News & updates from Cumbal volcano
Cumbal volcano (Colombia) activity update
Freitag Mai 30, 2014 09:55 | VON: T
Seismic unrest continues at the volcano, still on alert status Yellow, with little variation over the past months. The Pasto volcano observatory reported a 50% increase in earthquakes during the past week.
Most earthquakes were associated with internal fluid movements. The other quakes, all very small, were due to rock fracturing at shallow depths. No other signs of unrest were observed at the volcano recently.
Mittwoch, Jan 22, 2014
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. [mehr]
Mittwoch, Dez 18, 2013
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. [mehr]
Mittwoch, Okt 16, 2013
Seismic unrest continues at low levels with little changes over the past weeks and months. GEOMINAS keeps the volcano at yellow alert level. [mehr]
Montag, Okt 07, 2013
No significant changes occurred during the past months. Seismic activity remains above background. The latest significant event was a shallow (and felt) mag 2.1 quake at 14 km distance from the summit on 6 Oct. [mehr]