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1770 Port-au-Prince earthquake

From Wikipedia, the free encyclopedia

1770 Port-au-Prince earthquake
Local date3 June 1770 (1770-06-03)
Local time19:15
Magnitude7.5Mw[1]
Depth10 km (6 mi)
Epicenter18°25′N 72°47′W / 18.42°N 72.79°W / 18.42; -72.79[2]
Areas affectedSaint-Domingue, Captaincy General of Santo Domingo, Jamaica
Max. intensityX (Extreme)[3]
TsunamiYes
Casualties250+

The 1770 Port-au-Prince earthquake took place at 7:15 pm local time on June 3, on the Enriquillo fault near Port-au-Prince, Saint-Domingue, the French colony that is now the country of Haiti.[4]

Damage

The earthquake was strong enough to destroy Port-au-Prince, and leveled all the buildings between Lake Miragoâne and Petit-Goâve, to the west of Port-au-Prince. The Plain of the Cul-de-Sac, a rift valley under Port-au-Prince that extends eastwards into the Dominican Republic, experienced extensive soil liquefaction. The ground under Port-au-Prince liquefied, throwing down all its buildings, including those that had survived the 1751 earthquake.[4] One village, Croix des Bouquets, sank below sea level.[5] Strong shocks were felt in Cap-Haïtien, about 160 kilometres (99 mi) away from the estimated epicenter in the Léogâne Arrondissement. Some chimneys on the distant island of Jamaica collapsed.[4]

It is estimated that 200 people died in Port-au-Prince in collapsed buildings,[4] including 79 of the 80 people in Port-au-Prince's hospital.[5] The death toll would have been higher, but the earthquake was preceded by a rumbling noise that gave people time to flee their houses before the main tremor, which consisted of two shocks lasting a total of four minutes.[4] Fifty people died in Léogâne.[3]

Tsunami

The earthquake generated a tsunami that came ashore along the Gulf of Gonâve, and rolled as much as 7.2 kilometres (4.5 mi) inland into the Cul-de-Sac depression, though this might have been confounded with the effects of the liquefaction.[3]

Aftermath

The aftermath of the earthquake saw much more death as thousands of slaves escaped in the chaos, the local economy collapsed and 15,000 slaves died in the subsequent famine. An additional 15,000 people died from what is thought to have been gastrointestinal anthrax from eating tainted meat bought from Spanish traders.[6]

See also

References

  1. ^ Ali, Syed Tabrez; Andrew M. Freed; Eric Calais; David M. Manaker & William R. McCann (2008). "Coulomb stress evolution in Northeastern Caribbean over the past 250 years due to coseismic, postseismic and interseismic deformation". Geophysical Journal International. Oxford University Press. 174 (3): 904–918. Bibcode:2008GeoJI.174..904A. doi:10.1111/j.1365-246X.2008.03634.x. Archived from the original on 2013-01-05.
  2. ^ Panagiotopoulos, D. G. I. (1995). "Long-term earthquake prediction in Central America and Caribbean Sea based on the time- and magnitude-predictable model". Bulletin of the Seismological Society of America. Seismological Society of America. 85 (4): 1190–1201.
  3. ^ a b c O'Loughlin, Karen Fay; James F. Lander (2003). Caribbean Tsunamis: A 500-Year History from 1498–1998. Springer. pp. 85–86. ISBN 978-1-4020-1717-9.
  4. ^ a b c d e Scherer, J. (1912). "Great earthquakes in the island of Haiti". Bulletin of the Seismological Society of America. Seismological Society of America. 2: 174–179. Archived from the original on 2015-09-23. Retrieved 2015-07-13.
  5. ^ a b Boswell, James (1770). "France". The Scots Magazine. 32 (August): 447–448.
  6. ^ Sublette, Ned (2007). Cuba and Its Music: From the First Drums to the Mambo, Volume 1. Chicago Review Press. p. 108. ISBN 978-1-55652-632-9.
This page was last edited on 31 January 2021, at 19:04
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