Explosion and warning of earthquake in a volcanic complex in Chile

EFE / Santiago de Chile

The authorities of the Chilean region of Biobo are alert after recording an explosion followed by a magnitude 3.7 earthquake in the Nevados volcanic complex of Chilln last night, a reported yesterday the National Service of Geologa and Minera (Sernageomin)

The volcanic complex, located about 420 kilometers south of Santiago, has recorded an increase in its activity and a major eruption could occur in a few days or weeks, according to authorities. 19659002] The explosion, considered the most powerful of the eruption cycle, which began on April 5, occurred at 8:55 pm on Friday (00:55 GMT on Saturday) and it is possible that the Explosion has destroyed Part of the dome, emitting ballistic elements around Nicanor Ridge, which could be corroborated by an overflight, said Sernageomin today.

However, there has been no change in the seismic behavior of the volcano, so the org Anism has kept the orange alert in the volcano.

In addition, the National Emergency Bureau (Onemi) has issued a yellow alert for the municipalities of Pinto, Coihueco and San Fabin.

The agency notes, however, that the community near the volcn has not yet reported any anomaly related to this event, which could not be recorded visually due to weather situation.

In this context, the Biobo Stewardship, in coordination with the Regional Emergency Department, was resolved. maintain the yellow alert of the civil protection system in the localities of Pinto, Coihueco and San Fabin, the closest to the volcano.

The environment of Nevados del Chilln remains in a state of alert since December 31, 2015, which has come to orange in some occasions, although it remains yellow since April 5.

Located in an area of ​​influx of tourists attracted by its winter sports centers, the Nevados de Chilln is formed by 18 volcanoes, has a maximum altitude of 3,212 meters and is one most active in Chile.

According to Sernageomin, the complex was formed about 650 thousand years ago. An eruption that lasted between 1861 and 1865 formed the Santa Gertrudis volcano, and another cycle, which spanned from 1906 to 1948, formed the New Volcano, while a third, between 1973 and 1986 , gave birth to the volcano Arrau

. century, in 2005 the volcano Chudcn was formed and in 2008 the volcano Sebastin. Between December 31, 2015 and January 8, 2016, activity was recorded on the new volcano and other eruptive impulses in February, May and August 2016.