Llaima, Chile

SERNAGEOMIN reported that sporadic gas-and-ash plumes from Llaima were seen when the weather was clear during 1-20 June. More frequent and continuous gas emissions rose from the nested cone in the main crater. Seismicity increased during 13-16 June. Towards the end of the observation period, steam plumes rose from the W flank. ONEMI reported that during an overflight on 26 June, bluish gas and ash rose from the top of an active pyroclastic cone in the main crater and the NE flank was not covered with snow, in contrast to other portions of the volcano. On 1 July, a lava flow on the W flank was seen from nearby communities prompting authorities to evacuate about 20-30 people and warn others of possible further evacuations. The lava flow descended the W flank to 800-1000 m from the crater, raising concern for lahars in the Calbuca river. The Alert Level was raised to Yellow (the middle level on a 3-level color system).

Sources: Servicio Nacional de Geología y Minería (SERNAGEOMIN), Oficina Nacional de Emergencia – Ministerio del Interior (ONEMI) – “Reports provided courtesy of the Smithsonian’s Global Volcanism Program and the US Geological Survey’s Volcano Hazards Program.”


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