Yellowstone volcano: USGS geologist reveals ‘BLOW TORCH’ system heating Earth's crust YELLOWSTONE volcano acts like a powerful blow torch heating up the Earth’s crust deep below the United States, a US Geological Survey scientist has spectacularly claimed. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:Feature: What if the Placebo Effect Isn’t a Trick?‘Oumuamua asteroid: Scientists break silence on theory space rock was sent by ALIENSUK property: A SIXTH of Brits would move to Mars to get on the property ladderThree Deep Red States Vote to Expand MedicaidNew Moon 2018 TODAY: What time is the November New Moon today?Kitty O’Neil, Stuntwoman and Speed Racer, Is Dead at 72