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Arenal volcano

Updated: Jul 5, 2022 07:41 GMT - Refresh
Stratovolcano 1657 m / 5,436 ft
Costa Rica, 10.46°N / -84.7°W
Current status: normal or dormant (1 out of 5)
Last update: 9 Dec 2021
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.

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Typical eruption style: Explosive. Near continuous strombolian activity, occasional major explosive events and lava flows.
Arenal volcano eruptions: 1968-2011, 1968 (major explosion), 1922, 1915(?), 1750, 1530, around 1350 (large, sub-Plinian eruption)
Lastest nearby earthquakes:
TimeMag. / DepthDistance/Location
Saturday, July 2, 2022 GMT (1 quake)
Jul 2, 2022 9:09 am (GMT -6) (Jul 2, 2022 15:09 GMT)
2.8

13 km
14 km (8.7 mi)
Costa Rica: 8 Km Al Oeste De Venado, San Carlos.
Tuesday, June 28, 2022 GMT (2 quakes)
Jun 28, 2022 5:56 am (GMT -6) (Jun 28, 2022 11:56 GMT)
2.5

4 km
33 km (21 mi)
Costa Rica: 9 Km Al Noreste De Tierras Morenas, Tilaran.
Jun 28, 2022 2:37 am (GMT -6) (Jun 28, 2022 08:37 GMT)
2.6

5 km
34 km (21 mi)
Costa Rica: 9 Km Al Noreste De Tierras Morenas, Tilaran.
Monday, June 27, 2022 GMT (1 quake)
Jun 27, 2022 11:39 am (GMT -6) (Jun 27, 2022 17:39 GMT)
3.2

3 km
43 km (27 mi)
Costa Rica: 7 Km Al Sureste De Bijagua, Upala.
Thursday, June 23, 2022 GMT (1 quake)
Jun 23, 2022 3:34 am (GMT -6) (Jun 23, 2022 09:34 GMT)
2.5

10 km
14 km (8.7 mi)
Costa Rica: 11 Km Al Este De Tronadora, Tilaran.

Background

Volcán Arenal, a beautiful, 1657-m high conical andesitic stratovolcano near Lake Arena, is the youngest and one of the most active stratovolcano in Costa Rica. It is famous for a large explosive eruption in 1968 that killed several people and threw incandescent bombs to 5 km distance from the vent.
Arenal lies along a volcanic chain where activity has migrated to the NW over the past 2 million years, from the late-Pleistocene Los Perdidos lava domes through the Pleistocene-to-Holocene Chato volcano, which contains a 500-m-wide, lake-filled summit crater. The earliest known eruptions of Arenal took place about 7000 years ago, and it was active simulataneously with Cerro Chato volcano until the activity of Chato ended about 3500 years ago.
Growth of Arenal has been characterized by periodic major explosive eruptions at several-hundred-year intervals and periods of lava effusion that armor the cone. Arenal's most recent eruptive period began with a major explosive eruption in 1968. Continuous explosive activity accompanied by slow lava effusion and the occasional emission of pyroclastic flows has occurred since then from vents at the summit and on the upper western flank.
Source: GVP, Smithsonian Institution


See also: Sentinel hub | Landsat 8 | NASA FIRMS

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