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Poás Volcano - John Seach
Costa Rica
10.20 N, 84.23 W
summit elevation 2708 m
stratovolcano
Poás is one of Costa Rica's most active volcanoes. The volcano is located within the Poas Volcano National Park.
It has been formed from adjoining eruptive centres with large collapse craters.
A famous eruption in 1910 sent a water geyser 4000 m into the air. Sulphur eruptions have occurred intermittently at the volcano since 1989.
2009 Earthquake
A large earthquake (mag 6.1) occurred at Poas volcano on Thursday 8th January 2009. The epicentre was located 8 km east of the volcano summit.
2008 Eruption
A small phreatic eruption occurred at the crater lake (Laguna Caliente) on 13th January 2008. Ash was emitted to 2.0 km altitude, and forced the evacuation of 20 people.
2006 Eruptions
On 24th March 2006 eruptions occurred from the bottom of Caliente Lake. Two phreatic eruptions occurred at the crater lake on 25-26 September 2006. A phreatic eruption occurred on 16th December 2006. Erupted material reached a height of 30 m.
Poás Volcano Eruptions
2008, 2006, 1996, 1994, 1992-93, 1992, 1991, 1991, 1987-90, 1981, 1980, 1979-80, 1978, 1977-78, 1977, 1976, 1974-75, 1972-73, 1970, 1969, 1967, 1964-65, 1963, 1958-61, 1952-57, 1948-51, 1946, 1941-46, 1929, 1925, 1914-15, 1914, 1910, 1910, 1907, 1898-91, 1880, 1879?, 1860, 1838, 1834, 1828.