Machín, Colombia

Observatory Vulcanológico and Sismológico de Manizales reported a seismic crisis at Cerro Machín on 9 November. The majority of the earthquakes occurred underneath the central and E parts of the lava dome complex in the summit caldera, at depths of 2.5-5 km. Fumarolic activity in the area increased, and cracks in the ground and damage to houses were reported. Seismicity decreased the next day. According to news articles, approximately 400-450 people evacuated to shelters or other safe areas and landslides blocked a highway.

Sources: Instituto Colombiano de Geología y Minería (INGEOMINAS), Caracol, El Tiempo, Portafolio – “Reports provided courtesy of the Smithsonian’s Global Volcanism Program and the US Geological Survey’s Volcano Hazards Program.”

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