The 1782 Mendoza earthquake took place in the province of Mendoza, Argentina, on 22 May 1782, at about 4 PM (UTC-3). It had an estimated magnitude of 7.0 in the Richter scale. Its epicenter was at , at a depth of 30 km. This was the first documented earthquake of many which would affect the provincial capital of Mendoza since its foundation. It was felt with grade VIII (Severe) on the Mercalli intensity scale, and damaged several buildings, but did not produce casualties. See also 1920 Mendoza earthquake References Instituto Nacional de Prevención Sísmica. Listado de Terremotos Históricos. 1782 Mendoza, 1782 1782 in the Spanish Empire