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Satellite snaps Costa Rica volcano action

Jan. 25, 2012 at 6:27 PM   |   Comments

SAN JOSE, Costa Rica, Jan. 25 (UPI) -- A new vent has opened on one of Costa Rica's active volcanoes, the latest activity following a series of small eruptions beginning in 2010, researchers say.

NASA's Terra satellite captured an image of the new vent, located on the southeastern flank of the Turrialba volcano's West Crater, on Jan. 12, a release from the space agency said.

The Observatorio Vulcanologico y Sismologico de Costa Rica reported the new vent exhibited "a vigorous output of bluish gas at high temperature ... that generated a jet-like sound audible from the visitor lookout."

Turrialba is the eastern-most of Costa Rica's active volcanoes.

The rock at the summit of Turrialba is very weak due to the intense rains of the region and the persistent hydrothermal activity at the summit, seismologists said, allowing new vents to open when pressure from below is high enough to make its way through the weakened rock.

The current eruptions and vent openings are the first substantial activity at Turrialba since the 1860s, researchers said.

© 2012 United Press International, Inc. All Rights Reserved. Any reproduction, republication, redistribution and/or modification of any UPI content is expressly prohibited without UPI's prior written consent.
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