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Miravalles volcan

Stratovolcano 2028 m / 6,653 ft
Costa Rica, 10.75°N / -85.15°W
Condition actuelle: normal / en sommeil (1 sur 5) | Reports
Miravalles livres
Style éruptif tipique: unspecified
Eruptions du volcan Miravalles: 1946 
HeureMag. / DepthDistanceLocation
Wed, 15 Jan 2020
Wed, 15 Jan 17:39 UTCM 3.2 / 4 km7 km3 km al Oeste de Mogote, Bagaces. (Costa Rica)
Tue, 14 Jan 2020
Tue, 14 Jan 18:57 UTCM 3.1 / 4 km9 km2 km al Sureste de Mogote, Bagaces. (Costa Rica)
Tue, 14 Jan 06:57 UTCM 3.1 / 4 km8 kmCosta Rica
Mon, 13 Jan 2020
Mon, 13 Jan 14:02 UTCM 3.1 / 5 km7 km2 km al Este de Mogote, Bagaces. (Costa Rica)
Mon, 13 Jan 13:54 UTCM 3.5 / 5 km9 km2 km al Sur de Mogote, Bagaces. (Costa Rica)
Voir tous

Introduction:

Miravalles is a 2028-m-high andesitic stratovolcano that is one of five post-caldera cones along a NE-trending line within the broad 15 x 20 km Guayabo (Miravalles) caldera. 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. Growth of post-caldera volcanoes in the eastern part of the caldera that overtopped much of the eastern and southern caldera rims was interrupted by edifice collapse that produced a major debris avalanche to the SW. Morphologically youthful lava flows cover the western and SW flanks of the post-caldera Miravalles complex, which rises above the town of Guayabo on the flat western caldera floor. 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.
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Smithsonian / GVP volcano information


Derniers images satellite


See also: Sentinel hub | Landsat 8
 

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