News & activity updates from Sotara volcano
Sotará volcano (Colombia) activity update
Wednesday Oct 03, 2012 09:39 AM | AUTEUR : T
There were a total of 23 seismic events associated with fracturing of rock, of which 16 were characterized by low energy level. The remaining, of higher energy level, were located mainly in a zone between 2 and 7 km north of the volcano, at depths between 4 and 9 km with local magnitudes between 0.4 and 1.2 on the Richter scale.
No other significant changes were detected at the volcano.
- Boletín semanal de actividad volcán Sotará del 26 de septiembre al 02 de octubre de 2012 (INGEOMINAS)
Wednesday, Sep 26, 2012
There were a total of 36 seismic events associated with fracturing of rock, of which 29 were characterized by low energy level. The remaining, higher energy level, were located mainly in an area between 1 and 2 km north of the volcano, at depths between 1 and 6 km and with local magnitudes around 0.1 degrees on the Richter scale. ... [details]
Wednesday, Sep 19, 2012
Small earthquakes at shallow depth, 25 in total during the past 7 days, continued to occur at 1-6 km depth in an area 1-2 km N of the summit. [details]
Thursday, Sep 13, 2012
Swarms of small quakes and longer tremor pulses appear on the seismic recordings and seem elevated compared to the recent days. [details]
Wednesday, Sep 12, 2012
Seismic unrest continues at Sotará. In the week between 5-11 Sep there were in total 82 events, INGEOMINAS reports. This includes about 50 small quakes of magnitudes between 0.1-1.6 at shallow depths of 1-6 km in an area 1-2 km north of the summit. [details]
Tuesday, Sep 11, 2012
Seismicity is up and down at Sotará volcano with periods of increased activity and small quake swarms of several hours alternating with quiet intervals. [details]