Chaitén, Chile

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. Continuously emitted steam plumes with varying amounts of tephra and gas-and-ash plumes generated by block-and-ash flows drifted N and ESE. The block-and-ash flow volume was smaller compared to the previous week. The Alert Level remained at Red.

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

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