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Satellite image showing the plume from Puyehue yesterday (thanks to Sergio Abarca Delgad ‏@sergio_raptor / Twitter)
Friday, Jan 17, 2014
Una pequeña emisión de gas y ceniza fue reportada por Buenos Aires VAAC. De hecho, un penacho de gas, vapor y ceniza volcánica posiblemente diluido es visible en las imágenes satelitales de ayer y esta mañana. ... [Leer más]
MODIS / Terra satellite image 14 Dec showing a plume drifting N from Puyehue
Sunday, Dec 15, 2013
Un penacho de ash(?) significativa fue visto en satélite imágenes ayer por la tarde de Terra. Puesto que no existen otros informes que sugieren que un (más grande en este caso) Erupción ha ocurrido (por ejemplo señales de calor, informes de testigos, webcam), es probable que el penacho fue de viento-movilizó las cenizas de la erupción del 2011-12. ... [Leer más]

Puyehue-Cordón Caulle volcano

estratovolcán 2236 m / 7,336 ft
Centro de Chile y Argentina, América del sur, -40.59°S / -72.12°W
Current status: dormant (1 out of 5)
Puyehue-Cordón Caulle webcams / datos en tiempo real
Última actualización: 17 Jan 2014
Typical eruption style: Explosivos
Erupciones del volcán Puyehue-Cordón Caulle: 2011 (4 June)- 2012, 1960, 1934, 1929, 1921-22, 1905(?), 1893(?) Puyehue-Cordón Caulle with the steam and ash plume from the rift zone eruption seen from space on 26 January 2012 (NASA Earth Observatory) No hay terremotos recientes
Fecha / HoraRevista / ProfundidadDistanciaUbicación
Puyehue-Cordón Caulle volcano in Central Chile is a complex of 2 volcanoes: Puyehue volcano and the fissure system of Cordón Caulle. Puyehue volcano has a 2.4 km wide summit caldera, but historical eruptions occurred at the Cordón Caulle rift zone.
The Cordón Caulle geothermal area occupies a 6 x 13 km wide depression and is the largest active geothermal area in the southern Andes.
Neighboring Calbuco and Puyehue volcanoes lie on the same traverse fault and is has been noted that they tend at the same time or within only few years distance.

Background:

The Puyehue-Cordón Caulle volcanic complex (PCCVC) is a large NW-SE-trending late-Pleistocene to Holocene basaltic-to-rhyolitic transverse volcanic chain SE of Lago Ranco.
The 1799-m-high Pleistocene Cordillera Nevada caldera lies at the NW end, separated from Puyehue stratovolcano at the SE end by the Cordón Caulle fissure complex. The Pleistocene Mencheca volcano with Holocene flank cones lies NE of Puyehue.
The basaltic-to-rhyolitic Puyehue volcano is the most geochemically diverse of the PCCVC. The flat-topped, 2236-m-high Puyehue volcano was constructed above a 5-km-wide caldera and is capped by a 2.4-km-wide summit caldera of Holocene age.
Lava flows and domes of mostly rhyolitic composition are found on the eastern flank of Puyehue. Historical eruptions originally attributed to Puyehue, including major eruptions in 1921-22 and 1960, are now known to be from the Cordón Caulle rift zone.
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Source: USGS / GVP

1960 eruption following the great Chile earthquake
Puyehue-Cordón Caulle Volcano started erupting on 24 May 1960. It is possible, that the eruption was triggered by the great earthquake in Chile (magnitude 9.5; the largest measured earthquake in history) on 22 May 1960. The eruption started with a powerful explosive (subplinian) phase, which formed an ash column 8 km high.

2011 eruption of Puyehue-Cordón Caulle
A new eruption started at the complex of Puyehue-Cordón Caulle volcano in Chile on Saturday 4 June 2011 after 51 years of inactivity.
...màs

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