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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
Tue, 14 Oct 2014, 08:41
Today's phreatic eruption of Poás volcano (OVSICORI-UNA webcam)
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 more... read all
Fri, 29 Aug 2014, 16:32
The first of 3 phreatic explosions at Poás
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.
Mon, 23 Jun 2014, 08:11
Series of images from a phreatic eruption at Poás on 20 June (OVSICORI)
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 more...
Sun, 30 Mar 2014, 09:16
Phreatic eruption at Poás volcano Friday morning (OVSICORI-UNA webcam)
Another small phreatic eruption occurred from the volcano's crater lake Friday morning.
Thu, 20 Mar 2014, 17:52
Phreatic explosion at Poàs volcano yesterday morning (Ovsicori webcam)
Another moderately sized phreatic eruption from the crater lake of the volcano took place yesterday morning at 07:08 local time. Read more... read all
Wed, 26 Feb 2014, 16:05
Phreatic eruption at Poás volcano yesterday (OVSICORI-UNA webcam)
An impressive phreatic eruption took place at the volcano yesterday shortly after noon (local time). So-called cypressoide-type jets of water, mud, and solid blocks were ejected in circular directions from the crater lake to heights of approx. 400 m. The webcam that captured the event was covered with mud. Read more... read all
Thu, 20 Feb 2014, 17:29
Small mud eruption at Poás on 14 Feb (Image: OVSICOR-UNA via faceook)
A very small phreatic or hydrothermal eruption occurred a week ago. OVSICORI-UNA shared a picture showing a geyser-like ejection of mud from the crater lake. Activity in any case seems to have risen. Karin Leonard who lives at Poas wrote us: Read more... read all
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