Updating of the activity recorded in the volcano area Chiles – Cerro Negro, Province of Carchi.
With the instrumental monitoring network of the volcanoes Chiles and Cerro Negro by the Geophysical Institute of the National Polytechnic School (IG-EPN) and the Volcanological and Seismological Observatory of Pasto, the Colombian Geological Service (OVSP-CGT) continued monitoring of events in the influence area of the two volcanoes . Seismicity of March 2016 shows a peak of activity observed on the 19th with a total of 103 events. Earthquakes decreased to an average of 13 events per day. On March 4, a hybrid type of event related to rock fracturing and a movement of fluids was recorded.
Earthquakes are located south of the Chiles volcano, between 9 and 12 km deep, the magnitudes are small, less than M1,7 degrees.
Earthquakes related to rock fracturing remain dominant, as in previous months.
Although a gradual decrease in the number of seismic events be recorded on the volcano the volcanic system is not returned to a balanced state.
It is not excluded that occur in the next few weeks some earthquakes that can be felt by the population. Therefore, it is recommended to authorities and communities remain attentive to the information and recommendations provided by official entities.
The IG-EPN and OVSP-SGC continue to work together in the ongoing monitoring and analysis of this activity, volcanic hazards corresponding and socialization of this information permanently to the authorities and communities in the region.
April 02, 2016.Chiles/ Cerro Negro , Equateur :
Source : IGEPN
Photo : Ingeominas.