Chile's Chaiten volcano one of scores of active volcanoes in region

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Aerial view Chaiten Volcano southern Chile prior to May 2008 eruption. Image courtesy Chilean Air Force
Aerial view Chaiten Volcano, southern Chile, prior to May 2008 eruption. Image courtesy Chilean Air Force

The Chaiten volcano now erupting in southern Chile is one of 200 to 300 volcanoes in the "Andean Arc" region of Chile, Peru, Ecuador and Columbia considered active by volcanologists, some of which lie in much more densely populated areas, said a University of Colorado at Boulder geologist who has studied Chaiten.


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