1894 San Juan earthquake

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1894 San Juan earthquake
Terremoto de San Juan de 1894.jpg
1894 San Juan earthquake is located in Argentina
1894 San Juan earthquake
Date October 27, 1894 (1894-10-27)
Magnitude 7.5 Ms[1]
Depth 30 km[1]
Epicenter 29°36′S 69°00′W / 29.6°S 69.0°W / -29.6; -69.0Coordinates: 29°36′S 69°00′W / 29.6°S 69.0°W / -29.6; -69.0[2]
Areas affected Argentina
Max. intensity IX[1]
Casualties ~100

The 1894 San Juan earthquake was a major seismic movement that 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 / 29.800°S 69.000°W / -29.800; -69.000, 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 minor damages in Catamarca, Córdoba, San Luis and Mendoza, up to 500 km away from the epicenter.[2][3]

References[edit]

  1. ^ a b c National Geophysical Data Center. "Significant earthquake". Retrieved 30 October 2012. 
  2. ^ a b Instituto Nacional de Prevención Sísmica. "Listado de Terremotos Históricos" (in Spanish). Retrieved 30 October 2012. 
  3. ^ Perucca, L.P.; Moreiras S.M. (2009). "Seismic and Volcanic Hazards in Argentina". In Latrubesse E. Natural Hazards and Human-Exacerbated Disasters in Latin America: Special Volumes of Geomorphology. Elsevier. ISBN 9780444531179. Retrieved 8 November 2012.