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Diaporama
Actualités
Wednesday, Oct 23, 2019
Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Buenos Aires warned about a volcanic ash plume that rose up to estimated 12000 ft (3700 m) altitude or flight level 120 and is moving at 15 kts in E direction. ... [details]
Wednesday, Oct 23, 2019
Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Buenos Aires warned about a volcanic ash plume that rose up to estimated 14000 ft (4300 m) altitude or flight level 140 and is moving at 20 kts in NE direction. ... [details]
 

Copahue volcan

stratovolcan 2997 m / 9,833 ft
Chile/Argentina, -37.85°S / -71.17°W
Condition actuelle: Activité petite ou avertissement éruption imminente (3 sur 5)
Copahue webcams / données en temps réel | Reports
Copahue volcano videos
Copahue livres
Last update: 23 Oct 2019 (Volcanic Ash Advisory)
Style éruptif tipique: explosive
Eruptions du volcan Copahue: 2000, 1992, 1961, 1937, 1867(?), 1759(?), 1750 No recent earthquakes
HeureMag. / DepthDistanceLocation
Copahue volcano is an active stratovolcano in central Chile at the border with Argentina. The volcano has a 6.5 x 8.5 km wide caldera with several craters aligned on a 2 km ENE-WSW trending zone.
The eastern summit crater has an acid 300 m wide crater lake known as El Agrio or Del Agrio which has intense hydrothermal activity.
Infrequent mild-to-moderate explosive eruptions occurred in historic time. Eruptions in the last century have ejected pyroclastic rocks and chilled liquid sulfur fragments. The last one was in 2000.

Introduction:

Volcán Copahue is an elongated composite cone constructed along the Chile-Argentina border within the 6.5 x 8.5 km wide Trapa-Trapa caldera that formed between 0.6 and 0.4 million years ago near the NW margin of the 20 x 15 km Pliocene Caviahue (Del Agrio) caldera. and displays intense fumarolic activity. Acidic hot springs occur below the eastern outlet of the crater lake, contributing to the acidity of the Río Agrio, and another geothermal zone is located within Caviahue caldera about 7 km NE of the summit.
(Smithsonian / GVP volcano information)


Derniers images satellite


See also: Sentinel hub | Landsat 8
 

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