The US has169 active volcanoes, but experts have classified 18 of these formations as the highest threat to the nation. They mostly sit in Washington, Oregon, California, Hawaii and Alaska.
OPINION: Let s look at all the available Cook Inlet gas adn.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from adn.com Daily Mail and Mail on Sunday newspapers.
Geothermal lease sale planned anew for Mount Spurr, Alaska thinkgeoenergy.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from thinkgeoenergy.com Daily Mail and Mail on Sunday newspapers.