Nevados_de_Chillán

Nevados de Chillán

Nevados de Chillán

Mountain in Chile

Nevados de Chillán is a group of stratovolcanoes located in the Andes of Ñuble Region, Central Chile, and is one of the most active volcanoes in the region. It consists of three overlapping peaks, 3,212 m (10,538 ft) Cerro Blanco (Volcán Nevado) at the northwest and 3,089 m (10,135 ft) Volcán Viejo (Volcán Chillán) at the southeast, with Volcán Nuevo in the middle. Volcán Viejo was the main active vent during the 17th-19th centuries, and the new Volcán Nuevo lava dome complex formed between 1906 and 1945, eventually growing to exceed Viejo in height by the mid 1980s.

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This complex contains two subcomplexes: Cerro Blanco and Las Termas. The subcomplex Cerro Blanco includes the volcanoes Santa Gertrudis, Gato, Cerro Blanco, Colcura, Calfú Pichicalfú and Baños. The subcomplex Las Termas includes the volcanoes Shangri-La, Nuevo, Arrau, Viejo, Chillán y Pata de Perro. In addition, near of the complex there are two pyroclastic satellite cones, the volcanoes Las Lagunillas and Parador.[1]

Aerial view of the Nevados de Chillán chain. Left to right: Volcán Nevado, Volcán Nuevo, Volcán Chillán. The Volcán Arrau dome complex (1973-1986) can be seen as a sharp cone-shape in front of the Volcán Nevado.

See also

References

  1. [1]
    Naranjo, JA; Gilbert, Jennie S; Sparks, Rachel SJ (2008). Geología del Complejo Volcánico Nevados de Chillán, Región del Biobío (PDF). GEOLOGÍA BÁSICA (in Spanish). Andros Impresores. Archived from the original (PDF) on 2016-03-17. Retrieved 2017-05-27.


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