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Related to earthflow: mudflow, Debris flow, Debris avalanche
rapid slipping of a mass of earth or rock from a higher elevation to a lower level under the influence of gravity and water lubrication. More specifically, rockslides are the rapid downhill movement of large masses of rock with little or no hydraulic flow, similar to
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A variety of mass movement involving the downslope slippage of soil and weathered rock in a series of subparallel sheets.