Gastre Fault Zone
Encyclopedia
The Gastre Fault Zone is a NW-SE trending fault responsible for the alignment of Villarrica
, Quetrupillán
and Lanín
volcanoes. The fault is believed to be a continuation of Lanalhue Fault
which was active in late Paleozoic Era.
Villarrica (volcano)
Villarrica is one of Chile's most active volcanoes, rising above the lake and town of the same name. The volcano is also known as Rucapillán, a Mapuche word meaning "House of the Pillán". It is the westernmost of three large stratovolcanoes that trend perpendicular to the Andean chain along the...
, Quetrupillán
Quetrupillán
Quetrupillán Volcano is a stratovolcano located in the Araucanía Region of Chile. It is situated between Villarrica and Lanín volcanoes, within Villarrica National Park. Geologically, Quetrupillán is located in a tectonic basement block between the main traces of Liquiñe-Ofqui Fault and...
and Lanín
Lanín
Lanín is an ice-clad, cone-shaped stratovolcano on the border of Argentina and Chile. It forms part of two national parks: Lanín in Argentina and Villarrica in Chile. It is a symbol of the Argentine province of Neuquén, being part of its flag and its anthem. Although the date of its last eruption...
volcanoes. The fault is believed to be a continuation of Lanalhue Fault
Lanalhue Fault
Lanalhue Fault is a fault once active in the Paleozoic located in south-central Chile that cuts through Cordillera de Nahuelbuta. The fault takes name from Lanalhue Lake which overlies part of fault. The lanalhue fault makes up a major lithological boundary in the Chilean Coast Range to which...
which was active in late Paleozoic Era.