Barva volcano

Complex volcano 2906 m / 9,534 ft
Costa Rica, 10.14°N / -84.1°W
Current status: normal or dormant (1 out of 5)

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Typical eruption style: unspecified
Barva volcano eruptions: 6050 BC ± 1000 years

TimeMag. / DepthDistance/Location
Thursday, September 23, 2021 02:20 GMT (1 earthquake)
Sep 22, 2021 8:20 pm (GMT -6) (Sep 23, 2021 02:20 GMT)

4 km
19 km (12 mi)
Sarapiqui, Provincia de Heredia, 33 km northeast of San Jose, Costa Rica
Wednesday, September 22, 2021 23:19 GMT (2 earthquakes)
Sep 22, 2021 5:19 pm (GMT -6) (Sep 22, 2021 23:19 GMT)

4 km
20 km (12 mi)
Sarapiqui, Provincia de Heredia, 34 km northeast of San Jose, Costa Rica
Sep 22, 2021 12:58 pm (GMT -6) (Sep 22, 2021 18:58 GMT)

6 km
19 km (12 mi)
Pococi, Provincia de Limon, 32 km northeast of San Jose, San José, Costa Rica
Tuesday, September 21, 2021 14:40 GMT (1 earthquake)
Sep 21, 2021 8:40 am (GMT -6) (Sep 21, 2021 14:40 GMT)

4 km
19 km (12 mi)
Pococi, Provincia de Limon, 31 km northeast of San Jose, San José, Costa Rica
Friday, September 10, 2021 23:42 GMT (1 earthquake)
Sep 10, 2021 5:42 pm (GMT -6) (Sep 10, 2021 23:42 GMT)

79 km
37 km (23 mi)
4.8 km southeast of Ciudad Quesada, Costa Rica


The central and least known of three massive volcanoes towering over the capital city of San José, Volcán Barva (Barba) is a complex volcano with multiple summit and flank vents. Its three principal summits visible from the Central Valley give it the common local name of Las Tres Marías. The voluminous andesitic-to-dacitic Tiribí Tuff, exposed in the Central Valley of Costa Rica, was erupted about 322,000 years ago from the Barva summit caldera. Four pyroclastic cones are constructed within the 2 x 3 km caldera at the central and NW part of the summit. The SW peak contains four cones, one of which has a crater lake. Satellitic cones are found on the northern and southern flanks. Lava flows blanket the south side of Barva volcano. The Los Angeles flow, one of the most recent, descends nearly to the city of Heredia. A large plinian eruption occurred at Barva during the early Holocene. Eruptions were reported in 1760 or 1766, 1776? (also a mudflow), and 1867, but later visits to the summit did not provide evidence of eruptions during historical time.
Smithsonian / GVP volcano information

See also: Sentinel hub | Landsat 8
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