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Screenshot of a video from 3 Dec looking at the erupting vent in Copahue's crater (Robin Campion, Univ. Mexico)
Thursday, Dec 04, 2014
A recent video by Robin Campion (Univ. Mexico) shows that the activity at the volcano is now magmatic in nature, i.e. fresh magma is being erupted as a small jet of mostly finely fragmented incandescent ash: ... [more]
Ash emission from Copahue this morning
Wednesday, Dec 03, 2014
The volcano continues to produce steam and ash emissions of varying intensity. Phases of hour-long continuous ash emissions have become more frequent recently and incandescence is often visible from the El Agrio crater at night: ... [more]

Copahue volcano

stratovolcano 2997 m / 9,833 ft
Chile/Argentina, -37.85°S / -71.17°W
Current status: erupting (4 out of 5)
Copahue webcams / live data
Copahue volcano videos
Last update: 4 Dec 2014 (ash venting)
Typical eruption style: explosive
Copahue volcano eruptions: 2014, 2013, 2012, 2001(?), 2000, 1992, 1961, 1937, 1867(?), 1759(?), 1750
TimeMag. / DepthDistanceLocation
Wed, 26 Nov
Wed, 26 Nov 07:53 UTCM 2.5 / 5 km3 kmCHILE (Argentina)
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.

Background:

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)


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