description Dalgaranga Overview
Nevados de Chillán fumaroles are volcanic gas vents in the Nevados de Chillán volcanic complex in Chile's Ñuble Region. Changes in the summit area during unrest included the appearance of new vents, followed by renewed eruptive activity. Fumaroles are monitored because their temperature, location, and gas output can reflect changes in the underlying volcanic system. The site is relevant to volcanologists and agencies tracking activity in the Andes.
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Where are the Nevados de Chillán fumaroles?
They are volcanic gas vents at the Nevados de Chillán volcanic complex in Chile's Ñuble Region, in the southern Andes. The complex sits near the Termas de Chillán ski and hot-springs resort area.
Has Nevados de Chillán erupted recently?
Yes, the complex has been active since around 2016, with unrest that included the appearance of new summit vents followed by renewed explosive activity and lava-dome growth. It became one of Chile's most closely watched volcanoes during that period.
Who monitors the Nevados de Chillán fumaroles?
Chile's national geological survey, SERNAGEOMIN, monitors the complex with cameras, gas measurements, and seismic instruments. Changes in fumarole temperature and output are watched as warning signs of possible escalation.
Does the Termas de Chillán ski resort operate near the volcano?
Yes, the Termas de Chillán ski center operates on the flanks of the volcanic complex in the Ñuble Region. Its operations have had to adjust at times to the volcanic activity at the summit, and hazard zoning is coordinated with SERNAGEOMIN's alert levels.
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