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Zufallsfotos
Copahue Vulkan
Schichtvulkan 2997 m / 9,833 ft
Chile/Argentina, -37.85°S / -71.17°W
Aktueller Status: unruhig (2 von 5)
Copahue Webcams / aktuelle Daten | Berichte
Copahue Vulkan-Videos
Copahue Vulkan-B cher
Ausbrüche des Copahue:
2000, 1992, 1961, 1937, 1867(?), 1759(?), 1750
Typische Aktivität:
explosive
Letzte Erdbeben in der Nähe
Letzte Satellitenbilder
 

Copahue volcano news & activity updates

Copahue volcano (Chile): earthquakes continue, evacuations facing difficulties

Mittwoch Mai 29, 2013 08:34 | VON: T

The earthquake swarm has increased and continues today, but the volcano has not yet erupted. The earthquakes are occurring at very high frequency (130 per hour) and are mostly "hybrid", i.e. related to both rock-fracturing and fluid-movements within the volcanic edifice.
Evacuations in the area have progressed, but faced serious difficulties due to heavy snowfall and also because many residents in nearby villages are reluctant to leave their homes and live stock, especially in the municipalities of Butalelbùn (north side) and El Barco (south-west).
On the Argenina side, where much of the volcano's slope is a skiing area, the arrival of snow and the announcement yesterday of lower seismicity have raised hopes to be able to go skiing soon again. However, hundreds of people remain evacuated from this area and an exclusion zone of 15 km from the summit is still in place.
Vorherige Nachrichten
Montag, Mai 27, 2013
An eruption of the volcano could be imminent. SERNAGEOMIN and Civil Protection have raised the alert level to "red", based on the increasing earthquake activity under the volcano. Although so far no volcanic tremor (often a sign of eruptive activity) nor ash plumes have been detected via satellite, citizens of Caviahue in Argentina across the border from Copahue have reported explosions and incandescence from the volcano. ... [mehr]
Sonntag, Mai 26, 2013
Although degassing and ash emissions have decreased, seismic activity at the volcano has picked up, SERNAGEOMIN reported. An average of 356 earthquakes per hour, sometimes merging into what looks as volcanic tremor, has been recorded recently. This could be related to intruding magma from a new batch of magma rising at the moment and as a result, phreatomagmatic or magmatic activity could occur at the surface in the near future. ... [mehr]
Steam-ash plume from Copahue on 24 May (SERNAGEOMIN webcam)
Samstag, Mai 25, 2013
A steam and ash plume is rising about 1-1.5 km from the crater where it is emitted by 3 vents. Two of these emit only gas and steam. The third one erupts some ash as well, Chilean scientists found out during an helicopter overflight. ... [mehr]
Ash plume from Copahue seen from space (MODIS, via Blog Culture Volcan)
Freitag, Mai 24, 2013
SERNAGEOMIN has raised the alert level to orange. Since May 15, a progressive increase in seismic activity as well emissions of gas and now some ash have been observed. ... [mehr]
Sonntag, Mai 12, 2013
SERNAGEOMIN has recently raised the alert back to yellow after new small explosions occurred at the volcano and incandescence was observed at the summit crater. A small but persistent steam-and-ash plume has been rising about 350 m from the volcano. Interestingly, little change in the seismic activity has been noticed with the incandescence and explosions, so it is not clear whether this new activity is caused by fresh magma rising towards the surface. [mehr]

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