El Barco Lake in the foreground, Callaqui in the background left
|Elevation||3,164 m (10,381 ft)|
|Mountain type||Fissure stratovolcano|
|Last eruption||October 1980|
Callaqui is a stratovolcano located in the Bío Bío Region of Chile. It is a large ice-capped, basaltic andesite volcano which is elongated in the northeast-southwest direction, due to its construction along an 11 km (7 mi) long fissure. Numerous cinder cones and lava flows have erupted from vents along this linear fissure. Most of the activity at Callaqui has been fumarolic. Minor eruptions were reported 1751, 1864, and 1937, and the latest eruption was a small phreatic eruption in 1980.
The volcano is the centerpiece of Ralco National Reserve.
- Moreno Roa, Hugo; Lahsen Azar, Alfredo (1986), "Ejemplos del Volcanismo Fisural en los Andes del Sur (38°L.S.)", Revista de la Asociación Geológica Argentina, 42 (1–2): 1–8
- González-Ferrán, Oscar (1995). Volcanes de Chile. Santiago, Chile: Instituto Geográfico Militar. pp. 640 pp. ISBN 956-202-054-1. (in Spanish; also includes volcanoes of Argentina, Bolivia, and Peru)
- "Callaqui". Global Volcanism Program. Smithsonian Institution.
- Biggar, John (2005). The Andes: A Guide for Climbers (3rd ed.). Andes Publishing (Scotland). pp. 304 pp. ISBN 0-9536087-2-7.
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