Earthflows and slumps generally involve movement of unconsolidated or weakly consolidated soil and regolith.

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Earthflows and slumps are types of mass wasting that involve the downslope movement of soil and regolith that are not well-consolidated or are weakly consolidated, such as clay or sand. This movement can be triggered by a variety of factors, including heavy rainfall, earthquakes, and human activity.

Earthflows and Slumps Generally Involve Movement of Unconsolidated or Weakly