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Volcanoes of Costa Rica

Arenal | Barva | Cerro Chopo | Cerro las Mercedes | Cerro San Miguel | Cerro Tilaran | Durika | Irazu | Isla del Coco | Laguna Poco Sol | Lomas de Colorado | Lomas de Sierpe | Los Perdidos | Miravalles | Orosí | Platanar | Poas | Rincón de la Vieja | Tenorio | Tortuguero | Turrialba
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Volcano list

Arenal

(Stratovolcano 1657 m / 5,436 ft)
Arenal volcano seen from Rio Caliente
Arenal volcano seen from Rio Caliente
Arenal, a major tourist attraction in Costa Rica, is one of the most active volcanoes of Central America. Since a major eruption in 1968, it has been in near-continuous activity building a lava dome and displaying mild explosive activity from the summit crater. [more info]

Barva

(Complex volcano 2906 m / 9,534 ft)
[more info]

Cerro Chopo

(Pyroclastic cone 402 m / 1319 ft)
[more info]

Cerro las Mercedes

(Pyroclastic cone 190 m / 623 ft)
[more info]

Cerro San Miguel

(Lava dome 414 m / 1358 ft)
[more info]

Cerro Tilaran

(Shield 634 m / 2080 ft)
[more info]

Durika

(Lava dome(s) 3257 m / 10686 ft)
[more info]

Irazu

(Stratovolcano 3432 m / 11,260 ft)
Irazú (3432 m) immediately east of the capital San José is Costa Rica's highest and one of its most active volcanoes. Tephra fall (ash) during the last major eruption of Irazú in 1963-65 caused heavy damage to infrastructure and life in San José and its surroundings. [more info]

Isla del Coco

(Shield 575 m / 1886 ft)
[more info]

Laguna Poco Sol

(Explosion crater(?) 789 m / 2589 ft)
[more info]

Lomas de Colorado

(Shield(s) 229 m / 751 ft)
[more info]

Lomas de Sierpe

(Shield(s) 311 m / 1020 ft)
[more info]

Los Perdidos

(Caldera 1357 m / 4452 ft)
[more info]

Miravalles

(Stratovolcano 2028 m / 6,653 ft)
[more info]

Orosí

(Stratovolcanoes 1659 m / 5,443 ft)
[more info]

Platanar

(Stratovolcanoes 2267 m / 7,438 ft)
[more info]

Poas

(Stratovolcano 2708 m (8,884 ft))
Poás is one of Costa Rica´s most active volcanoes, and one of its most frequently visited and prominent ones. It contains a green acid crater lake and during some of its frequent phreatic eruptions, water from the lake is ejected like a geyser. [more info]

Rincón de la Vieja

(Complex volcano 1916 m (6,286 ft))
Rincón de la Vieja is the largest volcano in NW Costa Rica and one of its most active ones. [more info]

Tenorio

(Stratovolcanoes 1916 m / 6,286 ft)
[more info]

Tortuguero

(Pyroclastic cone 119 m / 390 ft)
[more info]

Turrialba

(Stratovolcano 3340 m (10,958 ft))
Turrialba volcano seen from Irazu
Turrialba volcano seen from Irazu
Turrialba (3340 m) is the easternmost of Costa Rica's active volcanoes. It is a large stratovolcano with a complex of 3 summit craters and its flanks mostly covered by farmland and forest. vegetation. After its previous eruption in 1866, signs of unrest started in 2006 and new ph... [more info]
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Latest news:
Wed, 10 Jul 2024, 14:00

Rincon de la Vieja volcano () - Smithsonian / USGS Weekly Volcanic Activity Report for 3 July-9 July 2024 (Continuing Activity)

OVSICORI-UNA reported that small phreatic eruptions at Rincón de la Vieja were recorded at 1140 and 1824 on 9 July. The second event produced a steam-and-gas plume that rose 1 km above the crater rim. A significant increase in tremor amplitude was detected in the afternoon of 9 July and remained high and continuous at least through the morning of 10 July. ... Read all
Wed, 8 May 2024, 14:00

Poas volcano (Costa Rica) - Smithsonian / USGS Weekly Volcanic Activity Report for 1 May-7 May 2024 (New Activity / Unrest)

OVSICORI-UNA reported continuing and sometimes vigorous gas-and-steam emissions from vents on the crater floor at Poás during 30 April-7 May. Daily emissions at Boca C contained variable amounts of ash, with low ash content during 3-5 May and maybe none during 5-6 May. Plumes rose as high as 300 m and drifted E, SW, and W. ... Read all
Wed, 1 May 2024, 14:00

Rincon de la Vieja volcano (Costa Rica) - Smithsonian / USGS Weekly Volcanic Activity Report for 24 April-30 April 2024 (New Activity / Unrest)

OVSICORI-UNA reported that the amplitude of seismic tremor at Rincón de la Vieja intensified on 17 April and then increased again on 25 April. The tremor signals were accompanied by long-period events occurring at a rate of sometimes hundreds per day. The intensities of the earthquakes were the highest recorded within the last five years. ... Read all
Volcanoes of Costa Rica
Map showing Costa Rica's most active volcanoes and the location of the plate boundary between the subducting Pacific and the overriding Carribean plate. (Base map created using Jules Verne UNAVCO map tool featuring Face of the Earth (TM)).
Map showing Costa Rica's most active volcanoes and the location of the plate boundary between the subducting Pacific and the overriding Carribean plate. (Base map created using Jules Verne UNAVCO map tool featuring Face of the Earth (TM)).
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