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Adventure

Slideshow: The Power of Avalanches

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Runaway Train This massive avalanche, on Mount Timpanogos, near Utah's Sundance Ski Resort, reached speeds near 80 miles per hour within 10 seconds…

Runaway Train This massive avalanche, on Mount Timpanogos, near Utah’s Sundance Ski Resort, reached speeds near 80 miles per hour within 10 seconds of fracturing. Larger slides have been clocked at speeds topping 200 miles per hour.

Better Call Geico Avalanches, like this one in Chamonix, France, carry enough force to mangle cars and destroy buildings.  In January 2000, a slide…

Better Call Geico Avalanches, like this one in Chamonix, France, carry enough force to mangle cars and destroy buildings. In January 2000, a slide ripped through the sleepy fishing village of Cordova, Alaska, crushing the majority of structures. Photo by Corbis Sygma

This Could Be Your Femur The force of an avalanche is enough to mow down acres of timber, making matchsticks of trees that are one to two feet in…

This Could Be Your Femur The force of an avalanche is enough to mow down acres of timber, making matchsticks of trees that are one to two feet in diameter. That’s twice the width of your thigh – and a hell of a lot stronger.