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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
Tue, 15 Jan
Tue, 15 Jan 10:31 UTCM 2.8 / 10 km25 km4 km al Noreste de San Cristobal, Desamparados.
Tue, 15 Jan 07:25 UTCM 2.3 / 6 km21 km4 km al Sur de Tejar, El Guarco.
Mon, 14 Jan
Mon, 14 Jan 05:56 UTCM 3.2 / 79 km15 km2 km al Sureste de San Isidro, Heredia.
Thu, 10 Jan
Thu, 10 Jan 01:17 UTCM 2.7 / 10 km27 km4 km al Oeste de San Antonio, Escazu.
Tue, 8 Jan
Tue, 8 Jan 14:40 UTCM 2.5 / 9 km26 km2 km al Oeste de Escazu, San Jose.
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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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