Geothermal exploration at Mount Spurr 2008 – 2011

Summit of Mount Spurr August 2011. Crater lake created in 2004 is frozen over again. Crater is refilling with snow. Fumarole field remains. https://volcano.si.edu/showreport.cfm?doi=10.5479/si.GVP.BGVN201201-313040

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Hayes Volcano, Alaska – another previously unknown volcano

Mount Hayes, Tordrillo Mountains, Alaska. Photo courtesy AVO / USGS