Copahue volcano news & activity updates
Copahue volcano (Chile/Argentina border) activity update
Freitag Jan 25, 2013 08:51 | VON: T
Intense internal (seismic) unrest continues. Sernageomin reported 25 volcano-tectonic and 106 long period events as well as episodes of tremor during 19 hours between 22-23 Jan. An explosion signal was recorded at 23:55 local time (22 Jan) that corresponded to a brief increase of the height of the gas plume to 1500 m above the crater.
No ash emissions or incandescence, or other signs of surface activity other than a moderate slow increase in degassing have so far been observed.
Mittwoch, Jan 23, 2013
Seismic activity increased significantly during 22 Jan, SERNAGEEOMIN reported in two special bulletins. No eruptive activity at the surface has occurred so far, and the official alert level of the volcano remains at "Yellow", but with "Special Attention" (corresponding to "orange" in our classification). ... [mehr]
Mittwoch, Jan 16, 2013
No surface activity and no glow has been observed, but there is elevated seismic activity of low energy with more than 1700 events detected between 15-16 Jan. ... [mehr]
Donnerstag, Jan 10, 2013
The volcano produces a dense column of steam and gas rising up to about 1 km. During nighttime there is slight glow visible. More than 1200 earthquakes were recorded during 10 Jan. [mehr]
Mittwoch, Jan 09, 2013
SERNAGEOMIN reports a strong increase in seismicity during 8 Dec, when more than 1100 events were recorded with little change in surface activity (so far!). [mehr]
Copahue volcano (Chile/Argentina border) activity update: seismic swarms, strong degassing, occasional glow from crater
Dienstag, Jan 08, 2013
SERNAGEOMIN reported 3 seismic swarms and volcanic tremor on 6 Jan, accompanied by increased crater glow and elevated degassing. [mehr]