Significant increase in seismicity under Chiles-Cerro Negro volcanic complex

Significant increase in seismicity under Chiles-Cerro Negro volcanic complex

A new increase in seismic activity has been recorded in the area of ​​the Chiles-Cerro Negro Volcanic Complex (CVCCN) and its surroundings since May 2022, which includes volcano-tectonic and long-period earthquakes which are now at more shallow depths than those recorded in previous years.

Earthquake swarm near Nevado del Huila volcano, Colombia

Earthquake swarm near Nevado del Huila volcano, Colombia

A shallow earthquake registered by the Geological Service of Colombia (SGC) as M5.4 hit 12 km (7.4 miles) NE of the Central Peak of the Nevado del Huila volcano at 12:32 UTC (07:32 local time) on January 26, 2019. The USGS is reporting it as M5.6 at a depth of 10 km…

Earthquake swarm detected under Galeras volcano, Colombia

Earthquake swarm detected under Galeras volcano, Colombia

Colombian authorities are reporting significantly increased seismic activity under Galeras volcano, one of Colombia's most frequently active volcanos. Increased seismicity was first recorded on May 29 and June 2, 2018. The last eruption of this volcano took…