Get our newsletter!
Volcano Calendar 2019
: We're proud to present our 2019 volcano calendar: 13 different and attractive images of volcanoes, volcanic landscapes and phenomena taken during volcano tours over the past few years.
: "One of the most eye-catching guides to the world’s volcanoes ever published.
: Our professional team of volcanologists and photographers offers unique travel opportunities: volcano expeditions, photo tours, and relaxed walking & study tours.
The Volcano Adventure Guide
: Excellent information and background for anyone wishing to visit active volcanoes safely and enjoyably. The book presents guidelines to visiting 42 different volcanoes around the world.
: spaces available / : guaranteed / : few spaces left / : booked out
Stratovolcano 2708 m (8,884 ft)
Costa Rica, 10.2°N / -84.23°WCurrent status
: normal or dormant
(1 out of 5)Poas webcams / live data
| ReportsPoas volcano books | ToursPoas 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 nearbyLatest satellite images
Volcano news: Poás volcano, Costa Rica
Poás volcano (Costa Rica): small phreatic explosions on 20 August
Thursday Aug 22, 2013 08:56 AM | BY: T
Phreatic activity at Poás on 20 Aug 2013 (OVSICORI)
A series of small phreatic eruptions occurred on 20 August at the crater lake. The first occurred at 09:55 (local time), ejecting mud and water to 2-3 m height, and a second one, more powerful, at 11:16 reached heights of 10-20 m.
Friday, May 03, 2013
A phreatic explosion occurred from the crater lake on 1 May. [more]
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]
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.
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]
More on VolcanoDiscovery:
Walking & Study tours
: VolcanoDiscovery's signature tours for small groups: Discover volcanoes and volcanic areas from close with an expert in their field! These tours have a broad mix of activities and interests from photography, walking, study travel, nature & culture.
Volcano Calendar 2016
: We're proud to present our new volcano calendar 2016: 13 different and attractive images of volcanoes, volcanic landscapes and phenomena taken during volcano tours over the past few years.
: Witnessing a volcanic eruption from close is an unforgettable experience. We offer a wide variety of tours and expeditions to active volcanoes worldwide.