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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)
Poas webcams / live data | Reports
Poas volcano books | Tours
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 images
 

Volcano news: Poás volcano, Costa Rica

Poas volcano (Costa Rica) activity update

Friday May 03, 2013 10:05 AM | BY: T

A phreatic explosion occurred from the crater lake on 1 May.
Previous news
Yesterday's signal from Poás volcano
Wednesday, May 01, 2013
A small earthquake swarm occurred yesterday, probably caused by fluid movements bringing heat into the crater lake. Seismicity has calmed down today again. [more]
Saturday, Apr 20, 2013
Minor volcanic unrest that had affected the volcano in the past days seems to be over. [more]
Seismic signal from Poás volcano (POA2 station, OVSICORI)
Wednesday, Apr 10, 2013
The seismic signal suggests increased tremor and signals of possible hydrothermal explosions. An elevated SO2 concentration above the area suggests a higher level of degassing activity. [more]
Seismic signal from Poás volcano (POA2 station, OVSICORI)
Thursday, Mar 14, 2013
A small swarm of local earthquakes occurred at or near Poas yesterday, possibly related to or indicating small hydrovolcanic explosions. [more]
Tuesday, Oct 30, 2012
Early Sunday morning, 29th October residents reported a rumbling sound from Poas. Then at around 13:00 (local time) the volcano ejected ash and mud 500 M above the crater. Two other eruptions took place at 16:34 and 16:44 (both local time). The eruptions were most probably phreatic. The Alert Level remains at GREEN. [more]

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