGS ShakeMaps for the mainshock (left) and the July 22 aftershock
807:, OSMS 83-04, California Strong Motion Instrumentation Program,
351:
739:"Lesson of Coalinga: California Seems in Still Greater Peril,"
452:
848:
The
Coalinga Anticline and the Coalinga Earthquake of 1983
411:, 31 kilometers (19 mi) southeast of the epicenter.
878:
327:
struck at 4:42 p.m. Monday, May 2 of that year, in
1502:
1039:
indicates earthquake resulting in at least 30 deaths
829:
Seismicity of the United States, 1568–1989 (Revised)
523:
832:, U.S. Geological Survey professional paper 1527,
482:, was observed on fourteen of 1,725 active wells.
2263:
788:Bulletin of the Seismological Society of America
778:
104:
1044:indicates the deadliest earthquake of the year
798:
378:The Coalinga quake was caused by an 0.5-meter
31:A destroyed building on 5th Street in Coalinga
1488:
1081:
1067:
908:
825:
633:
621:
576:
572:
570:
568:
566:
922:
508:percent recovery was considered a success.
1495:
1481:
1074:
1060:
915:
901:
25:
563:
302:
182:
834:United States Government Printing Office
809:California Division of Mines and Geology
756:"Lessons of 'Moderate' Coast Earthquake"
718:Borba, Jeanie; Diaz, Sam. (May 2, 1993)
617:
615:
552:List of earthquakes in the United States
799:Shakal, A. F.; Ragsdale, J. T. (1983),
753:
16:Earthquake affecting Central California
2264:
826:Stover, C. W.; Coffman, J. L. (1993),
671:
669:
667:
665:
663:
661:
659:
657:
490:The earthquake triggered thousands of
1476:
1055:
896:
691:
612:
588:
2287:History of Fresno County, California
726:Coalinga – The town the quake built.
582:
782:; Schulz, S.; Brown, B. D. (1983),
654:
48:
13:
879:International Seismological Centre
841:
687:from the original on 26 June 2008.
62:
14:
2313:
2292:History of the San Joaquin Valley
871:
547:List of earthquakes in California
485:
1504:Earthquakes in the United States
860: This article incorporates
855:
526:
435:
426:
103:
89:
76:
75:
61:
47:
40:
866:United States Geological Survey
754:Lindsey, Robert (May 4, 1983).
747:
681:United States Geological Survey
268:
731:
712:
639:
627:
90:
1:
557:
414:A disaster assessment by the
373:
850:– San Joaquin Valley Geology
502:
334:The shock was felt from the
7:
542:List of earthquakes in 1983
519:
10:
2318:
2297:Buried rupture earthquakes
728:Section: Telegraph; p. A1.
677:"Earthquake's destruction"
597:Cambridge University Press
592:Active Faults of the World
196:10 kilometers (6 mi)
2277:Earthquakes in California
2218:
2165:2018 Southern Appalachian
2032:
1656:
1510:
1379:
1198:
1089:
1083:Earthquakes in California
1034:
936:
634:Stover & Coffman 1993
622:Stover & Coffman 1993
577:Stover & Coffman 1993
394:
313:
296:
288:
267:
259:
247:
237:
200:
192:
176:
168:
153:
140:
127:
116:
36:
24:
1553:1812 San Juan Capistrano
1099:1812 San Juan Capistrano
476:oil fields near Coalinga
336:Greater Los Angeles Area
325:1983 Coalinga earthquake
20:1983 Coalinga earthquake
2185:2020 Monte Cristo Range
1934:1986 North Palm Springs
1789:1948 Desert Hot Springs
1316:1987 Superstition Hills
1304:1986 North Palm Springs
1268:1948 Desert Hot Springs
650:, May 4, 1983, page 38
2236:2010–11 Guy-Greenbrier
1809:1957 Andreanof Islands
1633:1892 Vacaville–Winters
1578:1867 Manhattan, Kansas
1214:1892 Vacaville–Winters
862:public domain material
360:moment magnitude scale
2246:2009–present Oklahoma
2135:2014 Southeast Alaska
2130:2014 Aleutian Islands
1944:1987 Whittier Narrows
1854:1968 Borrego Mountain
1804:1954 Churchill County
1779:1946 Aleutian Islands
1774:1944 Cornwall–Massena
1674:1906 Aleutian Islands
1518:1585 Aleutian Islands
1425:1987 Whittier Narrows
1274:1968 Borrego Mountain
157:May 2, 1983
2282:Coalinga, California
2095:2010 Baja California
1949:1987 Imperial Valley
1939:1986 Chalfant Valley
1899:1979 Imperial Valley
1694:1915 Pleasant Valley
1689:1915 Imperial Valley
1310:1986 Chalfant Valley
1286:1979 Imperial Valley
1232:1915 Imperial Valley
1183:2010 Baja California
1141:1915 Baja California
709:(September 28, 2006)
463:, and settlement of
329:Coalinga, California
2175:2020 Salt Lake City
2120:2013 Port Alexander
2060:2006 Gulf of Mexico
1974:1992 Cape Mendocino
1739:1932 Cedar Mountain
1608:1872 North Cascades
1165:1992 Cape Mendocino
976:(5.3, September 10)
927:Earthquakes in 1983
737:Blakeslee, Sandra.
648:Santa Cruz Sentinel
218: /
123:1983-05-02 23:42:37
21:
2302:1983 in California
2180:2020 Central Idaho
1999:1993 Klamath Falls
1814:1957 San Francisco
1769:1940 New Hampshire
1749:1934 Hansel Valley
1719:1925 Santa Barbara
1709:1921 Sevier Valley
1669:1906 San Francisco
1628:1892 Laguna Salada
1558:1812 Santa Barbara
1548:1811–12 New Madrid
1523:1638 New Hampshire
1389:1957 San Francisco
1244:1925 Santa Barbara
1135:1906 San Francisco
1129:1892 Laguna Salada
1021:(7.4, December 30)
1015:(7.7, November 30)
1013:Chagos Archipelago
1009:(6.7, November 16)
1000:(5.7, November 7)
988:(6.9, October 30)
887:authoritative data
761:The New York Times
742:The New York Times
704:2008-08-07 at the
636:, pp. 97, 175
589:Yeats, R. (2012),
416:American Red Cross
401:American Red Cross
364:Mercalli intensity
362:and had a maximum
354:. More than 5,000
346:, and between the
309:July 22 at 02:39
252:Central California
19:
2259:
2258:
1994:1993 Scotts Mills
1964:1991 Sierra Madre
1879:1975 Near Islands
1869:1971 San Fernando
1834:1962 Cache Valley
1679:1909 Wabash River
1613:1882 Fort Collins
1603:1872 Owens Valley
1470:
1469:
1437:1991 Sierra Madre
1280:1971 San Fernando
1123:1872 Owens Valley
1049:
1048:
1027:(4.7, November 8)
982:(6.9, October 28)
606:978-0-521-19085-5
534:California portal
321:
320:
2309:
2272:1983 earthquakes
2075:2008 Chino Hills
2019:1999 Hector Mine
1969:1992 Joshua Tree
1954:1989 Loma Prieta
1929:1984 Morgan Hill
1909:1981 Westmorland
1894:1979 Coyote Lake
1849:1965 Puget Sound
1844:1965 Rat Islands
1829:1959 Hebgen Lake
1799:1952 Kern County
1704:1918 San Jacinto
1648:1899 San Jacinto
1643:1898 Mare Island
1563:1838 San Andreas
1497:
1490:
1483:
1474:
1473:
1455:2008 Chino Hills
1419:1981 Westmorland
1407:1979 Coyote Lake
1328:1992 Joshua Tree
1322:1989 Loma Prieta
1298:1984 Morgan Hill
1238:1918 San Jacinto
1226:1899 San Jacinto
1220:1898 Mare Island
1177:1999 Hector Mine
1153:1952 Kern County
1111:1838 San Andreas
1076:
1069:
1062:
1053:
1052:
970:(6.5, August 17)
917:
910:
903:
894:
893:
859:
858:
836:
822:
821:
820:
811:, archived from
795:
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710:
695:
689:
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233:
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228:
223:
222:36.23°N 120.31°W
219:
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187:
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107:
106:
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92:
79:
78:
65:
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44:
29:
22:
18:
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2316:
2312:
2311:
2310:
2308:
2307:
2306:
2262:
2261:
2260:
2255:
2251:2019 Ridgecrest
2214:
2210:2024 New Jersey
2170:2019 Ridgecrest
2140:2014 South Napa
2065:2006 Kiholo Bay
2055:2003 San Simeon
2028:
2024:2000 Yountville
2014:1998 Pymatuning
2004:1994 Northridge
1989:1992 St. George
1919:1983 Borah Peak
1874:1973 Point Mugu
1864:1969 Santa Rosa
1824:1958 Lituya Bay
1759:1936 State Line
1744:1933 Long Beach
1652:
1638:1895 Charleston
1618:1886 Charleston
1593:1870 Charlevoix
1568:1857 Fort Tejon
1543:1783 New Jersey
1528:1663 Charlevoix
1506:
1501:
1471:
1466:
1443:2000 Yountville
1401:1973 Point Mugu
1395:1969 Santa Rosa
1381:
1375:
1364:2019 Ridgecrest
1358:2014 South Napa
1346:2003 San Simeon
1340:1994 Northridge
1256:1933 Long Beach
1234:(6.3 & 6.3)
1200:
1194:
1189:2019 Ridgecrest
1117:1857 Fort Tejon
1091:
1085:
1080:
1050:
1045:
1040:
1030:
943:(5.5, March 31)
932:
921:
889:for this event.
874:
856:
844:
842:Further reading
839:
818:
816:
769:
752:
748:
744:. May 24, 1983.
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706:Wayback Machine
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263:US$ 10 million
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2040:2001 Nisqually
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2027:
2026:
2021:
2016:
2011:
2006:
2001:
1996:
1991:
1986:
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1831:
1826:
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1811:
1806:
1801:
1796:
1791:
1786:
1784:1947 Wisconsin
1781:
1776:
1771:
1766:
1764:1940 El Centro
1761:
1756:
1751:
1746:
1741:
1736:
1731:
1729:1931 Valentine
1726:
1721:
1716:
1711:
1706:
1701:
1696:
1691:
1686:
1681:
1676:
1671:
1666:
1664:1901 Richfield
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1465:
1464:
1458:
1452:
1449:2007 Alum Rock
1446:
1440:
1434:
1428:
1422:
1416:
1413:1980 Livermore
1410:
1404:
1398:
1392:
1385:
1383:
1377:
1376:
1374:
1373:
1367:
1361:
1355:
1349:
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1337:
1331:
1325:
1319:
1313:
1307:
1301:
1295:
1289:
1283:
1277:
1271:
1265:
1262:1940 El Centro
1259:
1253:
1247:
1241:
1235:
1229:
1223:
1217:
1211:
1204:
1202:
1196:
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1180:
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955:(7.8, May 26)
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872:External links
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721:The Fresno Bee
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599:, p. 95,
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486:Ground effects
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2125:2014 La Habra
2123:
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2110:2011 Virginia
2108:
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2105:2011 Colorado
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2098:
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2017:
2015:
2012:
2010:
2009:1995 Marathon
2007:
2005:
2002:
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1992:
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1984:1992 Big Bear
1982:
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1927:
1925:
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1914:1983 Coalinga
1912:
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1859:1968 Illinois
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1699:1916 Irondale
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1549:
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1538:1755 Cape Ann
1536:
1534:
1533:1700 Cascadia
1531:
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1521:
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1516:
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1513:
1509:
1505:
1498:
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1461:2014 La Habra
1459:
1456:
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1426:
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1402:
1399:
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1390:
1387:
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1370:2022 Ferndale
1368:
1365:
1362:
1359:
1356:
1353:
1350:
1347:
1344:
1341:
1338:
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1334:1992 Big Bear
1332:
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1026:
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1003:
999:
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984:
981:
978:
975:
972:
969:
966:
964:(6.1, July 5)
963:
960:
958:
954:
951:
948:
945:
942:
939:
938:
935:
931:
928:
925:
918:
913:
911:
906:
904:
899:
898:
895:
888:
884:
880:
876:
875:
867:
864:from the
863:
854:
853:
849:
846:
845:
835:
831:
830:
824:
815:on 2014-05-12
814:
810:
806:
802:
797:
793:
789:
785:
781:
777:
776:
774:
773:
763:
762:
757:
750:
743:
740:
734:
727:
723:
722:
715:
708:
707:
703:
700:
694:
686:
682:
678:
672:
670:
668:
666:
664:
662:
660:
658:
651:
649:
642:
635:
630:
624:, p. 171
623:
618:
616:
608:
602:
598:
594:
593:
585:
578:
573:
571:
569:
567:
562:
553:
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543:
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539:
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524:
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509:
500:
497:
493:
483:
481:
477:
472:
468:
466:
462:
458:
454:
438:
429:
420:
417:
412:
410:
406:
402:
392:
390:
385:
381:
371:
369:
365:
361:
357:
353:
349:
348:Pacific Coast
345:
344:Lassen County
341:
337:
332:
330:
326:
316:
312:
308:
299:
295:
291:
287:
283:
280:
273:
266:
262:
258:
255:United States
253:
250:
246:
243:
240:
236:
231:
203:
199:
195:
191:
188:
179:
175:
171:
167:
156:
152:
149:
146:
144:
139:
136:
133:
130:
126:
122:
119:
115:
43:
35:
28:
23:
2241:2012 Brawley
2195:2021 Chignik
2100:2010 Indiana
2050:2003 Alabama
2033:21st century
1979:1992 Landers
1913:
1794:1949 Olympia
1714:1925 Montana
1657:20th century
1588:1868 Hayward
1573:1865 Memphis
1291:
1208:1868 Hayward
1171:1992 Landers
1105:1812 Ventura
1041:
1036:
1001:
992:
989:
956:
949:(6.5, May 2)
946:
941:1983 Popayán
883:bibliography
828:
817:, retrieved
813:the original
804:
794:(2): 475–489
791:
787:
780:Mavko, G. M.
771:
770:
759:
749:
741:
733:
719:
714:
697:
693:
647:
641:
629:
591:
584:
579:, p. 96
513:
510:
506:
489:
473:
469:
450:
413:
398:
377:
367:
350:and western
333:
324:
322:
278:
260:Total damage
242:Blind thrust
2190:2020 Sparta
2155:2018 Hawaii
2150:2018 Alaska
2090:2010 Eureka
2045:2002 Denali
1959:1990 Upland
1924:1983 Kaoiki
1904:1980 Eureka
1889:1975 Hawaii
1884:1975 Morris
1839:1964 Alaska
1819:1958 Huslia
1754:1935 Helena
1734:1932 Eureka
1724:1927 Lompoc
1623:1887 Sonora
1598:1871 Lānaʻi
1583:1868 Hawaii
1431:1990 Upland
1352:2010 Eureka
1250:1932 Eureka
1159:1980 Eureka
1147:1927 Lompoc
496:rock slides
480:well casing
356:aftershocks
317:94 injured
297:Aftershocks
225: /
131: event
55:Los Angeles
2266:Categories
2226:2001 Enola
2205:2023 Texas
2085:2008 Wells
1511:Historical
1397:(5.6, 5.7)
1318:(6.2, 6.6)
1216:(6.4, 6.2)
1090:Very Large
1019:Hindu Kush
980:Borah Peak
819:2014-05-11
558:References
499:direction.
492:rock falls
457:wing walls
374:Earthquake
340:Susanville
314:Casualties
289:Landslides
277:MMI VIII (
161:1983-05-02
120: time
69:Susanville
2231:2008 Reno
2080:2008 Reno
1684:1914 Reno
1382:(5.0–5.9)
1282:(6.5–6.7)
1222:(5.8–6.4)
1210:(6.3–6.7)
1201:(6.0–6.9)
1131:(7.1–7.2)
1125:(7.4–7.9)
1113:(6.8–7.2)
1107:(7.1–7.5)
1101:(6.9–7.5)
1092:(7.0–7.9)
503:Aftermath
389:epicenter
366:of VIII (
338:north to
271:intensity
201:Epicenter
177:Magnitude
1380:Moderate
974:Kopaonik
947:Coalinga
702:Archived
685:Archived
520:See also
461:parapets
453:spalling
213:120°19′W
172:4:42 p.m
83:Coalinga
986:Erzurum
953:Noshiro
885:and/or
772:Sources
474:In the
210:36°14′N
159: (
2219:Swarms
1007:Kaoiki
881:has a
603:
409:Avenal
395:Damage
382:of an
380:uplift
368:Severe
352:Nevada
279:Severe
148:ComCat
135:575305
97:Avenal
1463:(5.1)
1457:(5.4)
1451:(5.6)
1445:(5.0)
1439:(5.6)
1433:(5.7)
1427:(5.9)
1421:(5.9)
1415:(5.8)
1409:(5.7)
1403:(5.8)
1391:(5.7)
1372:(6.4)
1366:(6.4)
1360:(6.0)
1354:(6.5)
1348:(6.6)
1342:(6.7)
1336:(6.5)
1330:(6.2)
1324:(6.9)
1312:(6.2)
1306:(6.0)
1300:(6.2)
1294:(6.2)
1288:(6.4)
1276:(6.6)
1270:(6.4)
1264:(6.9)
1258:(6.4)
1252:(6.4)
1246:(6.8)
1240:(6.7)
1228:(6.7)
1199:Large
1191:(7.1)
1185:(7.2)
1179:(7.1)
1173:(7.3)
1167:(7.2)
1161:(7.3)
1155:(7.3)
1149:(7.3)
1143:(7.0)
1137:(7.8)
1119:(7.9)
1025:Liège
968:Luzon
514:great
193:Depth
141:USGS-
998:Heze
962:Biga
877:The
601:ISBN
494:and
465:fill
459:and
323:The
300:5.9
269:Max.
238:Type
180:6.2
143:ANSS
370:).
342:in
292:Yes
129:ISC
118:UTC
2268::
803:,
792:75
790:,
786:,
758:.
724:.
683:.
679:.
656:^
614:^
595:,
565:^
467:.
331:.
1496:e
1489:t
1482:v
1075:e
1068:t
1061:v
1042:‡
1037:†
1002:†
993:‡
990:†
957:†
930:→
924:←
916:e
909:t
902:v
764:.
305:w
303:M
281:)
185:w
183:M
163:)
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