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Salar de Pujsa con Acamarachi.jpg
Salar de Pujsa with Acamarachi and Colachi volcanoes in the distance. Colachi is visible in the rightmost portion of the image.
Highest point
Elevation 5,631 m (18,474 ft) [1]
Coordinates 23°14′11″S 67°38′42″W / 23.23639°S 67.64500°W / -23.23639; -67.64500Coordinates: 23°14′11″S 67°38′42″W / 23.23639°S 67.64500°W / -23.23639; -67.64500[1]
Colachi is located in Chile
Location in Chile
Location Antofagasta Region, Chile
Parent range Andes
Mountain type Stratovolcano
Last eruption Unknown[1]

Colachi is a stratovolcano in the Antofagasta Region of northern Chile. It was built on a basement of ignimbrites.[1] A 7 km² silicic lava flow lies on the saddle between the volcano and Acamarachi.[1]

Colachi is part of a chain of stratovolcanoes stretching along the eastern side of the Salar de Atacama, the most active of which being Lascar.

See also[edit]


  1. ^ a b c d e "Colachi". Global Volcanism Program. Smithsonian Institution. Retrieved 2012-04-13.