Nevados de Chillán (Chile) - Report for 27 January-2 February 2016 - NEW

Servicio Nacional de Geología and Minería (SERNAGEOMIN) Observatorio Volcanológico de Los Andes del Sur (OVDAS) reported that at 1425 on 29 January a phreatic explosion at Nevados de Chillán's Volcán Arrau dome complex generated an ash emission that was associated with a seismic tremor signal.
During an overflight on 30 January volcanologists observed that the series of recent phreatic explosions had formed a new crater about 50 m from Arrau Crater, on the E flank.
The new crater was 25-30 m wide and at a similar elevation as the crater formed on 8 January.
The Alert Level remained at Yellow, the middle level on a three-color scale.

Source: Servicio Nacional de Geología y Minería (SERNAGEOMIN)

Fonte/Source: Global Volcanism Program/Smithsonian Institution


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