1861 Mendoza earthquake
|Date||March 20, 1861|
|Countries or regions||Argentina, Mendoza Province|
The 1861 Mendoza earthquake was a major seismic movement in the province of Mendoza, Argentina. It took place on 20 March 1861, at 11:30 PM. It had a magnitude of 7.2 on the Surface wave magnitude scale and an intensity of IX in the Mercalli scale. Its hypocenter was located at an estimated depth of 30 kilometres (19 mi).
The earthquake devastated the provincial capital, Mendoza, killing 4,300 of its 12,000 residents and injured 750.  Most of the buildings were destroyed, including the cabildo (colonial government house). The town was rebuilt in a nearby location, and the authorities moved to their new seat in 1863. The new constructions, which incorporated modern architectural tendencies, were markedly different from the old colonial buildings.
- Ceresis. "Consulta al Catálogo de Hipocentros (1520–1981) (search page)" (in Spanish). Retrieved 1 March 2011.
- (Spanish) Epicentro de los terremotos destructivos en Argentina (1692-2012) Listado de Terremotos Históricos.
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