Miravalles Volcano
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| Miravalles Volcano | |
|---|---|
 Miravalles Volcano in 1988 |
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| Elevation | 2,028 m (6,654 ft) [1] |
| Listing | List of volcanoes in Costa Rica |
| Location | |
 Miravalles Volcano
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| Range | Cordillera de Guanacaste |
| Coordinates | 10°44′54″N 85°09′10″W / 10.74833°N 85.15278°WCoordinates: 10°44′54″N 85°09′10″W / 10.74833°N 85.15278°W[1] |
| Geology | |
| Type | Stratovolcano |
| Age of rock | 1.5 Myr |
| Last eruption | 1946[1] |
The Miravalles Volcano is an andesitic stratovolcano in Costa Rica. The caldera was formed during several major explosive eruptions that produced voluminous dacitic-rhyolitic pyroclastic flows between about 1.5 and 0.6 million years ago. The only reported historical eruptive activity was a small steam explosion on the SW flank in 1946. High heat flow remains, and Miravalles is the site of the largest developed geothermal field in Costa Rica.[1]
[edit] References
- ^ a b c d "Miravalles". Global Volcanism Program, Smithsonian Institution. http://www.volcano.si.edu/world/volcano.cfm?vnum=1405-03=. Retrieved 2010-03-11.
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