Knowledge (XXG)

1990 Bohol Sea earthquake

Source šŸ“

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Damage was mostly sustained by the Eastern and Southeastern Coastline of Bohol most of which were due to poorly built infrastructure that could not stand such strong movement. Estimates say that about 3,000 units of houses and other structures as well as 182 of which were totally demolished such as a
434: occurred near the same area, with a different slip pattern, directing in a northwestward direction. The said aftershock caused some damage and further worsened the conditions from the already affected buildings. 403:. The fault that had ruptured suggested a northeast-southwest trending nodal plane. However, overlaying layers of milocene dated limestone suggested that the fault was inactive for numerous years. 944: 657: 60: 30: 701:"Application of the Modified Joint Hypocenter Determination method to the 1990 and 1996 bohol earthquakes in the central Philippines and correlating GPS results" 782: 415:
and was due to the rupture of an unknown normal fault line offshore Bohol island. The ruptures have caused dipping in a southeastern direction. It recorded a
937: 1235: 479:, and a drastic increase of sea levels were observed in particular places near the epicenter. The total cost is estimated at ā‚±157 million ($ 7 million). 563: 1215: 930: 953: 501: 1008: 1230: 254: 820: 95: 865: 844: 1184: 1179: 775: 1220: 109: 653: 987: 333: . The earthquake had a moderate depth of 25.9 km (16 mi). Most of the damage was observed in the province of 169: 1169: 482:
There were 6 confirmed deaths from the quake and at least 200 injuries. A further 46,000 were displaced and 7,000 homeless.
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waves reported as high as 2 meters to strike the surrounding islands nearby. There were no damage reported from the waves.
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Besana, G. M.; Daligdig, J. A.; Abigania, M. T.; Talisic, J. E.; Evangelista, N. (2004-12-01).
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Approximately 30 minutes after the mainshock, an aftershock with a close magnitude of 6.6 M
747:"The 1990 Bohol earthquake: Tsunami observations and effects at Bohol Island, Philippines" 396: 346: 630: 1199: 746: 700: 614: 460: 376: 922: 705:
Bulletin of the International Institute of Seismology and Earthquake Engineering
476: 464: 372: 671: 615:"Insights on the 1990 Bohol Tsunamigenic Earthquake, Bohol Island, Philippines" 412: 400: 384: 326: 184: 171: 468: 44: 760: 342: 232: 228: 214: 472: 443: 392: 338: 388: 383:, a system of fault line extending from the Northwestern province of 456: 334: 224: 699:
Evangelista, N.C.; Hurukawa, N.; Kimata, Fumiaki (January 2012).
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The epicentre of the quake was located 17 km southeast of
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is usually prone to earthquakes due to its location within the
654:"February 08, 1990 Earthquake in Bohol Province. PHIVOLCS" 345:. There were 6 deaths, over 200 injuries and an estimated 341:
hit the southeastern coastline of Bohol and the island of
910:
indicates earthquake resulting in at least 30 deaths
1082: 1001: 960: 311: 295: 287: 279: 246: 238: 220: 210: 200: 163: 155: 139: 128: 120: 107: 94: 83: 356:Twenty-three years later, a much more devastating 364:would strike the island killing 222 individuals. 67: 442:The rupture from the unknown fault that caused 915:indicates the deadliest earthquake of the year 283:Yes, 2 meter waves observed in Camiguin island 938: 776: 672:"Deadly Philippine quake hits Bohol and Cebu" 8: 19: 419:of 6.7ā€“6.8, measuring an intensity of VII ( 945: 931: 923: 783: 769: 761: 18: 723:"M 6.6 - 6 km ESE of Bacong, Philippines" 527:"M 6.6 - 6 km ESE of Bacong, Philippines" 325:occurred on February 8, 1990 at 15:15:32 301: 145: 588:"Philippine Earthquake February 8, 1990" 556:"M 6.8 - 13 km E of Bacong, Philippines" 518: 502:List of earthquakes in the Philippines 353:7 million) in total damage reported. 7: 694: 692: 648: 646: 644: 642: 640: 582: 580: 550: 548: 14: 1236:1990 disasters in the Philippines 37: 660:from the original on 2021-08-13. 66: 59: 36: 29: 566:from the original on 2021-08-09 455:bridge connecting the towns of 247: 1216:Earthquakes in the Philippines 954:Earthquakes in the Philippines 329:which had a magnitude of 6.8 M 1: 427:recorded in Tagbilaran City. 16:Earthquake in the Philippines 1231:February 1990 events in Asia 492:List of earthquakes in 1990 399:, and ending at the end of 362:under the same fault system 315:6 fatalities, 200+ injuries 1252: 856:(6.7, 6.2, 6.1, May 30/31) 751:Science of Tsunami Hazards 619:AGU Fall Meeting Abstracts 242:ā‚±157 million ($ 7 million) 905: 804: 463:and roads to the town of 159:25.9 km (16 mi) 24: 20:1990 Bohol Sea earthquake 1221:1990 in the Philippines 387:, transversing through 381:Philippine Fault System 75:Show map of Philippines 1185:December 2023 Mindanao 1180:November 2023 Mindanao 1009:1913 Sulawesiā€“Mindanao 397:Eastern Visayas region 1150:October 2019 Cotabato 497:2013 Bohol earthquake 450:Casualties and damage 323:1990 Bohol earthquake 377:Pacific Ring of Fire 1170:2021 Davao Oriental 988:1880 Southern Luzon 795:Earthquakes in 1990 727:earthquake.usgs.gov 631:2004AGUFM.S11A1004B 560:earthquake.usgs.gov 531:earthquake.usgs.gov 181: /  90:1990-02-08 07:15:32 52:Show map of Visayas 21: 1165:2021 Davao del Sur 1155:2019 Davao del Sur 1140:July 2019 Cotabato 1135:2019 Eastern Samar 507:Bohol Fault System 425:Rossi-Forrel scale 205:Bohol Fault System 1193: 1192: 920: 919: 319: 318: 185:9.755Ā°N 124.694Ā°E 1243: 1226:History of Bohol 1206:1990 earthquakes 1019:1948 Lady Caycay 1014:1918 Celebes Sea 947: 940: 933: 924: 785: 778: 771: 762: 755: 754: 743: 737: 736: 734: 733: 719: 713: 712: 696: 687: 686: 684: 683: 668: 662: 661: 650: 635: 634: 610: 599: 598: 592: 584: 575: 574: 572: 571: 552: 543: 542: 540: 538: 523: 417:moment magnitude 368:Tectonic Setting 306: 275: 273: 263: 261: 249: 196: 195: 193: 192: 191: 186: 182: 179: 178: 177: 174: 150: 124:February 8, 1990 76: 70: 69: 63: 53: 40: 39: 33: 22: 1251: 1250: 1246: 1245: 1244: 1242: 1241: 1240: 1196: 1195: 1194: 1189: 1078: 1034:1973 Ragay Gulf 997: 956: 951: 921: 916: 911: 901: 821:Bishop's Castle 800: 789: 759: 758: 745: 744: 740: 731: 729: 721: 720: 716: 698: 697: 690: 681: 679: 670: 669: 665: 652: 651: 638: 612: 611: 602: 595:EERI Newsletter 590: 586: 585: 578: 569: 567: 554: 553: 546: 536: 534: 525: 524: 520: 515: 488: 452: 440: 433: 413:Tagbilaran City 409: 389:Quezon province 373:The Philippines 370: 361: 332: 305: 270:Damaging tremor 267: 265: 264: 255: 253: 189: 187: 183: 180: 175: 172: 170: 168: 167: 149: 129:Local time 121:Local date 79: 78: 77: 74: 73: 72: 71: 55: 54: 51: 50: 49: 48: 47: 41: 17: 12: 11: 5: 1249: 1247: 1239: 1238: 1233: 1228: 1223: 1218: 1213: 1208: 1198: 1197: 1191: 1190: 1188: 1187: 1182: 1177: 1172: 1167: 1162: 1157: 1152: 1147: 1142: 1137: 1132: 1127: 1122: 1117: 1112: 1107: 1102: 1097: 1092: 1086: 1084: 1080: 1079: 1077: 1076: 1071: 1066: 1061: 1056: 1054:1990 Bohol Sea 1051: 1046: 1041: 1039:1976 Moro Gulf 1036: 1031: 1029:1968 Casiguran 1026: 1021: 1016: 1011: 1005: 1003: 999: 998: 996: 995: 990: 985: 980: 975: 970: 968:1628 Camarines 964: 962: 958: 957: 952: 950: 949: 942: 935: 927: 918: 917: 906: 903: 902: 900: 899: 893: 889:(7.8, Jul 16) 884: 880:(6.4, Jul 13) 875: 868:(7.4, Jun 21) 863: 857: 851: 847:(6.6, May 29) 842: 838:(7.1, May 20) 833: 829:(7.0, Apr 26) 824: 818: 812: 805: 802: 801: 790: 788: 787: 780: 773: 765: 757: 756: 738: 714: 688: 663: 636: 600: 576: 544: 517: 516: 514: 511: 510: 509: 504: 499: 494: 487: 484: 451: 448: 439: 436: 431: 408: 405: 393:Masbate Island 369: 366: 359: 330: 317: 316: 313: 309: 308: 303: 297: 293: 292: 289: 285: 284: 281: 277: 276: 251: 244: 243: 240: 236: 235: 222: 221:Areas affected 218: 217: 212: 208: 207: 202: 198: 197: 190:9.755; 124.694 165: 161: 160: 157: 153: 152: 147: 141: 137: 136: 130: 126: 125: 122: 118: 117: 112: 105: 104: 99: 92: 91: 88: 81: 80: 65: 64: 58: 57: 56: 43: 42: 35: 34: 28: 27: 26: 25: 15: 13: 10: 9: 6: 4: 3: 2: 1248: 1237: 1234: 1232: 1229: 1227: 1224: 1222: 1219: 1217: 1214: 1212: 1209: 1207: 1204: 1203: 1201: 1186: 1183: 1181: 1178: 1176: 1173: 1171: 1168: 1166: 1163: 1161: 1158: 1156: 1153: 1151: 1148: 1146: 1143: 1141: 1138: 1136: 1133: 1131: 1128: 1126: 1123: 1121: 1120:2017 Batangas 1118: 1116: 1113: 1111: 1108: 1106: 1103: 1101: 1098: 1096: 1095:2010 Mindanao 1093: 1091: 1090:2002 Mindanao 1088: 1087: 1085: 1081: 1075: 1072: 1070: 1067: 1065: 1062: 1060: 1057: 1055: 1052: 1050: 1047: 1045: 1042: 1040: 1037: 1035: 1032: 1030: 1027: 1025: 1022: 1020: 1017: 1015: 1012: 1010: 1007: 1006: 1004: 1000: 994: 993:1897 Mindanao 991: 989: 986: 984: 981: 979: 976: 974: 971: 969: 966: 965: 963: 959: 955: 948: 943: 941: 936: 934: 929: 928: 925: 914: 909: 904: 898:(5.6, Dec 13) 897: 894: 892: 888: 885: 883: 879: 876: 874: 871: 867: 866:Manjilā€“Rudbar 864: 862:(7.1, Jun 14) 861: 858: 855: 852: 850: 846: 843: 841: 837: 834: 832: 828: 825: 822: 819: 817:(5.7, Feb 28) 816: 813: 810: 807: 806: 803: 799: 796: 793: 786: 781: 779: 774: 772: 767: 766: 763: 752: 748: 742: 739: 728: 724: 718: 715: 710: 706: 702: 695: 693: 689: 677: 673: 667: 664: 659: 655: 649: 647: 645: 643: 641: 637: 632: 628: 625:: S11Aā€“1004. 624: 620: 616: 609: 607: 605: 601: 596: 589: 583: 581: 577: 565: 561: 557: 551: 549: 545: 532: 528: 522: 519: 512: 508: 505: 503: 500: 498: 495: 493: 490: 489: 485: 483: 480: 478: 477:Mud Volcanoes 474: 470: 466: 462: 458: 449: 447: 445: 437: 435: 428: 426: 422: 418: 414: 406: 404: 402: 398: 394: 390: 386: 382: 378: 374: 367: 365: 363: 354: 352: 349:157 million ( 348: 344: 340: 336: 328: 324: 314: 310: 307: 298: 294: 290: 286: 282: 278: 274: 271: 262: 259: 252: 245: 241: 237: 234: 230: 226: 223: 219: 216: 213: 209: 206: 203: 199: 194: 166: 162: 158: 154: 151: 142: 138: 135: 131: 127: 123: 119: 116: 113: 111: 106: 103: 100: 97: 93: 89: 86: 82: 62: 46: 32: 23: 1160:2020 Masbate 1145:2019 Batanes 1115:2017 Surigao 1083:21st century 1069:1994 Mindoro 1053: 1049:1988 Mindoro 1002:20th century 983:1879 Surigao 912: 907: 890: 881: 872: 869: 848: 839: 830: 823:(5.1, Apr 2) 811:(6.8, Feb 8) 808: 750: 741: 730:. Retrieved 726: 717: 708: 704: 680:. Retrieved 678:. 2013-10-15 675: 666: 622: 618: 594: 568:. Retrieved 559: 535:. Retrieved 530: 521: 481: 453: 441: 429: 420: 410: 371: 355: 322: 320: 269: 257: 239:Total damage 1100:2012 Negros 978:1863 Manila 836:South Sudan 533:. USGSā€“ANSS 475:, multiple 421:Destructive 296:Aftershocks 258:Destructive 188: / 176:124Ā°41ā€²38ā€³E 98: event 1200:Categories 1175:2022 Luzon 1130:2019 Luzon 1125:2017 Leyte 1110:2013 Bohol 1105:2012 Samar 1074:1999 Luzon 1064:1990 Luzon 1059:1990 Panay 1044:1983 Luzon 1024:1955 Lanao 973:1645 Luzon 961:Historical 896:Carlentini 878:Lenin Peak 732:2022-09-22 682:2021-08-21 570:2021-08-21 513:References 469:Landslides 407:Earthquake 401:Davao Gulf 385:Ilocos Sur 312:Casualties 288:Landslides 268:RFS VIII ( 256:PEIS VII ( 87: time 1211:Bohol Sea 845:Alto Mayo 809:Bohol Sea 537:22 August 250:intensity 173:9Ā°45ā€²18ā€³N 164:Epicenter 140:Magnitude 132:15:15:32 45:Bohol Sea 676:BBC News 658:Archived 564:Archived 486:See also 473:Fissures 395:and the 343:Camiguin 327:(UTC +8) 233:Siquijor 229:Camiguin 215:Dip-slip 854:Vrancea 627:Bibcode 444:tsunami 438:Tsunami 339:tsunami 280:Tsunami 827:Gonghe 815:Upland 115:ComCat 102:377912 887:Luzon 860:Panay 591:(PDF) 461:Duero 457:Jagna 358:7.2 M 335:Bohol 225:Bohol 201:Fault 156:Depth 108:USGS- 539:2021 465:Anda 459:and 337:. A 321:The 299:6.6 248:Max. 211:Type 143:6.8 110:ANSS 291:Yes 134:PST 96:ISC 85:UTC 1202:: 749:. 725:. 709:46 707:. 703:. 691:^ 674:. 656:. 639:^ 623:11 621:. 617:. 603:^ 593:. 579:^ 562:. 558:. 547:^ 529:. 471:, 467:. 391:, 351:$ 231:, 227:, 946:e 939:t 932:v 913:ā€” 908:ā€  891:ā€  882:ā€  873:ā€” 870:ā€  849:ā€  840:ā€  831:ā€  798:ā†’ 792:ā† 784:e 777:t 770:v 753:. 735:. 711:. 685:. 633:. 629:: 597:. 573:. 541:. 432:w 360:w 347:ā‚± 331:w 304:w 302:M 272:) 260:) 148:w 146:M

Index

1990 Bohol Sea earthquake is located in Visayas
Bohol Sea
1990 Bohol Sea earthquake is located in Philippines
UTC
ISC
377912
ANSS
ComCat
PST
Mw
9Ā°45ā€²18ā€³N 124Ā°41ā€²38ā€³E / 9.755Ā°N 124.694Ā°E / 9.755; 124.694
Bohol Fault System
Dip-slip
Bohol
Camiguin
Siquijor
PEIS VII (Destructive)
RFS VIII (Damaging tremor)
Mw
(UTC +8)
Bohol
tsunami
Camiguin
ā‚±
$
7.2 Mw under the same fault system
The Philippines
Pacific Ring of Fire
Philippine Fault System
Ilocos Sur

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