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 - 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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