COGwriter The USA is at risk should the supervolcano at Yellowstone erupt: September 1, 2014 Yellowstone Supervolcano Eruption Would be Devastating For U.S. If the Yellowstone supervolcano erupted, at least a meter of ash would cover parts of the Rocky Mountain range and a few millimeters of ash would reach cities on both coasts of [...]
Published on September 01, 2014 16:00