Chaitén, Chile

SERNAGEOMIN reported that during 29 December-9 January Chaitén’s Domo Nuevo 2 continued to grow and generate a gas-and-ash plume. The plume rose to altitudes of 2.6-3.1 km (8,500-10,200 ft) a.s.l.; block-and-ash flows from frequent spine collapses tinged the plume reddish brown. On 2 January, observers in Chaitén town reported that a block-and-ash flow traveled E and produced a second plume. An overflight on 9 January revealed that Domo Nuevo 1 and Domo Nuevo 2 filled up the 3-km-wide inner caldera. Activity was concentrated on the S part of Domo Nuevo 2. The Alert Level remained Red. According to a news article, Argentine Airlines resumed flights into Esquel airport (about 120 km E) on 12 January, after suspending operations due to ash during the previous eight months.

Based on SIGMET notices and web camera views, the Buenos Aires VAAC reported that on 10 and 12 January ash plumes continuously rose to altitudes 1.8-2.7 km (6,000-9,000 ft) a.s.l. and drifted NNE and E.

Sources: Servicio Nacional de Geología y Minería (SERNAGEOMIN), Buenos Aires Volcanic Ash Advisory Center (VAAC), Infobae  –  “Reports provided courtesy of the Smithsonian’s Global Volcanism Program and the US Geological Survey’s Volcano Hazards Program.”

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