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Poas vulkaan
Stratovulkaan 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 vulkaanuitbarstingen:
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

Poas volcano (Costa Rica): incandescence visible from crater

Wednesday May 13, 2020 08:43 AM | DOOR: MARTIN

Incandescence from Poas volcano on 6 May (image: OVSICORI)
Incandescence from Poas volcano on 6 May (image: OVSICORI)
Fumaroles from Poas volcano on 6 May (image: OVSICORI)
Fumaroles from Poas volcano on 6 May (image: OVSICORI)
On 6 May between 04:00-06:00 local time OVSICORI-UNA reported visible incandescence associated with fumarolic activity located south of the Boca A. Seismicity remains stable including regular intervals of 200 to 300 per day. No eruption was detected. The lake level is stable.
Source: Observatorio Vulcanológico y Sismológico de Costa Rica volcano activity update 13 May 2020
Vorig nieuws
Thursday, Feb 13, 2020
OVSICORI-UNA report that there is currently a stable fluctuation pattern of seismic activity at the volcano. There is continued inflation but not a significant amount. Carbon dioxide/Sulfur dioxide (CO 2 / SO 2) ratios remains stable with the exception of a peak on February 9. There is almost no Hydrogen sulfide (H 2 S). Sulfur dioxide emissions significantly increased over the weekend (February 8-9). The crater lake level has also decreased. [meer...]
Emissions´s content from Poas volcano (image: OVSICORI)
Wednesday, Jan 29, 2020
OVSICORI recored 3 volcano-tectonic earthquakes on 18 January and one water eruption on 4 January. There is no significant deformation. ... [meer...]
Phreatic eruption at Poás on 30 Sep 2019 (image: OVSICORI_UNA webcam)
Thursday, Oct 03, 2019
OVSICORI-UNA reported that during 16-26 September sulfur dioxide emissions from Poás drifted W and NE, causing a sulfur odor in Alajuela, Heredia, San José, and Cartago. Acidic rain was recorded at the official’s house in the Poás Volcano National Park (PNVP) on 23 September and at Universidad Nacional Costa Rica (UNA) in Heredia on 26 September. ... [meer...]

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