30:
37:
352:
The energy release of the main shock was about 2×10 Nm. The energy release associated with aftershocks after April 18 was also significant. The sum of energy release of the aftershocks up to 45 days after the main shock was also about 2×10 Nm, i.e. roughly equal to that of the main shock.
646:
the tension axes are in the direction of east to west and that the pressure axes are about vertical direction. Although the mechanism solutions obtained in this study include a large component of the strike slip faulting,
345:
The earthquake was associated with 20 km (12 mi) of surface faulting showing a downthrow of about 1.8 m (5 ft 11 in) to the southeast, consistent with one of the two possible fault planes from the focal mechanism.
293:
and Lake Albert. The Mt. Ruwenzori region is the most seismically active region in Uganda and also one of the most seismically active zones in the East Africa Rift System and is bounded by steep active normal faults. The calculated
349:
The earthquake was preceded by numerous foreshocks on March 18 and 19, 1966, and was followed by many aftershocks during the next two months, nine of them with a magnitude of 5.0 or greater.
477:
1181:
367:
337:
According to press reports, a strong aftershock on May 18, 1966, caused 90 deaths in the DRC. This aftershock caused damage to buildings in both Uganda and the DRC.
322:, the Court Hall was damaged. Cracks and fissures were observed on the ground. This earthquake could be felt in Uganda, the Democratic Republic of the Congo,
1211:
613:
488:
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663:
723:
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29:
1216:
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575:
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74:
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Extensive damage was reported in both Uganda and the DRC. The earthquake caused 157 deaths: 104 in Uganda, one in
236:, occurred on March 20 at 01:42 UTC (04:42 Uganda local time). The earthquake was located near the border between
1084:
995:
628:
1171:
829:
1043:
1108:
1025:
709:
1072:
571:"Source parameters of large African earthquakes:implications for crustal rheology and regional kinematics"
738:
735:
732:
362:
1126:
1090:
1078:
959:
252:
in Uganda while some put it in the
Democratic Republic of the Congo. The earthquake had a magnitude of
49:
253:
113:
1191:
1166:
1096:
918:
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864:
303:
1201:
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1138:
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773:
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1037:
1019:
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173:
79:
1206:
1120:
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1013:
1007:
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941:
935:
894:
888:
1031:
953:
906:
882:
782:
691:
400:
66:
451:
971:
900:
791:
584:
540:
245:
8:
1114:
870:
588:
544:
278:
552:
597:
570:
415:
592:
548:
485:
11th SAGA Biennial
Technical Meeting and Exhibition Swaziland, 16–18 September 2009
302:
in type, although the focal mechanisms of three of the aftershocks were dominantly
286:
377:
334:. Landslides triggered by the earthquake blocked roads, impeding relief efforts.
295:
452:"Earthquake reconnaissance mission: Uganda the Toro earthquake of 20 March 1966"
411:
282:
1160:
372:
153:
140:
614:"Focal Mechanism of Major Earthquakes in the Western Rift Valley of Africa"
701:
290:
821:
319:
318:
and 52 in the DRC. Buildings collapsed in both Uganda and the DRC. In
249:
506:
The
Ruwenzori area experienced large earthquakes on 20 March 1966 (M
315:
191:
408:
International
Handbook of Earthquake & Engineering Seismology
327:
323:
237:
183:
478:"Seismic hazard in the DRC and Western Rift Valley of Africa"
331:
658:
687:
531:
Twesigomwe, E.M. (1997). "Seismic hazards in Uganda".
521:"The seismicity and tectonics of Uganda" by N. Maasha
809:
indicates earthquake resulting in at least 30 deaths
475:
1182:
Earthquakes in the
Democratic Republic of the Congo
568:
398:
1158:
261:6.8 and a maximum perceived intensity of VIII (
814:indicates the deadliest earthquake of the year
837:
717:
611:
1212:1966 in the Democratic Republic of the Congo
36:
731:
844:
830:
724:
710:
530:
851:
596:
524:
449:
394:
392:
254:
222:157 killed (+90 in the May 18 aftershock)
114:
564:
562:
445:
443:
441:
439:
437:
435:
433:
431:
410:. Part A, Volume 81A (First ed.).
399:Engdahl, E. R.; Vallaseñor, A. (2002).
1159:
469:
389:
825:
705:
559:
428:
652:
605:
569:Foster, A.N.; Jackson J.A. (1998).
476:Mavonga, T.; Durrheim R.J. (2009).
272:
13:
688:International Seismological Centre
14:
1228:
680:
576:Geophysical Journal International
533:Journal of African Earth Sciences
660:National Geophysical Data Center
598:10.1046/j.1365-246x.1998.00568.x
368:List of earthquakes in DR. Congo
242:Democratic Republic of the Congo
188:Democratic Republic of the Congo
35:
28:
277:The earthquake occurred in the
198:
515:
401:"Global seismicity: 1900–1999"
281:region, which lies within the
1:
553:10.1016/S0899-5362(97)00035-3
450:Loupekine, I.S. (July 1966).
383:
340:
612:Zana, N.; Tanaka K. (1981).
487:. p. 66. Archived from
16:Earthquake in Uganda in 1966
7:
1177:Natural disasters in Rwanda
363:List of earthquakes in 1966
356:
10:
1233:
627:(3–4): 126. Archived from
621:Tohoku Geophysical Journal
1059:
928:
857:
804:
745:
309:
234:1966 Ruwenzori earthquake
218:
197:
179:
169:
132:
124:
108:
100:
85:
72:
59:
48:
24:
1217:1966 disasters in Africa
664:"Significant earthquake"
267:Mercalli intensity scale
89:March 20, 1966
298:for the earthquake was
287:East Africa Rift System
248:. Some sources put the
244:(DRC), to the south of
649:
512:
1172:Earthquakes in Africa
852:Earthquakes in Africa
644:
504:
1085:2005 Lake Tanganyika
996:1969 Sharm El Sheikh
230:1966 Toro earthquake
20:1966 Toro earthquake
1050:1999 Aïn Témouchent
871:1624 Fez earthquake
736:Earthquakes in 1966
589:1998GeoJI.134..422F
545:1997JAfES..24..183T
283:Western Rift Valley
150: /
55:1966-03-20 01:42:53
21:
1044:1995 Gulf of Aqaba
696:authoritative data
19:
1154:
1153:
819:
818:
226:
225:
1224:
1192:1966 in Tanzania
1167:1966 earthquakes
1109:2010 Beni-Ilmane
1026:1990 South Sudan
919:1856 Middle East
846:
839:
832:
823:
822:
776:(5.1, April 26)
767:(6.8, March 20)
726:
719:
712:
703:
702:
675:
674:
672:
670:
656:
650:
643:
641:
639:
633:
618:
609:
603:
602:
600:
566:
557:
556:
539:(1/2): 183–195.
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473:
467:
466:
464:
462:
456:
447:
426:
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396:
330:, Tanzania, and
273:Tectonic setting
259:
214:
212:
200:
165:
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162:
161:
160:
155:
151:
148:
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119:
96:
94:
39:
38:
32:
22:
18:
1232:
1231:
1227:
1226:
1225:
1223:
1222:
1221:
1202:1966 in Burundi
1157:
1156:
1155:
1150:
1127:2015 South Kivu
1091:2006 Mozambique
1079:2004 Al Hoceima
1055:
960:1955 Alexandria
924:
853:
850:
820:
815:
810:
800:
761:(8.0, March 12)
752:(7.2, March 8)
741:
730:
698:for this event.
683:
678:
668:
666:
657:
653:
637:
635:
631:
616:
610:
606:
583:(2): 425, 438.
567:
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509:
497:
495:
491:
480:
474:
470:
460:
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454:
448:
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414:. p. 681.
403:
397:
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378:Toro sub-region
359:
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312:
300:normal faulting
296:focal mechanism
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258:
206:
204:
158:
156:
152:
149:
144:
141:
139:
137:
136:
118:
101:Local time
92:
90:
86:Local date
44:
43:
42:
41:
40:
17:
12:
11:
5:
1230:
1220:
1219:
1214:
1209:
1204:
1199:
1197:1966 in Rwanda
1194:
1189:
1187:1966 in Uganda
1184:
1179:
1174:
1169:
1152:
1151:
1149:
1148:
1142:
1136:
1130:
1124:
1118:
1112:
1106:
1100:
1097:2008 Lake Kivu
1094:
1088:
1082:
1076:
1073:2003 Boumerdès
1070:
1063:
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1057:
1056:
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1029:
1023:
1017:
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1005:
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993:
987:
981:
975:
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957:
951:
945:
939:
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930:
926:
925:
923:
922:
916:
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904:
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886:
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874:
868:
865:1068 Near East
861:
859:
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854:
849:
848:
841:
834:
826:
817:
816:
805:
802:
801:
799:
798:
794:(8.1, Oct 17)
789:
785:(6.8, Aug 19)
780:
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756:
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154:0.85°N 29.87°E
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1145:2023 Morocco
1103:2009 Karonga
1060:21st century
1038:1994 Mascara
1020:1989 Chenoua
983:
978:1969 Tulbagh
948:1921 Massawa
929:20th century
895:1761 Morocco
877:1716 Algiers
811:
806:
795:
786:
777:
768:
764:
753:
692:bibliography
667:. Retrieved
654:
645:
636:. Retrieved
629:the original
624:
620:
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580:
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496:. Retrieved
489:the original
484:
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459:. Retrieved
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348:
344:
336:
313:
276:
262:
233:
229:
227:
208:
1121:2014 Orkney
1067:2002 Kalehe
1014:1989 Malawi
1008:1983 Guinea
966:1960 Agadir
942:1915 Asmara
936:1913 Asmara
889:1755 Meknes
304:strike-slip
291:Lake Edward
279:Mt Rwenzori
246:Lake Albert
159:0.85; 29.87
157: /
63: event
1161:Categories
1115:2011 Nabro
1032:1992 Cairo
954:1954 Chlef
907:1825 Blida
883:1754 Cairo
858:Historical
384:References
341:Earthquake
320:Bundibugyo
289:, between
219:Casualties
207:MMI VIII (
93:1966-03-20
52: time
984:1966 Toro
972:1963 Marj
921:(7.7–8.2)
901:1790 Oran
306:in type.
265:) on the
250:epicenter
232:, or the
201:intensity
133:Epicenter
109:Magnitude
774:Tashkent
457:. UNESCO
357:See also
316:Tanzania
240:and the
192:Tanzania
174:Dip-slip
104:04:42:53
867:(≥ 7.0)
759:Hualien
750:Xingtai
694:and/or
585:Bibcode
541:Bibcode
328:Burundi
285:of the
145:29°52′E
91: (
690:has a
418:
324:Rwanda
310:Damage
263:Severe
238:Uganda
209:Severe
190:, and
184:Uganda
142:0°51′N
80:ComCat
67:849400
1147:(6.8)
1141:(6.5)
1135:(5.9)
1129:(5.8)
1123:(5.5)
1117:(5.7)
1111:(5.3)
1105:(6.0)
1099:(5.9)
1093:(7.0)
1087:(6.8)
1081:(6.3)
1075:(6.8)
1069:(6.2)
1052:(5.6)
1046:(7.3)
1040:(5.9)
1034:(5.8)
1028:(7.1)
1022:(5.9)
1016:(6.3)
1010:(6.3)
1004:(7.1)
998:(6.6)
992:(7.9)
986:(6.8)
980:(6.3)
974:(5.6)
968:(5.8)
962:(6.3)
956:(6.7)
950:(6.1)
909:(7.0)
903:(6.0)
897:(8.5)
891:(7.0)
885:(6.6)
879:(7.0)
873:(6.0)
783:Varto
669:5 May
638:5 May
632:(PDF)
617:(PDF)
498:5 May
492:(PDF)
481:(PDF)
461:5 May
455:(PDF)
404:(PDF)
332:Kenya
128:36 km
125:Depth
73:USGS-
944:(VI)
938:(VI)
915:(IX)
792:Peru
765:Toro
686:The
671:2012
640:2012
510:6.8)
500:2012
463:2012
416:ISBN
228:The
199:Max.
170:Type
112:6.8
75:ANSS
593:doi
581:134
549:doi
61:ISC
50:UTC
1163::
754:‡†
662:.
625:28
623:.
619:.
591:.
579:.
573:.
561:^
547:.
537:24
535:.
483:.
430:^
406:.
391:^
326:,
269:.
186:,
845:e
838:t
831:v
812:‡
807:†
796:†
787:†
778:†
769:†
739:→
733:←
725:e
718:t
711:v
673:.
642:.
601:.
595::
587::
555:.
551::
543::
508:w
502:.
465:.
424:.
257:w
255:M
211:)
117:w
115:M
95:)
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