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1980 El Asnam earthquake

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school. The hospital was damaged significantly enough that victims had to be transported more than 160 km (100 mi) away to the next nearest hospital. Both events caused considerable damage with at least 2,633 killed and 8,369 injured. The earthquake caused approximately $ 5.2 billion in damage, which was 22% of Algeria's GDP at the time.
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The earthquake occurred at a populated region of Algeria, affecting 900,000 people. It destroyed 25,000 houses and made 300,000 inhabitants homeless. In addition to destroying homes, the earthquake also demolished critical infrastructure, including the main hospital, the central mosque, and a girls'
330:). The shocks were felt over 550 km (340 mi) away, with the initial earthquake lasting 35 seconds. It was the largest earthquake in Algeria, and was followed three hours later by a magnitude 6.2 723: 693: 1288: 953: 753: 524: 338:
and had a vertical slip of up to 4.2 m (14 ft). No foreshocks were recorded. The earthquake was found to have occurred very close to the epicenter of the
815: 38: 715: 685: 536: 1394: 456: 183: 630: 1281: 1348: 1159: 787: 492: 946: 665: 1399: 411: 97: 808: 252: 520: 111: 1389: 1274: 1194: 1105: 488: 1297: 939: 865: 841: 379: 1153: 745: 1358: 1353: 1218: 1182: 1135: 801: 830: 827: 824: 374: 1236: 1200: 1188: 1069: 440: 415: 86: 654:"The 1954 and 1980 Algerian earthquakes: Implications for the characteristic-displacement model of fault behavior" 1379: 1323: 1206: 1028: 1022: 974: 850: 1384: 1254: 1248: 1242: 1212: 1099: 871: 315: 278: 158: 1343: 1338: 1308: 1147: 1129: 1087: 1057: 986: 901: 448: 1230: 1176: 1123: 1117: 1075: 1051: 1045: 1004: 998: 895: 886: 311: 1328: 1318: 1141: 1063: 1016: 992: 856: 561: 369: 339: 514: 26: 1313: 1093: 1081: 1010: 350: 1224: 980: 342:
using joint epicenter determination techniques. It occurred at a previously unknown reverse fault.
622: 602: 598: 116: 482: 452: 783: 103: 653: 614: 603:"The El Asnam (Algeria) earthquake of 10 October 1980; conclusions drawn from a field study" 528: 346: 335: 226: 236: 1373: 626: 618: 356:
In addition to the earthquake, weak tsunami waves were recorded on tide gauges.
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National Geophysical Data Center / World Data Service (NGDC/WDS) (1972),
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ISC-GEM Global Instrumental Earthquake Catalogue (1900–2009)
334:. The earthquake created about 42 km (26 mi) of 607:
Quarterly Journal of Engineering Geology and Hydrogeology
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indicates earthquake resulting in at least 30 deaths
1169: 1038: 967: 290: 273: 265: 244: 232: 222: 214: 177: 169: 153: 145: 137: 122: 109: 96: 85: 658:Bulletin of the Seismological Society of America 59: 924:indicates the deadliest earthquake of the year 16:7.1 magnitude earthquake on the Algerian coast 1282: 947: 809: 8: 19: 476: 474: 472: 470: 468: 1289: 1275: 1267: 954: 940: 932: 816: 802: 794: 25: 18: 746:"Thousands feared dead in Algerian quake" 716:"Comments for the Significant Earthquake" 686:"Comments for the Significant Earthquake" 399: 397: 395: 279: 159: 556: 554: 552: 593: 591: 589: 587: 391: 696:from the original on December 16, 2022 345:The earthquake was the largest in the 633:from the original on 27 February 2023 495:from the original on January 15, 2018 7: 307: 756:from the original on August 7, 2009 726:from the original on April 29, 2020 780:International Seismological Centre 412:International Seismological Centre 14: 521:National Geophysical Data Center 269:0.7 m (2 ft 4 in) 67: 58: 44: 37: 668:from the original on 2016-10-21 619:10.1144/gsl.qjeg.1981.014.02.05 539:from the original on 2017-07-21 516:Significant Earthquake Database 489:United States Geological Survey 418:from the original on 2016-11-25 326:town of El Asnam (now known as 245: 45: 380:List of earthquakes in Algeria 1: 1395:October 1980 events in Africa 562:"El Asnam Algeria 1980 (CAR)" 322:). The shock occurred in the 484:PAGER-CAT Earthquake Catalog 68: 375:List of earthquakes in 1980 1416: 481:USGS (September 4, 2009), 445:The Geology of Earthquakes 306:occurred on October 10 at 126:October 10, 1980 1400:1980 disasters in Algeria 1304: 914: 837: 33: 24: 304:1980 El Asnam earthquake 173:10 km (6.2 mi) 20:1980 El Asnam earthquake 449:Oxford University Press 1390:Earthquakes in Algeria 1298:Earthquakes in Algeria 962:Earthquakes in Africa 652:Dewey, J. W. (1991), 487:, Version 2008_06.1, 370:1954 Chlef earthquake 340:1954 Chlef earthquake 314:of 7.1 and a maximum 1195:2005 Lake Tanganyika 1106:1969 Sharm El Sheikh 752:. October 10, 1980. 286:Oct 10 at 15:39 UTC 1349:1999 Aïn Témouchent 1160:1999 Aïn Témouchent 981:1624 Fez earthquake 828:Earthquakes in 1980 572:on October 21, 2016 308:13:25:23 local time 296:8,369–9,000 injured 195: /  92:1980-10-10 12:25:23 21: 1154:1995 Gulf of Aqaba 788:authoritative data 599:Ambraseys, Nicolas 316:Mercalli intensity 1367: 1366: 1264: 1263: 929: 928: 458:978-0-19-507827-5 300: 299: 294:2,633–5,000 dead 1407: 1380:1980 earthquakes 1359:2010 Beni-Ilmane 1291: 1284: 1277: 1268: 1219:2010 Beni-Ilmane 1136:1990 South Sudan 1029:1856 Middle East 956: 949: 942: 933: 818: 811: 804: 795: 766: 765: 763: 761: 742: 736: 735: 733: 731: 712: 706: 705: 703: 701: 682: 676: 675: 674: 673: 649: 643: 642: 640: 638: 595: 582: 581: 579: 577: 568:. Archived from 558: 547: 546: 545: 544: 533:10.7289/V5TD9V7K 510: 504: 503: 502: 500: 478: 463: 462: 432: 426: 425: 424: 423: 401: 312:moment magnitude 309: 284: 261: 259: 247: 210: 209: 207: 206: 205: 200: 196: 193: 192: 191: 188: 164: 133: 131: 71: 70: 62: 61: 48: 47: 41: 29: 22: 1415: 1414: 1410: 1409: 1408: 1406: 1405: 1404: 1385:1980 in Algeria 1370: 1369: 1368: 1363: 1300: 1295: 1265: 1260: 1237:2015 South Kivu 1201:2006 Mozambique 1189:2004 Al Hoceima 1165: 1070:1955 Alexandria 1034: 963: 960: 930: 925: 920: 910: 833: 822: 790:for this event. 775: 770: 769: 759: 757: 744: 743: 739: 729: 727: 714: 713: 709: 699: 697: 684: 683: 679: 671: 669: 651: 650: 646: 636: 634: 597: 596: 585: 575: 573: 560: 559: 550: 542: 540: 512: 511: 507: 498: 496: 480: 479: 466: 459: 451:. p. 477. 434: 433: 429: 421: 419: 410:, Version 2.0, 403: 402: 393: 388: 366: 336:surface rupture 295: 283: 253: 251: 239: 203: 201: 197: 194: 189: 186: 184: 182: 181: 163: 138:Local time 129: 127: 123:Local date 81: 80: 79: 78: 77: 76: 72: 64: 63: 55: 54: 53: 49: 17: 12: 11: 5: 1413: 1411: 1403: 1402: 1397: 1392: 1387: 1382: 1372: 1371: 1365: 1364: 1362: 1361: 1356: 1354:2003 Boumerdès 1351: 1346: 1341: 1336: 1331: 1326: 1321: 1316: 1311: 1305: 1302: 1301: 1296: 1294: 1293: 1286: 1279: 1271: 1262: 1261: 1259: 1258: 1252: 1246: 1240: 1234: 1228: 1222: 1216: 1210: 1207:2008 Lake Kivu 1204: 1198: 1192: 1186: 1183:2003 Boumerdès 1180: 1173: 1171: 1167: 1166: 1164: 1163: 1157: 1151: 1145: 1139: 1133: 1127: 1121: 1115: 1109: 1103: 1097: 1091: 1085: 1079: 1073: 1067: 1061: 1055: 1049: 1042: 1040: 1036: 1035: 1033: 1032: 1026: 1020: 1014: 1008: 1002: 996: 990: 984: 978: 975:1068 Near East 971: 969: 965: 964: 961: 959: 958: 951: 944: 936: 927: 926: 915: 912: 911: 909: 908: 899: 893: 884: 875: 869: 863: 854: 848: 842:Azores Islands 838: 835: 834: 823: 821: 820: 813: 806: 798: 792: 791: 774: 773:External links 771: 768: 767: 737: 707: 677: 664:(2): 446–467, 644: 613:(2): 143–148. 583: 548: 505: 464: 457: 435:Yeats, R. S.; 427: 390: 389: 387: 384: 383: 382: 377: 372: 365: 362: 298: 297: 292: 288: 287: 281: 275: 271: 270: 267: 263: 262: 249: 242: 241: 237:Chlef Province 234: 233:Areas affected 230: 229: 224: 220: 219: 216: 212: 211: 179: 175: 174: 171: 167: 166: 161: 155: 151: 150: 147: 143: 142: 139: 135: 134: 124: 120: 119: 114: 107: 106: 101: 94: 93: 90: 83: 82: 74: 73: 66: 65: 57: 56: 51: 50: 43: 42: 36: 35: 34: 31: 30: 15: 13: 10: 9: 6: 4: 3: 2: 1412: 1401: 1398: 1396: 1393: 1391: 1388: 1386: 1383: 1381: 1378: 1377: 1375: 1360: 1357: 1355: 1352: 1350: 1347: 1345: 1342: 1340: 1337: 1335: 1334:1980 El Asnam 1332: 1330: 1327: 1325: 1324:1856 Djijelli 1322: 1320: 1317: 1315: 1312: 1310: 1307: 1306: 1303: 1299: 1292: 1287: 1285: 1280: 1278: 1273: 1272: 1269: 1256: 1253: 1250: 1249:2017 Botswana 1247: 1244: 1243:2016 Tanzania 1241: 1238: 1235: 1232: 1229: 1226: 1223: 1220: 1217: 1214: 1211: 1208: 1205: 1202: 1199: 1196: 1193: 1190: 1187: 1184: 1181: 1178: 1175: 1174: 1172: 1168: 1161: 1158: 1155: 1152: 1149: 1146: 1143: 1140: 1137: 1134: 1131: 1128: 1125: 1122: 1119: 1116: 1113: 1112:1980 El Asnam 1110: 1107: 1104: 1101: 1100:1969 Portugal 1098: 1095: 1092: 1089: 1086: 1083: 1080: 1077: 1074: 1071: 1068: 1065: 1062: 1059: 1056: 1053: 1050: 1047: 1044: 1043: 1041: 1037: 1030: 1027: 1024: 1023:1856 Djijelli 1021: 1018: 1015: 1012: 1009: 1006: 1003: 1000: 997: 994: 991: 988: 985: 982: 979: 976: 973: 972: 970: 966: 957: 952: 950: 945: 943: 938: 937: 934: 923: 918: 913: 907: 904:(6.9, Nov 23) 903: 900: 897: 894: 892: 889:(7.2, Oct 24) 888: 885: 883: 880:(7.1, Oct 10) 879: 876: 873: 870: 868:(6.2, May 25) 867: 866:Mammoth Lakes 864: 862: 859:(6.5, Jul 29) 858: 855: 853:(5.8, Jan 24) 852: 849: 847: 843: 840: 839: 836: 832: 829: 826: 819: 814: 812: 807: 805: 800: 799: 796: 789: 785: 781: 777: 776: 772: 755: 751: 747: 741: 738: 725: 721: 717: 711: 708: 695: 691: 687: 681: 678: 667: 663: 659: 655: 648: 645: 632: 628: 624: 620: 616: 612: 608: 604: 600: 594: 592: 590: 588: 584: 571: 567: 563: 557: 555: 553: 549: 538: 534: 530: 526: 522: 518: 517: 509: 506: 494: 490: 486: 485: 477: 475: 473: 471: 469: 465: 460: 454: 450: 446: 442: 438: 431: 428: 417: 413: 409: 408: 400: 398: 396: 392: 385: 381: 378: 376: 373: 371: 368: 367: 363: 361: 357: 354: 352: 348: 343: 341: 337: 333: 329: 325: 321: 317: 313: 305: 293: 289: 285: 276: 272: 268: 264: 260: 257: 250: 243: 238: 235: 231: 228: 225: 221: 217: 213: 208: 199:36.2°N 1.37°E 180: 176: 172: 168: 165: 156: 152: 148: 144: 140: 136: 125: 121: 118: 115: 113: 108: 105: 102: 99: 95: 91: 88: 84: 40: 32: 28: 23: 1344:1994 Mascara 1339:1989 Chenoua 1333: 1309:1716 Algiers 1255:2023 Morocco 1213:2009 Karonga 1170:21st century 1148:1994 Mascara 1130:1989 Chenoua 1111: 1088:1969 Tulbagh 1058:1921 Massawa 1039:20th century 1005:1761 Morocco 987:1716 Algiers 921: 916: 905: 898:(7.3, Nov 8) 890: 881: 877: 874:(6.4, Aug 9) 860: 845: 844:(6.9, Jan 1) 784:bibliography 758:. Retrieved 749: 740: 728:. Retrieved 719: 710: 698:. Retrieved 689: 680: 670:, retrieved 661: 657: 647: 635:. Retrieved 610: 606: 574:. Retrieved 570:the original 565: 541:, retrieved 519:(Data Set), 515: 508: 497:, retrieved 483: 444: 441:Allen, C. R. 430: 420:, retrieved 406: 404:ISC (2015), 358: 355: 344: 319: 303: 301: 255: 1231:2014 Orkney 1177:2002 Kalehe 1124:1989 Malawi 1118:1983 Guinea 1076:1960 Agadir 1052:1915 Asmara 1046:1913 Asmara 999:1755 Meknes 730:October 21, 700:October 21, 576:October 21, 437:Sieh, K. E. 347:Atlas range 274:Aftershocks 202: / 100: event 1374:Categories 1329:1954 Chlef 1319:1825 Blida 1225:2011 Nabro 1142:1992 Cairo 1064:1954 Chlef 1017:1825 Blida 993:1754 Cairo 968:Historical 672:2014-02-26 543:2015-12-30 422:2015-12-30 332:aftershock 291:Casualties 204:36.2; 1.37 149:35 seconds 130:1980-10-10 89: time 1314:1790 Oran 1094:1966 Toro 1082:1963 Marj 1031:(7.7–8.2) 1011:1790 Oran 851:Livermore 627:140701882 248:intensity 178:Epicenter 154:Magnitude 878:El Asnam 872:Honduras 760:July 14, 754:Archived 724:Archived 694:Archived 666:archived 631:Archived 601:(1981). 537:archived 493:archived 443:(1997). 416:archived 364:See also 324:Algerian 227:Dip-slip 218:El Asnam 146:Duration 141:13:25:23 977:(≥ 7.0) 902:Irpinia 786:and/or 637:14 July 566:GEM ECD 499:May 21, 320:Extreme 310:with a 266:Tsunami 256:Extreme 254:MMI X ( 240:Algeria 187:36°12′N 128: ( 52:Algiers 896:Eureka 887:Oaxaca 782:has a 625:  455:  349:since 318:of X ( 190:1°22′E 117:ComCat 104:636856 1257:(6.8) 1251:(6.5) 1245:(5.9) 1239:(5.8) 1233:(5.5) 1227:(5.7) 1221:(5.3) 1215:(6.0) 1209:(5.9) 1203:(7.0) 1197:(6.8) 1191:(6.3) 1185:(6.8) 1179:(6.2) 1162:(5.6) 1156:(7.3) 1150:(5.9) 1144:(5.8) 1138:(7.1) 1132:(5.9) 1126:(6.3) 1120:(6.3) 1114:(7.1) 1108:(6.6) 1102:(7.9) 1096:(6.8) 1090:(6.3) 1084:(5.6) 1078:(5.8) 1072:(6.3) 1066:(6.7) 1060:(6.1) 1019:(7.0) 1013:(6.0) 1007:(8.5) 1001:(7.0) 995:(6.6) 989:(7.0) 983:(6.0) 857:Nepal 623:S2CID 386:Notes 328:Chlef 215:Fault 170:Depth 110:USGS- 1054:(VI) 1048:(VI) 1025:(IX) 778:The 762:2009 732:2016 720:NOAA 702:2016 690:NOAA 639:2009 578:2016 525:NOAA 501:2024 453:ISBN 351:1790 302:The 277:6.2 246:Max. 223:Type 157:7.1 112:ANSS 75:Oran 750:BBC 615:doi 529:doi 98:ISC 87:UTC 1376:: 882:†‡ 748:. 722:. 718:. 692:. 688:. 662:81 660:, 656:, 629:. 621:. 611:14 609:. 605:. 586:^ 564:. 551:^ 535:, 527:, 523:, 491:, 467:^ 447:. 439:; 414:, 394:^ 353:. 1290:e 1283:t 1276:v 955:e 948:t 941:v 922:‡ 917:† 906:† 891:† 861:† 846:† 831:→ 825:← 817:e 810:t 803:v 764:. 734:. 704:. 641:. 617:: 580:. 531:: 461:. 282:w 280:M 258:) 162:w 160:M 132:)

Index


1980 El Asnam earthquake is located in Algeria
UTC
ISC
636856
ANSS
ComCat
Mw
36°12′N 1°22′E / 36.2°N 1.37°E / 36.2; 1.37
Dip-slip
Chlef Province
MMI X (Extreme)
Mw
moment magnitude
Mercalli intensity
Algerian
Chlef
aftershock
surface rupture
1954 Chlef earthquake
Atlas range
1790
1954 Chlef earthquake
List of earthquakes in 1980
List of earthquakes in Algeria



ISC-GEM Global Instrumental Earthquake Catalogue (1900–2009)
International Seismological Centre

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