Chile - Volcanic eruption – ECHO Daily Map | 23/04/2015

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• Calbuco volcano, located in the province of Llanquihue, state of Los Lagos, southern Chile, erupted on 22 April, 18.00 local time (21.00 UTC).
Seismic activity had increased during only approximately one hour before the explosion. Volcanic ash reached a height greater than 15 km and the pyroclastic dispersal has mainly been east-northeast of the volcano, according to Chilean authorities.

• As of 22 April, a Red Alert for aviation has been issued and the airport of Puerto Montt has suspended all flights. Navigation has also seized in lakes Lianquihui, Todos los Santos and Chapo. In the province of Llanquihue and the municipality of Puerto Octay, a State of Constitutional Exception has been announced. A 20 km evacuation zone has been enforced around the erupted crater and shelters have been prepared in Puerto Montt,
Puerto Varas, Puerto Octay and Cochamo. Over 4 000 evacuees have already been reported, mostly from the community of Ensenada.

• The last significant eruption of the same volcano was in 1961. Calbuco was inactive since 1972 but is considered dangerous due to its destruction potential.

Sources: ONEMI, SERNAGEOMIN (1,2),
Media (1, 2, 3, 4), ECHO, VAAC Buenos Aires