News from Nevado del Huila volcano:
Nevado del Huila volcano (Colombia) activity update
mercredi janv. 22, 2014 09:25 | AUTEUR : T
A small increase in volcanic-tectonic earthquakes was noted by INGEOMINAS' volcano observatory in Popayán. A total of 138 seismic events were recorded over the past week, out of 112 were volcanic-tectonic quakes and the remaining 26 events related to fluid movements inside the conduits (long-period quakes and one tremor pulse).
Two earthquakes above magnitude 3 occurred on 17 and 19 January,, the latter (mag. 3.4) was felt in the village of Sin Candela and areas of Paez (Cauca).
lundi, janv. 13, 2014
Following a nearby magnitude 4.5 earthquake at 06:07 local time on 9 Jan, a swarm of volcanic-tectonic quakes was detected at 12-16 km distance NE of the volcano and at approx 10 km depth. During the first day, more than 600 small quakes were recorded. The swarm decreased over the past days and no other (visual, deformation etc.) changes at the volcano were observed. ... lire toutes
mercredi, déc. 18, 2013
No significant changes in the volcano's activity of degassing and small earthquakes have occurred during the past months. INGEOMINAS' alert level remains yellow. ... lire toutes
jeudi, mai 16, 2013
The large volcano has remained calm with little variations in activity (degassing, 100-150 small earthquakes / week). ... lire toutes
jeudi, janv. 31, 2013
Activity during the past week has not changed, characterized by degassing accompanied by normal levels of seismic activity (124 events of low energy). ... lire toutes
samedi, janv. 26, 2013
An SO2 plume detected on the latest NOAA satellite data suggests a phase of elevated degassing has been taking place. ... lire toutes