One lies under Yellowstone,,,,,,,,,,,,,,and is the very reason for the existence of Old Faithful...........there is a hot spot under Yellowstone,,,,,,,,one of the biggest on earth.......the Hawaiian islands are actually mountains formed from a hot spot...................



Did you know that a large fault lies at the base of the Teton Range? Every few thousand years earthquakes up to a magnitude of 7.5 on the Richter Scale signal movement on the Teton fault, lifting the mountains skyward and hinging the valley floor downward.