Sierra Nevada is a

stratovolcano A stratovolcano, also known as a composite volcano, is a typically conical volcano built up by many alternating layers (strata) of hardened lava and tephra. Unlike shield volcanoes, stratovolcanoes are characterized by a steep profile with ...

located in the La Araucanía Region of

Chile Chile, officially the Republic of Chile, is a country in western South America. It is the southernmost country in the world and the closest to Antarctica, stretching along a narrow strip of land between the Andes, Andes Mountains and the Paci ...

, near the Llaima volcano. Its last certain eruptions were in the

Pleistocene The Pleistocene ( ; referred to colloquially as the ''ice age, Ice Age'') is the geological epoch (geology), epoch that lasted from to 11,700 years ago, spanning the Earth's most recent period of repeated glaciations. Before a change was fin ...

period, but its activity may extend into the

Holocene The Holocene () is the current geologic time scale, geological epoch, beginning approximately 11,700 years ago. It follows the Last Glacial Period, which concluded with the Holocene glacial retreat. The Holocene and the preceding Pleistocene to ...

. Its primary lavas are andesitic and basaltic flows, although it has also produced pyroclastic flows.

Lahar A lahar (, from ) is a violent type of mudflow or debris flow composed of a slurry of Pyroclastic rock, pyroclastic material, rocky debris and water. The material flows down from a volcano, typically along a valley, river valley. Lahars are o ...

s are also a hazard of this volcano. This stratovolcano is located in

Conguillío National Park Conguillío National Park is in the Andes, in the provinces of Cautín Province, Cautín and Malleco Province, Malleco, in the Araucanía Region of Chile also known as Araucanía Region, Region IX. Its name derives from the Mapudungun, Mapuch ...

Sources

* (in Spanish; also includes volcanoes of Argentina, Bolivia, and Peru)

External links

* Stratovolcanoes of Chile Subduction volcanoes Mountains of Chile Volcanoes of Araucanía Region Pleistocene stratovolcanoes Two-thousanders of the Andes {{Araucanía-geo-stub

See also

Sources

External links