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Puyehue-Cordón Caulle volcan

Mise à jour: 8 déc.. 2022 13:48 GMT -
stratovolcan 2236 m / 7,336 ft
Argentine/Chili (centre) (Amérique du Sud), -40.59°S / -72.12°W
Condition actuelle: normal / en sommeil (1 sur 5)
Last update: 14 déc. 2021 (Smithsonian / USGS Weekly Volcanic Activity Report)
Puyehue-Cordón Caulle with the steam and ash plume from the rift zone eruption seen from space on 26 January 2012 (NASA Earth Observatory)
Puyehue-Cordón Caulle with the steam and ash plume from the rift zone eruption seen from space on 26 January 2012 (NASA Earth Observatory)

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.

Montrer carte interactive
Style éruptif tipique: explosive
Eruptions du volcan Puyehue-Cordón Caulle: 2011 (4 June)- 2012, 1960, 1934, 1929, 1921-22, 1905(?), 1893(?)

Derniers séismes proches

No recent earthquakes

Introduction

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 éruption après le séisme au Chili grande
Puyehue-Cordn Caulle volcan en éruption a commencé le 24 mai 1960. Il est possible, que l'éruption a été déclenchée par le grand tremblement de terre au Chili (magnitude 9,5, le plus grand tremblement de terre mesuré en histoire), le 22 mai 1960. L'éruption a commencé avec un explosif (subplinian) phase puissant, qui a formé une colonne de cendres 8 km de haut.

2011 ruption de les Puyehue-Cordn
Une nouvelle éruption a débuté au complexe du volcan Puyehue-Cordón les au Chili le samedi 4 juin 2011 après 51 ans d'inactivité.

See also: Sentinel hub | Landsat 8 | NASA FIRMS
mer., 19 févr. 2014, 06:00

Puyehue-Cordon Caulle volcano (Chile) - Smithsonian / USGS Weekly Volcanic Activity Report for 19 February-25 February 2014 (Continuing Activity)

Based on analyses of satellite images, the Buenos Aires VAAC reported that on 24 February a diffuse plume possibly containing ash from the Cordón Caulle rift zone, part of the Puyehue-Cordón Caulle volcanic complex, was lifted from the surface by the wind. ... Read all
ven., 17 janv. 2014, 08:24

Puyehue-Cordon Caulle volcano (Chile): possible emission of ash

Satellite image showing the plume from Puyehue yesterday (thanks to Sergio Abarca Delgad ‏@sergio_raptor / Twitter)
A small emission of gas and some ash was reported by Buenos Aires VAAC. In fact, a diluted plume of gas, steam, and possibly some volcanic ash is visible on satellite images from yesterday and this morning. Read all
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