Guallatiri volcano (Northern Chile, Bolivia and Argentina, South America) activity update: increased seismic activity
Elevated seismic activity since the night 30-31 May triggered SERNAGEOMIN to raise the alert level of the volcano to "yellow".
Di, 2. Jun 2015, 16:0616:06 PM | VON: T
A swarm 22 earthquakes related to internal rock fracturing, possibly caused by rising magma, was registered shortly after midnight 30-31 May. A magnitude 3.7 quake occurred at 05:17 local time the next morning.
At the same time, slight deformation of the summit area of the volcano was detected as well, which would be consistent with a new magma intrusion at depth. No other changes (such as increased degassing, rock falls etc) have been noted.
Mi, 27. Mai 2015, 06:00
Guallatiri volcano (Chile) - Smithsonian / USGS Weekly Volcanic Activity Report for 27 May-2 June 2015 (New Activity / Unrest)
OVDAS-SERNAGEOMIN reported that at 0004 and 0517 on 31 May volcano-tectonic events at Guallatiri with local magnitudes of 3.5 and 3.7, respectively, were detected by the seismic network. Very minor deformation was also detected. No other changes were observed in recent months; white plumes continued to rise 200 m. ... Read all