How fast can avalanches travel?



  1. 0 Votes

    It depends on the slope and size of the mountain. “The speed of an avalanche depends mainly on the slope and size of the mountain it’s on. The steeper and longer the slope, the more a sliding slab of snow will accelerate. A big avalanche may cruise downhill at more than 100 miles an hour. But the speed of an avalanche also depends on the friction it encounters as it goes down the slope.”

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