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Planchon-Peteroa is a complex volcano extending in a north-south direction along the border between Argentina and Chile. It consists of volcanoes of various ages with several overlapping calderas. Those include Volcan Planchon, Volcan Peteroa and Volcan Azufre.

A partial collapse of the complex about 11,500 years ago produced a major debris avalanche, which followed the course of the Teno River until reached the Chile Central Valley.

Peteroa has a crater lake. Lagunas de Teno lie at the foot of Planchon volcano. In this area also is the Vergara International Pass.

See also

List of volcanoes in Argentina

List of volcanoes in Chile

Descabezado Grande

Las Lenas

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This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article Planchon-Peteroa

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