Cumbal volcano (Colombia) activity update: continuing small earthquake swarms

Wed, 22 Jan 2014, 09:02
09:02 AM | BY: T
Seismic unrest at weak energy levels continues. 5 small earthquake swarms were recorded over the past week, the most prominent having 213 events up to a maximum of magnitude 1.9 during 5 hours on 19 Jan. Most quakes are associated with rock fracturing at shallow depths (3 km) beneath the La Plazuela crater. Pasto reports no unusual surface activity at the volcano.

Previous news

Wed, 18 Dec 2013, 13:01
INGEOMINAS reported slightly elevated seismic activity during the previous week at the volcano. Small earthquakes related to internal fluid movements are clustered at shallow depth (0-2 km) beneath the La Plazuela crater. ... Read all
Wed, 16 Oct 2013, 08:14
Seismic unrest continues at low levels with little changes over the past weeks and months. GEOMINAS keeps the volcano at yellow alert level. ... Read all
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