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Earth of fire

Actualité volcanique, Articles de fond sur étude de volcan, tectonique, récits et photos de voyage

Publié le par Bernard Duyck
Publié dans : #Actualités volcaniques
Copahue on 11/20/2015 - photo  Red de Emergencia / Twitter

Copahue on 11/20/2015 - photo Red de Emergencia / Twitter

On November 19, from 19:30 local time, seismicity of Copahue has increased, with oscillations of  tremor amplitude.
From November 20, 3:05 local time, small explosions were accompanied by ash emissions and incandescence. A stronger explosion, at 3:40 Local / 6:40 UTC occurred with a plume amount 1,000 meters, heading ENE.
The level of the technical alert is maintained in Amarillo, accompanied by a high risk area and discouraged access of 1.5 km radius from the El Agrio crater.

 

Copahue 11.20.2015 / 3:25 p.m. - Doc. VolcanoDiscovery webcam

Copahue 11.20.2015 / 3:25 p.m. - Doc. VolcanoDiscovery webcam

Copahue - left, ash emission on 20/11/2015 - right, "fumarole" on 10/11/2015 - Doc. SERNAGEOMIN webcam - a click to enlargeCopahue - left, ash emission on 20/11/2015 - right, "fumarole" on 10/11/2015 - Doc. SERNAGEOMIN webcam - a click to enlarge

Copahue - left, ash emission on 20/11/2015 - right, "fumarole" on 10/11/2015 - Doc. SERNAGEOMIN webcam - a click to enlarge

The instability of the volcano manifested itself since early October, with a VT earthquake,  associated with the fragmentation of rocks, on October 2, and night incandescent reported October 6, initiating a more intense degassing process.


Source: reports of SERNAGEOMIN / OVDAS - 01.10 / 02.10 / 20.10

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