SERNAGEOMIN reported that during 7-13 October a gas-and-ash plume from Chaitén rose to an altitude of 3.1 km (10,200 ft) a.s.l. The Volcanic Alert level remained at Red. Based on web camera views, Puerto Montt Flight Information Region (FIR) notices, analysis of satellite imagery, and SIGMET reports, the Buenos Aires VAAC reported that during 12-14 October, continuous ash plumes from Chaitén rose to altitudes of 2.4-4 km (8,000-13,000 ft) a.s.l. and drifted N and E.
Sources: Servicio Nacional de Geología y Minería (SERNAGEOMIN), Buenos Aires Volcanic Ash Advisory Center (VAAC) – “Reports provided courtesy of the Smithsonian’s Global Volcanism Program and the US Geological Survey’s Volcano Hazards Program.”