Скачать или смотреть Mass movement driving force for a landslide is gravity, floods, earthquakes, tsunamis, volcano slump

A landslide is a type of mass movement where a large mass of rock, earth, or debris moves downslope due to gravity. It's a form of mass wasting, which is the general term for any downslope movement of soil and rock under the force of gravity. Landslides can occur suddenly or slowly, and they are often triggered by factors like heavy rainfall, earthquakes, or human activities.
Here's a more detailed breakdown:
Mass Movement:
Mass movement, also known as mass wasting, is the overall process of soil and rock moving downslope due to gravity.
It encompasses various types of movement, including landslides, creep, slumps, flows, and falls.
Landslides:
Landslides are a specific type of mass movement where a large mass of material (rock, earth, or debris) moves downslope relatively quickly.
They can be triggered by various factors, including heavy rainfall, earthquakes, volcanic activity, and human actions like deforestation or construction.
The movement can be sudden and destructive, causing significant damage to infrastructure, property, and the environment.
Factors Influencing Landslides:
Gravity: The primary driving force behind all mass movements, including landslides.
Water: Saturation of soil and rock with water can increase the weight and reduce the friction, making it easier for material to move.
Earthquakes: Vibrations from earthquakes can cause landslides, especially on unstable slopes.
Human Activities: Construction, deforestation, and mining can destabilize slopes and increase the risk of landslides.
Slope Angle: Steeper slopes are more prone to landslides than gentle slopes.
Geological Conditions: The type of soil and rock, as well as the presence of fractures or faults, can influence the likelihood of landslides.
This video explains what a landslide is and how it occurs: