Land Speed Record: Mountain Moves 62 Miles in 30 Minutes

livescience.com — A mountain near the Montana-Wyoming border once moved 62 miles in a half-hour in a catastrophic scenario that could be repeated elsewhere, scientists say. Rock at the summit of Heart Mountain is 250 million years older than at its base. That suggests the top and the bottom have not always been together. May 19, 2006 View in Crawl 4