Cumbal , Colombia : Seismic activity remains low, with a slight increase compared to the previous week,

Cumbal , Colombia : Seismic activity remains low, with a slight increase compared to the previous week,

Subject: Activity Bulletin of theCumbal volcano.

The level of activity of the volcano remains at: YELLOW (III): changes in the behavior of volcanic activity.

About the monitoring activity of the volcanic complex of Cumbal volcano, the Colombian Geological Service, noted that:

Seismic activity remains low, with a slight increase compared to the previous week, and the predominance of events related to the movement of fluid in the volcanic system. Events related to rock fracturing are located mainly in and near the Plazuela crater, with depths of up to 9.2 km and local magnitudes between M1 and M0.2 on the Richter scale.

On 12 and 14 April, it was possible to register white gas emissions stretching variably by the wind on the fumaroles fields located in the northeast and southwest of the volcanic complex .

The Colombian Geological Commission follows closely the evolution of the volcanic phenomenon and will continue to report timely to the changes that may occur.

April 21, 2016. Cumbal , Colombia :

Source : MAURICIO DIEGO MARTÍNEZ GÓMEZ
Coordinateur du Groupe de travail , Observatoire Volcanologique et Sismologique de Pasto
Photo : SGC

Share "Cumbal , Colombia : Seismic activity remains low, with a slight increase compared to the previous week," via: