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Volcano Photos

Barva Volcano, Costa Rica

 Barva Volcano, Costa Rica, Volcano photo


Barva Volcano, Costa Rica

Volcan Barva (Barba), seen here from the Central Valley of Costa Rica, is a complex volcano with a broad summit containing three principal peaks and a dozen eruptive vents.

Four pyroclastic cones are constructed within the central and NW parts of a 2 x 3 km caldera.

The SW peak is capped by another 4 cones, one of which contains a crater lake.

Satellitic cones are found on the northern and southern flanks.

A large plinian eruption occurred at Barva during the early Holocene.

There have been no confirmed historical eruptions.

 Barva Volcano, Costa Rica, Volcano photo

The central and least known of three massive volcanoes towering over the capital city of San Jose, Volcan 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 Marias.

The voluminous andesitic-to-dacitic Tiribi 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.

PHOTO SOURCE: William Melson, 1993 (Smithsonian Institution), courtesy of the Global Volcanism Program, Smithsonian National Museum of Natural History, used with permission.


NOTE: The information regarding Volcano on this page is re-published from other sources. No claims are made regarding the accuracy of Volcano information contained here. All suggestions for corrections of any errors about Volcano photos should be addressed to the copyright owner noted below the photo.





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