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Tupungatito volcano (image: 24horas.cl)
Tuesday, Aug 18, 2015
Un terremoto volcánico tectónico de magnitud 3.2 que Richter ocurrió bajo el volcán ayer. El epicentro fue a profundidad de 8,2 km 25 kilómetros al noroeste del cráter principal. Esto puede anunciar un período de inestabilidad en el volcán. ... [Leer más]
 

Tupungatito volcano

estratovolcán 6000 m / 19,685 ft
Centro de Chile y Argentina, América del sur, -33.4°S / -69.8°W
Current status: normal or dormant (1 out of 5) | Reports
Tupungatito volcano books
Last update: 19 Aug 2018 (volcanic earthquake on 17 Aug 2015)
Typical eruption style: explosive
Erupciones del volcán Tupungatito: 1986, 1980, 1968, 1964, 1961, 1960, 1959, 1959, 1958, 1946-47, 1925, 1907, 1901, 1897, 1889-90, 1881?, 1861, 1835?, 1829 No hay terremotos recientes
Fecha / HoraRevista / ProfundidadDistanciaUbicación
Tupungatito volcano is the northernmost historically active volcano of the central Chilean Andes. It is located on the Chile/Argentina border 99 km east of Santiago.
Tupungatito's name is a diminuitive version of the massive Cerro Tupungato stratovolcano located immediately southwest.
Historic eruptions recorded since 1829 were frequent, but usually small explosive ash eruptions. Eruptive activity of Tupungatito is controlled by a N-S-striking fracture and fault system. The volcano possibly has a secondary magma chamber.

Background:

Tupungatito consists of a group of 12 young andesitic and basaltic andesite craters and a cinder cone cone at the NW end of the 4-km-wide, glacier-filled Nevado Sin Nombre caldera on the southern side of the volcano.
The caldera is breached to the NW. Many lava flows from the northernmost crater have traveled through the breach.
It has recently been suggested that Tupungatito and other volcanoes in the Andes tend to erupt more frequently in the aftermath of earthquakes, which may be triggers of new activity. Tupungatito erupted within a year of both the 1906 and 1960 earthquakes, as did Calbuco and Villarrica. Similarly, Osorno and Puntiagudo both erupted soon after Chile's 1837 earthquake.
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Sources:
- Y. Dzierma and H. Wehrmann (2010) "Statistical eruption forecast for the Chilean Southern Volcanic Zone: typical probabilities of volcanic eruptions as baseline for possibly enhanced activity following the large 2010 Concepci´on earthquake", Nat. Hazards Earth Syst. Sci., 10, 2093–2108
- M. Muñoz (2010) "Eruption patterns of the chilean volcanoes Villarrica, Llaima, and Tupungatito", Pure and Applied Geophysics, Volume 121, Numbers 5-6, 835-852


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