Mass movement may be defined as the down slope movement, by gravity, of soil and/or rock by the processes of slumping, falling, sliding and flowing.
A downhill movement of soil or fractured rock under the force of gravity.
The gravitationally caused downslope transport of rock, regolith, snow, or ice.
also referred to as landslip, describes to the downslope movement of surface and/or subsurface soils primarily caused by the interaction of gravity and other features of the site.
Various down-slope movements of materials (including rock) under the influence of gravity, often assisted by water but not in flowing water.
The transfer of rock and soil downslope by direct action of gravity without a flowing medium (such as a river or glacial ice). Synonymous with mass wasting.
the downhill movement of sediments by gravity
erosion of soil or rock by gravity-induced collapse. Usually triggered by groundwater pressure after heavy rain, but can also have other causes, notably streams undercutting the base of a slope, or earthquakes. Movement can either be rapid and near-instantaneous (landslides, avalanches, debris flows) or slow and intermittent (earthflows, slumps).
The downslope movement of earth caused by gravity. Includes but is not limited to landslides, rock falls, debris avalanches, and creep. It does not however, include surface erosion by running water. It may be caused by natural erosional processes, or by natural disturbances (e.g., earthquakes or fire events) or human disturbances (e.g., mining or road construction).
A unit movement of a portion of the land surface down a slope as a SLIDE FLOW, or SOIL CREEP in which gravity is the main driving force.
the downhill movement of rock and weathered material
General term that describes the downslope movement of sediment, soil, and rock material.
