Nevado De Huila , Colombia : it was recorded a total of 258 seismic events.

Nevado De Huila , Colombia : it was recorded a total of 258 seismic events.

Subject: Weekly Bulletin of volcanic activity of the volcano Nevado del Huila
The level of activity of the volcano continues at:
Yellow activity level or (III): changes in the behavior of volcanic activity.

Analysis and evaluation of information obtained by the volcano monitoring network of the Nevado del Huila, during the week between 13 and 19 April 2016.

The Colombian Geological Service – Volcanic and Seismological Observatory of Popayan reports:
During the period, it was recorded a total of 258 seismic events, of which 99 were related to rock fracturing process (type VT) and 159 related to fluid dynamics in volcanic conduits. Of these, 153 were classified as long-period events (type LP) and seven (7) as pulses of low energy Volcanic Tremor (TR).
On April 19 a mobile flow measurement of SO2 between populations of Tunía and Mondomo was conducted, the calculated flow rate was 494 t / d in a column that was spreading westward from the volcano.

During the week, it was possible to obtain images of the webcam of Caloto, Tafxnú, Maravillas, La Palma and Verdún, in which a column of white steam was observed.
Sensors for techniques of deformation control , magnetic and acoustic sensors, recorded no changes associated with volcanic activity.
Therefore, it is concluded that during the evaluation period, the volcano continued to show stable behavior.
The Geological Survey continues Colombian be alert and report timely to the changes that may occur.

April 25, 2016.Nevado De Huila , Colombia :

Source : SGC , AGUDELO ADRIANA RESTREPO
Coordinateur technique

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