Mendoza Earthquake

Date: March 20, 1861 • Location: Departamento de Guaymallén, Argentina

An earthquake occurred in the Argentine province of Mendoza, causing at least 6,000 deaths and destroying most of the buildings in the province's capital city.

The 1861 Mendoza earthquake occurred in the province of Mendoza, Argentina on 20 March at 11:30 PM. It had an estimated magnitude of 7.2 on the Ms scale and an intensity of IX–X on the Mercalli scale. Its hypocenter was located at an estimated depth of 30 kilometres (19 mi).