| 7.5 Ms|
| 30 km|
27 October 1894
| 1977 San Juan earthquake, 1944 San Juan earthquake, 1922 Vallenar earthquake, 1906 Ecuador–Colombia earthquake, 1991 Limon earthquake|1894 San Juan earthquake Wikipedia
The 1894 San Juan earthquake took place in the province of San Juan, Argentina, on 27 October 1894, at about 07:30 PM. It was the most powerful earthquake recorded in Argentina, with magnitude 7.5 on the surface wave magnitude. Its epicenter was located to the northwest of San Juan, approximately at 29°48′S 69°00′W, and at a depth of 30 km.
The maximum perceived intensity for the earthquake was IX on the Mercalli intensity scale. It caused severe damage and about 100 casualties in San Juan and the province of La Rioja, and also caused minor damage in Catamarca, Córdoba, San Luis and Mendoza, up to 500 km away from the epicenter.