Tag Archives: Chaitén

SERNAGEOMIN reported that during 17-23 March Chaitén’s lava-dome complex continued to grow from an area that includes the central spines and part of Domo Nuevo 1. This was also the main area where collapses from unstable slopes caused block-and-ash flows. … Continue reading →

On 24 February, SERNAGEOMIN reported that an overflight of Chaitén’s Domo Nuevo 1 and Domo Nuevo 2 lava-dome complex revealed that a large amount of material from the 19 February partial dome collapse had accumulated in the basal ring depression … Continue reading →

SERNAGEOMIN reported that on 19 February a partial lava-dome collapse of the S flank of Chaitén’s Domo Nuevo 1 and Domo Nuevo 2 lava-dome complex generated lateral explosions, block-and-ash flows, and pyroclastic flows. A pyroclastic flow traveled S down the … Continue reading →

Based on SIGMET notices, analysis of satellite imagery, reports from the Puerto Montt Flight Information Region (FIR), and web camera views, the Buenos Aires VAAC reported that on 4, 6, and 7 February ash plumes from Chaitén rose to altitudes … Continue reading →

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 … Continue reading →

SERNAGEOMIN reported that, although inclement weather mostly prevented observations of Chaitén during 24-29 December, a gas-and-steam plume was seen on a web camera rising above Domo Nuevo 2 on 25 and 28 December. The plume was brown mainly at the … Continue reading →

SERNAGEOMIN reported that during 25 November-15 December gas-and-steam plumes with variable amounts of ash rose from Chaitén to altitudes of 2.6-3.1 km (8,500-10,200 ft) a.s.l. and drifted E. Intense gas emissions came from the S flank of the first new … Continue reading →

SERNAGEOMIN reported that on 5 November the S bank of the Chaitén River (locally known as the Blanco) had overflowed and flooded local houses due to intense rains a few days before. Based on observations of satellite imagery and web … Continue reading →

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, … Continue reading →

SERNAGEOMIN reported that clouds obscured camera views of Chaitén’s eruption plume during most of 26-29 August. Glimpses utilizing the web camera revealed that continuous ash plumes rose to an altitude of 1.5 km (4,900 ft) a.s.l. and drifted SW. They … Continue reading →