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Stratovolcano 2708 m (8,884 ft)
Costa Rica, 10.2°N / -84.23°W
(2 out of 5)
Poas webcams / live data
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.
Last earthquakes nearby
Latest satellite imagesSentinel hub
| Landsat 8
Volcano news: Poás volcano, Costa Rica
Poas volcano (Costa Rica) activity update
Sun, 10 Jul 2016, 12:05
12:05 PM | BY: T
Phreatic explosion at Poás last week (OVSICORI-UNA)
The volcano remains highly restless, the hydrothermal system probably being disturbed by a shallow magma body.
A sudden and quite violent phreatic explosion, result of overheated ground water flashing to steam, occurred last Tuesday, ejecting mud and water to 200 m above the crater lake.
[Link to video on facebook
A small phreatic explosion occurred at the crater lake yesterday morning at 09:20 local time showing that the hydrothermal system of the volcano remains at elevated unrest. ... read all
A strong phreatic explosion occurred this morning at the crater lake, ejecting mud and water to more than 200 m height and reaching the observation platform. ... read all
A series of 3 phreatic explosions occurred at the crater lake after 14:45 local time on Wednesday. The eruptions followed a phase of relative calm during the past months and ejected jets of steam and mud to heights of approx. 100-200 m. ... read all
Phreatic explosions from the acid crater lake continue to occur at the volcano. During a field campaign on 18 June, OVSICORI scientists observed 5 eruptions during 3 hours. Some of them damaged solar panels of measuring instruments. read all
Another small phreatic eruption occurred from the volcano's crater lake Friday morning. ... read all
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