landslides

How Fast Can Landslides Travel?

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How Fast Can Landslides Travel? On steep hillsides, debris flows begin as shallow landslides that liquefy and accelerate. A typical landslide travels at 10 miler per hour, but can exceed 35 miles per hour. Are landslides quick or slow? Soil that moves downhill slowly is said to “creep”, and its movement is often slow and

What Factors Led To The Massive Rockslide At Gros Ventre Wyoming?

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What Factors Led To The Massive Rockslide At Gros Ventre Wyoming? What factors led to the massive rockslide at Gros Ventre Wyoming? A combination of three factors caused the rock slide: 1) heavy rains and rapidly melting snow saturated the Tensleep Sandstone causing the underlying shale of the Amsden Formation to lose its shear strength,