1985 Algarrobo earthquake

1985 Algarrobo earthquake

Map showing location of the epicenter
Date 19:47, 3 March 1985 (UTC-3) (1985-03-03T19:47UTC-3)
Magnitude 8.0 Mw[1]
Depth 33 kilometres (21 mi)
Epicenter Algarrobo
Areas affected Chile, San Antonio, (Valparaíso Region), Alhué, Melipilla, Santiago (Santiago Metropolitan Region), Rengo (O'Higgins Region)
Max. intensity MM IX
Landslides Yes
Casualties 177

The 1985 Algarrobo earthquake occurred on 3 March at 22:47 UTC (19:47 local time). Its epicenter was located on the south coasts of Valparaíso Region, Chile, close to the beach of Algarrobo. It had a magnitude of 8.0 Mw.[1]

The earthquake was felt between the Antofagasta Region in the north, and the Araucanía Region in the south, being felt with more power in Central Chile. It reached a maximum intensity of IX in the Mercalli intensity scale. The most affected zone was the port of San Antonio, in Valparaíso Region, together with Alhué and Melipilla in Santiago Metropolitan Region and Rengo in O'Higgins Region. The earthquake also affected Chile's capital city Santiago with great intensity.

Damage and effects

Houses affected in San Antonio, Valparaiso, by the 1985 Algarrobo earthquake.

The quake left 177 people dead, 2,575 injured, 85,358 houses destroyed and about a million people homeless.[2] Many landslides were registered too, pavement breaks with the destruction of Pan-American highway in several points, broken-down bridges and considerable damage in affected town's infrastructure, with a long interruption on basic services. The damage was valued in more than 1,046 million US dollars.[3]

Region Deaths Injuries Homeless Houses
Refugees Non-refugees Total Destroyed Minor damages
Valparaíso 68 923 3849 252 800 256 649 17 257 28 242
O'Higgins 28 254 322 190 144 190 466 6661 12 374
Maule 2 60 7 43 411 43 418 2079 5549
Santiago 80 1338 7936 488 075 496 011 59 361 63 814
Total 178 2575 12 114 974 430 986 544 85 358 109 979

See also

References

  1. 1 2 Servicio Sismológico Universidad de Chile, Sismos importantes o destructivos desde 1570
  2. ↑ Pinochet, Augusto (11 September 1985). "Mensaje Presidencial: 11 de septiembre de 1984-11 de septiembre de 1985". Memoria Chilena. Retrieved 2016-05-26.
  3. ↑ El Mercurio, Grandes terremotos en Chile

Coordinates: 33°14′24″S 72°02′24″W / 33.240°S 72.040°W / -33.240; -72.040

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