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A slump is a form of mass wasting that occurs when a coherent mass of loosely consolidated materials or a rock layer moves a short distance down a slope. [1] Movement is characterized by sliding along a concave-upward or planar surface.
Mass wasting, also known as mass movement, [1] is a general term for the movement of rock or soil down slopes under the force of gravity. It differs from other processes of erosion in that the debris transported by mass wasting is not entrained in a moving medium, such as water, wind, or ice.
"Mass Wasting" – The episode explains the phenomenon of mass wasting — the downslope movement of earth under the influence of gravity. It discusses various factors involved in mass wasting, including the rock's effective strength and pore spaces, and different types of mass wasting such as creep , slump , and landslides , as well as ...
Rock slides are the most dangerous form of mass-wasting because they incorporate a sudden, incredibly fast-paced release of bedrock along a uniform plane of weakness. These uniform weaknesses are key to identifying rock slides because unlike slumps, flows, or falls, the failed material moves in a fairly uniform direction over a layer of solid ...
A volcanic landslide or volcanogenic landslide is a type of mass wasting that takes place at volcanoes. Occurrences ... Kīlauea, Hilina Slump; Causes
Description: "Toppling is the forward rotation out of the slope of a mass of soil or rock about a point or axis below the centre of gravity of the displaced mass. Toppling is sometimes driven by gravity exerted by material upslope of the displaced mass and sometimes by water or ice in cracks in the mass" (Varnes, 1996)
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Mailboxes caught in a mudflow following the May 1980 Mount St. Helens volcanic eruption.. A mudflow, also known as mudslide or mud flow, is a form of mass wasting involving fast-moving flow of debris and dirt that has become liquified by the addition of water. [1]