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Copahue volcano
stratovolcano 2997 m / 9,833 ft
Chile/Argentina, -37.85°S / -71.17°W
Current status: normal or dormant (1 out of 5)
Copahue webcams / live data | Reports
Copahue volcano videos
Copahue volcano books
Copahue volcano eruptions:
2015-16, 2014, 2013, 2012, 2001(?), 2000, 1992, 1961, 1937, 1867(?), 1759(?), 1750
Typical eruption style:
explosive
Last earthquakes nearby
Latest satellite images

Sentinel hub | Landsat 8
 

Copahue volcano news & activity updates

Copahue volcano (Chile/Argentina) activity update: small, intermittent ash emissions

Monday Oct 05, 2015 06:09 AM | BY: T

Ash plume from Copahue volcano on 3 Oct 2015
Ash plume from Copahue volcano on 3 Oct 2015
Activity, both internal and external, has picked up at the volcano. Small, intermittent ash emissions have been observed during the past days, accompanied by a significant increase in tremor related to fluid movements within the volcanic edifice.
During an overflight on 13 Sep, SERNAGEOMIN scientists had found that the acid lake was still present in the El Agrio crater, despite the incandescence visible sometimes at night caused by hot gasses. Fresh sulphur deposits were seen covering snow around the crater, suggesting that at least some part of the erupted gasses originate from magma underneath and not only from the shallow hydrothermal system.
Signs of small phreatic explosions were also detected, SERNAGEOMIN reported in a bulletin on 22 Sep. Between 13 and 22 September, the Lake level began to decrease. Volcanologists believe that the reason for these phenomena is that magma has migrated closer to the surface, although not reached it yet. Whether or not it will, remains to be seen.
Previous news
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]
Wednesday, Nov 19, 2014
The volcano remains restless. Intermittent small to moderate ash emissions from the El Agrio crater and night-time glow continue to be observed at the volcano. ... [more]
Ash emissions from Copahue 4 Nov 2014
Wednesday, Nov 05, 2014
Light ash emissions occurred yesterday from the volcano. Glow continues to be visible from the crater at night. ... [more]
Glow from the crater of Copahue on 27 Oct (image: SERNAGEOMIN)
Thursday, Oct 30, 2014
Signs of unrest at the volcano have decreased and SERNAGEOMIN lowered the alert level back to yellow: ... [more]
 

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