Cerro Negro de Mayasquer volcano news & activity updates:
Cerro Negro de Mayasquer volcano (Colombia) activity update
Saturday May 10, 2014 06:34 AM | BY: T
The seismic crisis under the volcano continues. Thousands of small earthquakes, both volcano-tectonic (due to rock fracturing caused by magma pressure) and long-period (due to fluid movements) earthquakes continue to be registered.
Earthquakes under Cerro Negro de Mayasquer (IGPEN)
Colombian and Ecuadorian scientists believe it could be related to shallow magma intrusions. At present, no other signs of unrest that could suggest an eruption in a near or medium future have been detected.
Friday, May 02, 2014
The alert level of the twin-volcanoes Cerro Negro and Chiles has been raised to yellow in response to an ongoing seismic crisis and deformation that has been detected since November 2013, when a new monitoring network had been installed. ... [more]