Question

Explain the relation between continuous rains and landslide. Give reasons.

Answer 1

Landslides occur when the slope changes from a stable to an unstable condition. A change in the stability of a slope can be caused by a number of factors, acting together or alone. Natural causes of landslides include: groundwater (pore water) pressure acting to destabilize the slope.

Answer 2

Continuous rain and landslid relationship:

• Landslides usually occurs when the slope happen to change from a stable to an unstable condition. Therefore, the change in slope stability can be caused by numerous factors which are acting alone or together.
• The most important factor for landslide includes rainwater (pore water) pressure acting to destabilize or detaining the slope by its huge pressure.
• When continuous rain occur more and more landslides occurs which causes when water will continuously get inside the soil which in turn leaving the soil wet and heavy.
• Then when the rainwater enters these dents or cracks, it causes weathering of these rocks in a gradual manner.
• The weight of this rock increases, and this rocks slides on these particular sloppy region and settle down at the lower region.
• Then the heavy rainfall leads down-slope to the soil and rock under the direct influence of gravity which in turn leads to the birth of landslides.

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