An experienced snowmobiler, John Slemp, 52, of Damascus, Ore., miraculously survived a 1,500-foot plummet into the crater of Mt. St. Helens. He is the first person ever to fall into the crater.
On Saturday, Slemp, his son Jared and a family friend took their snowmobiles up to the crater's rim, where John and Jared parked their vehicles, then crawled on their bellies to peer over the cornice -- a dangerous overhanging shelf of snow at the crest of a mountain -- into the crater itself.
The cornice broke loose and Slemp dropped about 150 feet. His son began to slide down with him until their friend grabbed him and pulled him back to safety. The elder Slemp landed on a snow bank, but when he stood to climb back up the crater, the shelf of snow crumbled beneath him and he tumbled about 1,300 feet further down the crater, riding a tidal wave of avalanche debris on his hands and knees.
At 5:20 p.m. PT, the sheriff's office received a phone call that a man had fallen off the crater rim but was up and moving around.
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Scroll down for photos of Mount St. Helens.