Latest news:
Wednesday, May 22, 2013
New ash emissions occurred yesterday and produced light ash falls in the outskirts of San José, in the areas of Guadalupe, Tres Ríos, Curridabat, and Ipis (at about 30 km distance). ...
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Wednesday, May 01, 2013
A small earthquake swarm occurred yesterday, probably caused by fluid movements bringing heat into the crater lake. Seismicity has calmed down today again.
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Saturday, Apr 20, 2013
Minor volcanic unrest that had affected the volcano in the past days seems to be over.
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Wednesday, Apr 10, 2013
The seismic signal suggests increased tremor and signals of possible hydrothermal explosions. An elevated SO2 concentration above the area suggests a higher level of degassing activity.
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Volcanoes of Costa RicaVolcanoes of Costa Rica
Orosí | Rincón de la Vieja | Miravalles | Tenorio | Arenal | Platanar | Poas | Barva | Turrialba | Irazu
Costa Rica is a small country but has a lot of active volcanoes aligned like pearls on a chain, caused by the NE subduction of the Pacific tectonic plate under the Carribean plate. Among the country's most active volcanoes are Arenal, Poás and Irazú volcanoes.
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