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Barva volcano

Updated: Sep 28, 2022 04:25 GMT -
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

Latest nearby earthquakes

TimeMag. / DepthDistance/Location
Sunday, September 25, 2022 GMT (1 quake)
Sep 25, 2022 3:36 am (GMT -6) (Sep 25, 2022 09:36 GMT)
3.1

6 km
13 km (8.1 mi)
Provincia de Heredia, 14 km northeast of San Jose, San José, Costa Rica
Saturday, September 24, 2022 GMT (1 quake)
Sep 23, 2022 6:21 pm (GMT -6) (Sep 24, 2022 00:21 GMT)
2.6

4 km
42 km (26 mi)
9.9 km northwest of Turrialba, Provincia de Cartago, Costa Rica
Thursday, September 22, 2022 GMT (1 quake)
Sep 22, 2022 9:37 am (GMT -6) (Sep 22, 2022 15:37 GMT)
3.1

80 km
29 km (18 mi)
25 km northwest of Alajuela, Costa Rica

Background

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.
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Smithsonian / GVP volcano information


See also: Sentinel hub | Landsat 8 | NASA FIRMS

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