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Poas volcano
Stratovolcano 2708 m (8,884 ft)
Costa Rica, 10.2°N / -84.23°W
Current status: restless (2 out of 5)
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Poas volcano eruptions:
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
Typical eruption style:
Phreatic eruptions, sometimes geyser-like ejections of water from the acid crater lake.
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Volcano news: Poás volcano, Costa Rica

Poás volcano (Costa Rica): frequent steam explosions

Saturday Jan 05, 2019 08:35 AM | BY: T

Eruption from Poás' crater lake on 3 Jan 2019 (image: Ovsicori-Una)
Eruption from Poás' crater lake on 3 Jan 2019 (image: Ovsicori-Una)
Ovsicori-una reported frequent steam explosions from the gray acid crater lake, while the lake itself has been decreasing.
Seismicity is dominated by low frequency volcanic earthquakes and sporadic tremor corresponding to the steam eruptions.
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