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On this Saturday, the authorities met for the situation derived from the activity of the Volcanic Complex Nevados de Chillá n. After that, the yellow alert has been updated for the municipalities of Pinto, Coihueco and San Fabián.
In this way, the level of the technical warning at Naranjo level which includes significant variations in the development of the volcanic process derived from the badysis of indicators of monitoring parameters, is maintained, where a probable eruption could develop over a period of days or weeks
As indicated, the monitoring stations installed near the Nevados Volcanic Complex of Chillán, recorded two earthquakes badociated with explosions ] being the first of magnitude 3.7 M to 430 meters deep, and today a magnitude of 3.9 M to 1.4 kilometers deep.
The two episodes are due to the dynamics of the fluids within the volcanic system, in the vicinity of the crater of Nicanor .
As reported by Onemi on his website, the occurrence of these explosions, suggests that the volcanic system could increase its level of activity according to the scenarios indicated in reports of volcanic activity (RAV) issued daily.
It is possible that new explosions of similar energy and even higher than those already reported, which could imply an increase in the level of vigilance.
Given this context, the stewardship of the Bío Bío Region in coordination with the Regional Directorate of Onemi, has updated the Yellow Warning of the Civil Protection System, for the municipalities of Pinto, Coihueco and San Fabián by activity of Nevados Volcanic Complex of Chillán.
This alert remains in effect since December 31, 2015 and updated on April 5, 2018, product of the orange technical alert.
It is recommended to maintain a safety radius of 3 kilometers around the active crater and prepare emergency plans in areas of potential danger, reported daily by Sernageomin, in reports of volcanic activity , through its Complex Volcanic Hazards Map
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