Miravalles Volcano

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]

Miravalles Volcano
Miravalles Volcano in 1988
Highest point
Elevation2,028 m (6,654 ft)[1]
Prominence1,533 m (5,030 ft) Edit this on Wikidata
ListingList of volcanoes in Costa Rica
Coordinates10°44′54″N 85°09′10″W[1]
Geography
Miravalles Volcano is located in Costa Rica
Miravalles Volcano
Miravalles Volcano
Parent rangeCordillera de Guanacaste
Geology
Age of rock1.5 Myr
Mountain typeStratovolcano
Last eruptionSeptember 1946[1]

The Miravalles Volcano reaches an elevation of 2,023 metres (6,637 ft) and is the highest mountain in the Guanacaste Mountains. The heat from the volcano also helps power a geothermal energy plant at Las Hornillas, which is run by the Institute of Electricity.[2]

References


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