Different types of landslides exhibit distinct characteristics and mechanisms of movement. Rockfalls involve the freefall of rocks from steep cliffs or slopes. Topples occur when a mass of rock or soil rotates forward and falls. Slides involve the movement of a mass of material along a defined slip surface, and these can be either rotational or translational. Flows involve the movement of water-saturated material, such as mudflows and debris flows, which can travel rapidly and over long distances. Spreads involve the lateral extension of a mass of soil or rock, often on relatively gentle slopes.
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