1. Landslide is a rapid downward movement of rock, soil and vegetation down the slope under the influence of gravity.
2. The causes of landslides are wide ranging, They have two aspects in common.
3. Force of gravity and
4. Failure of Soil
5. Landslides are considered of two types.
They are:
- Naturally occuring disaster.
- Human induced changes in the environment.
6. Natural causes of landslides are:
- Climatic changes
- Seismic activities
- Weathering
- Soil erosion
- Forest fires
- Gravity and Volcanic eruption
7. Human causes of landslides includes deforestation mining, construction of roads and railways over the mountain.
