Nevado del Ruiz volcano news & activity updates
Nevado del Ruiz volcano (Colombia) activity update
Wednesday May 29, 2013 13:47 PM | DOOR: T
Seismic recording this morning at Nevado del Ruiz (OLL station, INGEOMINAS)Small earthquake swarms at shallow depth continue to plague the volcano. They suggest ongoing (small) magmatic intrusions.
The other 5 volcanoes in Colombia currently on alert have not shown significant variations in activity (Galeras: degassing, occasional small ash venting, Cumbal, Machin, Sotará: seismic unrest but no surface activity, Nevado del Huila: degassing/steaming).
Tuesday, May 28, 2013
Yesterday evening, a seismic swarm and a tremor episode occurred, followed by small ash emissions from the Arenas crater observed on the webcams of INGEOMINAS. ... [meer...]
Saturday, May 25, 2013
The volcano remains restless and shows significant degassing activity. Elevated SO2 emission visible on the latest NOAA satellite data is probably the result of the recent magma intrusions. Seismic recordings show internal fluid movements, degassing tremor and occasional small quakes. [meer...]
Thursday, May 23, 2013
Small ash emissions were reported yesterday from the volcano. Seismic activity remains elevated, but reduced compared to the recent earthquake swarms in April and early May. [meer...]
Thursday, May 16, 2013
Seismic (tremor, volcanic-tectonic quakes) and external activity (steaming, occasional weak ash venting) have calmed down a bit over the past days. [meer...]
Monday, May 13, 2013
A small seismic swarm, likely caused by the rise of another new small batch of magma, occurred this morning at the volcano. The hyopcenters were located 4 km SW of the Arenas crater at depths between 4-6 km, INGEOMINAS reported. [meer...]