1861 Mendoza earthquake
|Date||March 20, 1861|
|Areas affected||Argentina, Mendoza Province|
The 1861 Mendoza earthquake occurred in the province of Mendoza, Argentina on 20 March 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 injuring 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). Archived from the original on 20 July 2011. Retrieved 1 March 2011.
- (in Spanish) Epicentro de los terremotos destructivos en Argentina (1692-2012) Listado de Terremotos Históricos.
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