Poas Volcano
Updated: 18 avril. 2024 23:32 GMT -
Stratovolcano 2708 m (8,884 ft)
Costa Rica, 10.2°N / -84.23°W
Condition actuelle: Activité petite ou avertissement éruption imminente (3 sur 5)
Costa Rica, 10.2°N / -84.23°W
Condition actuelle: Activité petite ou avertissement éruption imminente (3 sur 5)
Last update: 10 avril 2024 (Smithsonian / USGS Weekly Volcanic Activity Report)
Poás is one of Costa Rica´s most active volcanoes, and one of its most frequently visited and prominent ones. It contains a green acid crater lake and during some of its frequent phreatic eruptions, water from the lake is ejected like a geyser.
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Eruptions du volcan Poas: 1828, 1834, 1838(?), 1860, 1879(?), 1880, 1888-91, 1895, 1898-1907, 1910, 1910, 1914, 1914-15, 1925, 1929, 1941-46, 1948-51, 1952-57, 1958-61, 1963, 1964-65, 1967, 1969, 1970, 1972-73, 1974-75, 1976, 1977, 1977-78, 1978, 1979-80, 1980, 1981, 1987-90, 1991, 1992, 1992-93, 1994, 1996, 2010, 2011, 2012, 2013, 2014, 2016, 2017
Derniers séismes proches
| Heure | Mag. / Profondeur | Distance / Lieu | |||
| 16 avril 18:46 (Costa Rica) | 3.8 92 km | 10.5 km à l'est |  Costa Rica: 5 km al Norte de Varablanca, Heredia. I FELT IT - 1 report | Info | |
| jeudi, 11 avril 2024 GMT (1 séisme) | |||||
| 11 avril 06:02 (Costa Rica) | 3.1 80 km | 6.5 km au sud | Costa Rica: 8 km al Norte de San Pedro, Poas. | Info | |
| mercredi, 10 avril 2024 GMT (1 séisme) | |||||
| 10 avril 11:53 (Costa Rica) | 3.1 6 km | 21 km au sud-ouest | Costa Rica: 3 km al Sur de Sarchi Sur. | Info | |
Introduction
The broad, well-vegetated edifice of Poás has three craters in a N-S line. The 2708-m-high basaltic-to-dacitic complex stratovolcano is cut by a N-S-trending fissure that extends to the lower northern flank, where a parasite volcano (the Congo stratovolcano) and several explosion craters, or maars, most of them lake-filled, have been created.Poás has two summit crater lakes. The southermost one, Botos, is cold, clear has not eruptied for about 7500 years. The other crater lake is geothermally heated and -after Kawah Ijen in Indonesia - is probably the world's second most acidic natural lake. Its pH is near zero.
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Source: GVP, Smithsonian Institution
Poas Volcano Photos
Vulkan Poás au Costa Rica (Photo: Astrid_Furrer)
Latest satellite images
