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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) | Reports
Barva volcano books
Typical eruption style: sin especificar
Erupciones del volcán Barva: 6050 BC ± 1000 years
Fecha / HoraRevista / ProfundidadDistanciaUbicación
Fri, 17 May 2019
Fri, 17 May 08:04 UTCM 2.9 / 55 km4 km5 km al Sur de Aguas Zarcas, San Carlos. (Costa Rica)
Sun, 12 May 2019
Sun, 12 May 23:47 UTCM 3.0 / 3 km19 kmCosta Rica
Sat, 11 May 2019
Sat, 11 May 07:08 UTCM 2.3 / 11 km25 km2 km al Oeste de Santa Ana, San Jose. (Costa Rica)
Fri, 10 May 2019
Fri, 10 May 10:40 UTCM 2.9 / 3 km11 km9 km al Norte de Varablanca, Heredia. (Costa Rica)
Fri, 10 May 09:45 UTCM 2.4 / 10 km4 km10 km al Norte de Pacayas, Alvarado. (Costa Rica)
Ver los sismos recientes

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


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