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.
IGEPN is reporting an increase in seismicity under Chiles-Cerro Negro volcanic complex, located on the border of Ecuador and Colombia, 24 km (14.9 miles) W of the city of Tulcan and 130 km (80 miles) N of Quito.
The “seismic crisis” around the region of the Chiles and Cerro Negro de Mayasquer volcanoes near the Columbia-Ecuador border is likely caused by intruding magma, according to a report by R. Corredor Torres of the Servicio Geológico Colombiano and coll
Cerro Negro de Mayasquer volcanic complex located at the Ecuador-Colombia border is experiencing increased volcanic unrest and inflation. Authorities raised the alert level to Orange (3/4) and ordered thousands to evacuate amid fears that the recent activity under the
Alert level of the twin-volcanoes Cerro Negro de Mayasquer and Chiles (Colombia-Ecuador border) has been raised to yellow in response to an ongoing seismic crisis and deformation. Seismicity is being detected since November 2013, when a new monitoring network