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Copahue Vulkan
Schichtvulkan 2997 m / 9,833 ft
Chile/Argentina, -37.85°S / -71.17°W
Aktueller Status: normal / ruhend (1 von 5)
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Copahue Vulkan-B cher
Ausbrüche des Copahue:
2000, 1992, 1961, 1937, 1867(?), 1759(?), 1750
Typische Aktivität:
explosive
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Copahue volcano news & activity updates

Copahue volcano (Chile): ash emissions, alert level raised to orange

Freitag Mai 24, 2013 08:30 | VON: T

Ash plume from Copahue seen from space (MODIS, via Blog Culture Volcan)
Ash plume from Copahue seen from space (MODIS, via Blog Culture Volcan)
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.
Both earthquakes related to rock fracturing and fluid movements have picked up in numbers and possibly indicate a new magmatic intrusion on its way. This scenario is confirmed by the start of small ash emissions and glow at the crater which is visible at night. The plume of gas and ash could be seen from space by the MODIS sensor, streching about 100 km to the southeast.
Copahue volcano had already experienced a first increase of activity in December, and a second one in January. No eruption followed and alert was lowered to green in April before returning to yellow again soon after.
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Links / Quelle:
Vorherige Nachrichten
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]
Samstag, Apr 20, 2013
Volcanic unrest has been declared over and the volcanic alert level was lowered back to green, as well as the hazard level for the community of Alto Biobio. [mehr]
Freitag, Apr 12, 2013
A pilot reported the emission of steam, gas and minor amounts of volcanic ash from the volcano today (VAAC Buenos Aires). SERNAGEOMIN has not reported unusual activity and maintains alert level yellow. [mehr]
Dienstag, Apr 02, 2013
Based on analysis of satellite imagery and a pilot observation, the Buenos Aires VAAC reported that on 28 March steam-and-gas emissions with small amounts of ash rose from Copahue. [mehr]
Dienstag, Feb 19, 2013
The volcano continued to show a gradually decreasing trend of internal activity, is the conclusion of the latest bulletin SERNAGEOMIN published. ... [mehr]

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