Chilean authorities increased the alert level for Puyehue-Cordón Caulle volcano to Yellow (2 of 4) on June 20, 2018, following increased seismic activity detected under the volcano since the beginning of the month. The last eruptive phase of this volcano started on June 4, 2011 and ended in April 2012 (VEI 5).

According to parameters observed between June 1 and 15, 2018, a total of 272 earthquakes were recorded under the volcano, of which 48 were classified as long-period (LP) earthquakes associated with dynamics of fluids inside the volcano.

via Earthquake swarm under Puyehue-Cordón Caulle volcano, alert level raised, Chile

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Earthquake swarm under Puyehue-Cordón Caulle volcano, alert level raised, Chile

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