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Planchón-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 Volcán Planchón, Volcán Peteroa and Volcán Azufre.

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Planchón-Peteroa
Peteroa as seen from the summit of Planchón.
Highest point
Elevation	4,107 m (13,474 ft)
Coordinates	35°14′24″S 70°34′12″W
Geography
Planchón-Peteroa Argentina-Chile
Parent range	Andes
Geology
Mountain type	Complex volcano
Last eruption	February to June 2011[1]

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 reaching the Chile Central Valley.

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

September 6, 2010 eruption

Planchón-Peteroa Volcano erupted on September 6, followed by a stronger eruption on September 18. On September 21, the volcano erupted once again, emitting a dark gray plume of volcanic ash. As winds blew the ash southeast into Argentina, residents there were warned by authorities to evacuate the nearby areas before Planchón-Peteroa would erupt again.

See also

• List of volcanoes in Argentina
• List of volcanoes in Chile
• Descabezado Grande
• Las Leñas

References

На других языках

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- [en] Planchón-Peteroa

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[fr] Planchón-Peteroa

Le Planchón-Peteroa, aussi appelé Azufre-Planchón-Peteroa ou Nevado de los Banos, est un volcan actif d'Argentine (département de Malargüe de la province de Mendoza) et du Chili (VIIe Région du Maule), situé à quelque 280 kilomètres à l'ouest de la ville argentine de Malargüe.

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