Get our newsletter!
: "One of the most eye-catching guides to the world’s volcanoes ever published.
Our expert volcanologists and photographers offer unique travel experiences: volcano expeditions
, photo tours, and relaxed walking & study tours.
Excellent information for anyone wishing to visit and enjoy active volcanoes safely. Detailed guidelines to 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
(2 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, 2017Typical eruption style:
Phreatic eruptions, sometimes geyser-like ejections of water from the acid crater lake.Last earthquakes nearbyLatest satellite imagesSentinel hub
| Landsat 8
Volcano news: Poás volcano, Costa Rica
Poas volcano (Costa Rica): phreatic explosions in May
Wednesday Jun 13, 2012 10:05 AM | BY: T
OVSICORI-UNA reported that phreatic eruptions at Poás occurred on 6, 15, 20 and 26 May. The eruption on 15 May was preceded by about 6 hours of very-low amplitude harmonic tremor. Administrators of the Poás Volcano National Park witnessed the eruption and reported that sediment, water, rock fragments, and plumes were ejected 500 m above the lake surface. The level of the lake dropped ~0.9 m between 8 and 29 May.
Tuesday, Mar 13, 2012
During February, Poás activity consisted in strong high-temperature fumarolic activity and sporadic small phreatic explosions, reported by park rangers. ... read all
Wednesday, Jan 04, 2012
Fieldwork at Poás on 16 December showed new geyser activity from a vent on the N flank of the lava dome that formed in 2011. A water-and-mud fountain rose 5-6 m high, flowed into the lake, and built a terrace along the S shore. ... read all
Saturday, Sep 24, 2011
Recently, a part of the lava dome inside the crater of Poas volcano has been showing areas of incandescence and flames of burning gas. read all
Wednesday, Feb 10, 2010
Our correspondant from Costa Rica reports two phreatic eruptions from Poás volcano's crater lake on the morning of Feb 9. ... read all
Friday, Jan 22, 2010
Our correspondant in Costa Rica reports a beautiful phreatic eruption at Poas volcano today at noon time. This is the second eruption (after the one on 25 Dec 09) in a short time span. ... read all
More on VolcanoDiscovery:
Definition of a volcano
: A volcano is the term for any place on the surface of the earth, where hot molten rock (magma) reaches the surface.
Volcano Special expedition
: Special tour to see the ongoing eruption of Shivleuch volcano. Max 6 participants, 5 nights on location, accompanied by our team and local volcanologists. Sign up deadline Sun 24 Feb 2019!
Desert, Salt & Volcanoes
: Experience one of the geologically most active areas on the planet: the Danakil desert in northern Ethiopia. Highlights include Erta Ale volcano with its active lava lake and Dallol hydrothermal fields offering a surreal landscape of colors, salt, geysers and springs.
Exploring the unknown
: We sometimes invite you to "test" new itineraries or destinations with us. Such trips are a reduced cost and require a higher degree of flexibility, but often offer a great deal of adventure.