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- A landslide, sometimes known as landslip, slope failure or slump, is an uncontrollable downhill flow of rock, earth, debris or the combination of the three. Landslides stem from the failure of materials making up the hill slopes and are beefed up by the force of gravity.
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Debris flow – when a mixture of soil, rock, and water moves down a slope. Mudslide – when a mass of wet soil moves down a slope. Landslides can cause significant damage to infrastructure, property, and human life. In some cases, they can also lead to secondary hazards, such as flooding and fires.
Landslides are a type of "mass wasting," which denotes any down-slope movement of soil and rock under the direct influence of gravity. The term "landslide" encompasses five modes of slope movement: falls, topples, slides, spreads, and flows.
May 14, 2018 · slump / sləmp / • v. [intr.] 1. sit, lean, or fall heavily and limply, esp. with a bent back: she slumped against the cushions | (be slumped) Denis was slumped in his seat. 2. undergo a sudden severe or prolonged fall in price, value, or amount: land prices slumped. ∎ fail or decline substantially: the Giants slumped to an 8–8 record. • n.
Educational Resources. Landslide Effects. By Educational Resources. This report illustrates, by means of computer animation, how four different types of landslides (slide, slump, flow, and rockfall) occur and what type of damage may result.
- Causes of Landslides
- Effects of Landslides
- Types of Landslides
While landslides are considered naturally occurring disasters, human-induced changes in the environmenthave recently caused their upsurge. Although the causes of landslides are wide ranging, they have 2 aspects in common; they are driven by forces of gravity and result from failure of soil and rock materials that constitute the hill slope:
Landslides have been verified to result in destruction of property. If the landslide is significant, it could drain the economy of the region or country. After a landslide, the area affected normally undergoes rehabilitation. This rehabilitation involves massive capital outlay. For example, the 1983 landslide at Utah in the United States resulted i...
Falls are sudden movements of loads of soil, debris, and rock that break away from slopes and cliffs. Falls landslides occur as a result of mechanical weathering, earthquakes, and force of gravity. This is a kind of mass movement whereby the sliding material breakaways from underlying stable material. The kinds of slides experienced during this typ...
Apr 19, 2004 · Using a full-scale simulator, researchers have shown that just a small difference in soil density determines whether a landslide becomes a fast-moving killer or merely one that slowly slumps...
Diagram below shows general landslide elements in rotational/slump type: Slump example: Landslide Occurs in Alta, Norway – Jun. 3, 2020 Rock falls are abrupt movements of masses of geologic materials, such as rocks and boulders, that become detached from steep slopes or cliffs.
