What is landslide?
How does it occurs
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Landslides occur when masses of rock, earth, or debris move down a slope. ... Mudslides develop when water rapidly accumulates in the ground and results in a surge of water-saturated rock, earth, and debris. Mudslides usually start on steep slopes and can be activated by natural disasters.
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A landslide occurs because the force of gravity becomes greater than either friction or the internal strength of the rock, soil, or sediment. ... Pushing the rock is easier if the surface slopes downhill or is slippery. The same is true for landslides—steeper slopes have less friction, making landslides more common.
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