1985 Algarrobo earthquake
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UTC time | 1985-03-03 22:47 |
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ISC event | 529084 |
USGS-ANSS | ComCat |
Local date | 3 March 1985 |
Local time | 19:47 UTC-3 |
Magnitude | 8.0 Mw[1] |
Depth | 33.0 km (20.5 mi) |
Epicenter | 33°08′06″S 71°52′16″W / 33.135°S 71.871°W |
Areas affected | Chile |
Max. intensity | VIII (Severe) |
Landslides | Yes |
Casualties | 177 dead, 2,575 injured |
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 VIII 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[]
![](http://upload.wikimedia.org/wikipedia/commons/thumb/c/c5/Casas_afectadas_por_el_terremoto_en_San_Antonio.jpg/175px-Casas_afectadas_por_el_terremoto_en_San_Antonio.jpg)
The quake left 177 people dead, 2,575 injured, 85,358 houses damaged or 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 billion US dollars.[3]
Region | Deaths | Injuries | Homeless | Houses | |||
---|---|---|---|---|---|---|---|
Refugees | Non-refugees | Total | Destroyed | Minor damage | |||
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[]
- ^ Jump up to: a b Servicio Sismológico Universidad de Chile, Sismos importantes o destructivos desde 1570 Archived 29 June 2012 at archive.today
- ^ Pinochet, Augusto (11 September 1985). "Mensaje Presidencial: 11 de septiembre de 1984-11 de septiembre de 1985". Memoria Chilena.
- ^ El Mercurio, Grandes terremotos en Chile
Further reading[]
- Bravo, F.; Koch, P.; Riquelme, S.; Fuentes, M.; Campos, J. (2019), "Slip Distribution of the 1985 Valparaíso Earthquake Constrained with Seismic and Deformation Data", Seismological Research Letters, doi:10.1785/0220180396
External links[]
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Wikimedia Commons has media related to 1985 Santiago earthquake. |
- The International Seismological Centre has a bibliography and/or authoritative data for this event.
- Megathrust earthquakes in Chile
- 1985 in Chile
- 1985 earthquakes
- March 1985 events in South America