27:
34:
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The island of
Trinidad was the hardest hit by the earthquake. Many houses suffered severe damage or collapsed, as did various religious buildings and at least one fort. Of the estimated population at that time of about 1,500 people there were no reported casualties. Cumaná was severely affected, with
337:
in their account of their travels in the area from 1799 to 1804, published in 1814. Again there are no reports of casualties, despite the reported damage. In
Caracas the damage to houses was generally minor, but several larger structures, including some religious buildings, were more badly affected.
315:
for the earthquake of 85 ± 20 kilometres (53 ± 12 miles). This depth is not consistent with rupture along the transform margin, where earthquakes are typically shallow focus, but is consistent with rupture along the subduction interface at the southern end of the Lesser
Antilles
425:
Jouanne, F.; Audemard, F.A.; Beck, C.; Van Welden, A.; Ollarves, R.; Reinoza, C. (2011). "Present-day deformation along the El Pilar Fault in eastern
Venezuela: Evidence of creep along a major transform boundary".
26:
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in the east. Despite the significant damage caused, there are no reports of casualties associated with this earthquake. It had an estimated magnitude in the range 6.5–7.5
742:
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275:(part of the South American Plate). East of Trinidad, the South American Plate is, in contrast, subducting beneath the Caribbean Plate along the
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subduction zone, at the transition to the transform boundary. The magnitude of the earthquake is estimated to be in the range 6.5–7.5 M
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Mocquet, A. (2007). "Analysis and interpretation of the
October 21, 1766 earthquake in the Southeastern Caribbean".
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The magnitude and depth of this event has been estimated based on the extent and shape of
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were struck by a major earthquake on 21 October 1766 at 4:30 in the morning local time in
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The southeastern margin of the
Caribbean lies above the complex boundary between the
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202:, Venezuela (4:45 local time in Trinidad). It caused widespread damage from
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311:. The wide extent of moderate to severe shaking suggests an intermediate
295:, although some of the displacement is accommodated by movement on other
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85 ± 20 km (53 ± 12 mi)
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the city being described as "entirely destroyed" by
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267:and western Venezuela, the Caribbean Plate is
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283:zone, formed by, from west to east, the
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743:Natural disasters in Trinidad and Tobago
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219:and a maximum felt intensity of IX-X (
17:1766 Southeastern Caribbean earthquake
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358:List of earthquakes in the Caribbean
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353:List of earthquakes in Venezuela
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277:Lesser Antilles subduction zone
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348:List of historical earthquakes
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738:Earthquakes in the Caribbean
489:Earthquakes in the Caribbean
521:1766 Southeastern Caribbean
229:European macroseismic scale
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49:October 21, 1766
448:10.1016/j.jog.2010.11.003
404:10.1007/s10950-007-9059-x
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733:Earthquakes in Venezuela
651:2003 Dominican Republic
610:1946 Dominican Republic
753:1766 natural disasters
428:Journal of Geodynamics
331:Alexander von Humboldt
271:obliquely beneath the
384:Journal of Seismology
289:El Pilar Fault System
628:1984 San Pedro Basin
622:1974 Lesser Antilles
261:South American Plate
235:in the north to the
699:2019–20 Puerto Rico
563:1867 Virgin Islands
527:1770 Port-au-Prince
515:1751 Port-au-Prince
440:2011JGeo...51..398J
396:2007JSeis..11..381M
293:Central Range Fault
285:San Sebastián Fault
231:. It was felt from
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245:Kaw, French Guiana
208:Georgetown, Guyana
748:1760s earthquakes
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681:2018 Swan Islands
669:2009 Swan Islands
273:North Andes Plate
239:in the south and
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657:2004 Les Saintes
551:1842 Cap-HaĂŻtien
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251:Tectonic setting
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172:Very destructive
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281:transform fault
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61:Local time
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263:. In northern
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237:Ventuari River
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134:Areas affected
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118:11.0°N 62.5°W
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644:21st century
634:1997 Cariaco
616:1967 Caracas
579:20th century
539:1812 Caracas
533:1787 Boricua
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509:1692 Jamaica
503:1641 Caracas
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299:structures.
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68:, Venezuela)
604:1929 Cumaná
569:1875 CĂşcuta
313:focal depth
309:isoseismals
297:strike-slip
221:destructive
159:Destructive
157:EMS-98 IX (
123:11.0; -62.5
121: /
727:Categories
711:2021 Haiti
693:2018 Haiti
675:2010 Haiti
496:Historical
364:References
303:Earthquake
269:subducting
233:Guadeloupe
182:Casualties
170:EMS-98 X (
64:04:30 (at
53:1766-10-21
523:(6.5–7.5)
412:128549406
320: .
241:Maracaibo
227:) on the
192:Venezuela
151:intensity
138:Venezuela
97:Epicenter
73:Magnitude
342:See also
291:and the
265:Colombia
259:and the
196:Trinidad
142:Trinidad
76:6.5–7.5
436:Bibcode
392:Bibcode
204:Caracas
109:62°30′W
106:11°00′N
51: (
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324:Damage
200:Cumaná
66:Cumaná
713:(7.2)
707:(7.7)
701:(6.4)
695:(5.9)
689:(7.3)
683:(7.5)
677:(7.0)
671:(7.3)
665:(7.4)
659:(6.3)
653:(6.4)
636:(6.9)
630:(6.7)
624:(6.9)
618:(6.7)
612:(8.1)
606:(6.9)
600:(7.1)
594:(6.5)
588:(7.7)
571:(7.5)
565:(7.5)
559:(8.5)
553:(8.1)
547:(8.0)
541:(7.5)
535:(8.0)
529:(7.5)
517:(8.0)
511:(7.5)
505:(6.5)
408:S2CID
89:Depth
333:and
287:the
194:and
149:Max.
444:doi
400:doi
223:to
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432:51
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388:11
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372:^
140:,
481:e
474:t
467:v
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414:.
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318:s
215:s
213:M
174:)
165:–
161:)
81:s
79:M
55:)
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