Miravalles Volcano
Updated: Apr 19, 2024 19:39 GMT -
Stratovolcano 2028 m / 6,653 ft
Costa Rica, 10.75°N / -85.15°W
Current status: normal or dormant (1 out of 5)
Costa Rica, 10.75°N / -85.15°W
Current status: normal or dormant (1 out of 5)
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Miravalles volcano eruptions: 1946
Latest nearby earthquakes
| Time | Mag. / Depth | Distance / Location | |||
| Apr 14, 03:13 am (Costa Rica) | 2.6 3 km | 16 km (9.9 mi) to the E |  Costa Rica: 6 km al Sureste de Bijagua, Upala. I FELT IT | Info | |
| Friday, April 12, 2024 GMT (1 quake) | |||||
| Apr 11, 10:58 pm (Costa Rica) | 2.5 3 km | 12 km (7.7 mi) to the E | Costa Rica: 2 km al Este de Bijagua, Upala. | Info | |
| Thursday, April 11, 2024 GMT (1 quake) | |||||
| Apr 11, 03:23 am (Costa Rica) | 3.1 3 km | 17 km (10.3 mi) to the E | Costa Rica | Info | |
Background
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.---
Smithsonian / GVP volcano information
Latest satellite images
