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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.

Nevados de Chillán
Las Trancas Valley.
Highest point
Elevation3,212 m (10,538 ft)
Coordinates36°51′48″S 71°22′36″W
Geography
Nevados de Chillán
Location of Nevados de Chillán
in Chile
LocationChile
Parent rangeAndes
Geology
Mountain typeStratovolcanoes
Volcanic arc/beltSouth Volcanic Zone
Last eruption2021

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.
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. 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.



На других языках


- [en] Nevados de Chillán

[es] Nevados de Chillán

Nevados de Chillán es un complejo volcánico chileno compuesto por dieciocho volcanes[1][2] ubicados en la Cordillera de Los Andes de la Región de Ñuble, cual limita las provincias de Diguillín y Punilla.[1]

[fr] Nevados de Chillán

Les Nevados de Chillán sont un ensemble de trois volcans du Chili, le Cerro Blanco ou Volcán Nevado (3 212 mètres d'altitude), le Volcán Nuevo (3 186 mètres d'altitude) et le Volcán Viejo ou Volcán Chillán (3 186 mètres d'altitude), accompagnés de 18 autres bouches éruptives et d'une zone géothermique[1],[2]. Ces complexes volcaniques sont situés dans le centre du pays, dans la région du Biobío, à l'est de la ville de Concepción.

[it] Nevados de Chillán

Nevados de Chillán è un gruppo di stratovulcani delle Ande, in Cile, ed è uno dei più attivi vulcani della regione.



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