Calbuco Volcano (Chile) erupts (April 22, 2015)

Calbuco Volcano (Chile) erupts (April 22, 2015)

Calbuco Volcano (Chile) erupts (April 22, 2015). Photo: Reuters. It is a very explosive andesite volcano whose lavas usually contain 55-60% SiO2. It underwent edifice collapse in the late Pleistocene, producing a volcanic debris avalanche that reached the lake.

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