Volcano That Was 'Extinct' for 700,000 Years Is Now Rising

A volcano believed to be extinct for around 700,000 years is showing clear signs of rising again, surprising geologists who thought it was permanently inactive. New ground deformation, seismic signals, and magma movement detected deep below the surface suggest the volcanic system is slowly reawakening. This video explains how scientists determine whether a volcano is extinct, dormant, or active—and why those labels can change over geological time. We break down the data, the monitoring technology used, and what “uplift” actually means in volcanic terms. 🌋

Credit:
2012 / Columbia Pictures and co-producers
CC BY-SA 3.0 https://creativecommons.org/licenses/by-sa/3.0/:
Taftan in Iran: by Alborzagros, https://maps-for-free.com/, https://commons.wikimedia.org/wiki/File:Taftan_in_Iran.png
Eyjafjallajökull: by Bjarki Sigursveinsson, https://flic.kr/p/7Uomcm, https://commons.wikimedia.org/wiki/File:Eyjafjallajökull_17-4-2010.jpg
Taftan Volcano: by Amirhossein Nikroo, https://commons.wikimedia.org/wiki/File:Taftan_Volcano.jpg
Seismograph measuring visitors: by Waifer X, CC BY 2.0 https://creativecommons.org/licenses/by/2.0/, https://flic.kr/p/53Uwb7, https://commons.wikimedia.org/wiki/File:Seismograph_measuring_visitors_stomping_their_feet_(often_deliberately)_at_the_Thomas_A._Jaggar_Museum,_Hawaiian_Volcano_Observatory.webm
Exploring Volcanoes: by NASA's Scientific Visualization Studio - David Obajemu, ADNET Systems, Inc./Molly Wasser, University of Maryland/Nick Schmerr, USRA/Jacob Richardson, KBR Wyle Services, LLC/Dan Gallagher, ADNET Systems, Inc./Aaron E. Lepsch, https://svs.gsfc.nasa.gov/14652, https://commons.wikimedia.org/wiki/File:Exploring_Volcanoes_with_NASA’s_GEODES_Team_(SVS14652).webm
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