Question

“A massive landslide hit Pangi village situated in Himachal Pradesh.” Think and write the causes of the
landslide and what mitigation mechanism can be applied to manage them.

Answer 1

Answer:

A massive landslide hit Pangi village situated in Himachal Pradesh.” Think and write the causes of the

landslide and what mitigation mechanism can be applied to manage them.

Explanation:

Answer 2

Answer:

Cause of the landslide:-

The landslide in Pangi village was triggered by the intense blasting at the village. Due to the blasting the weak zone of the slope was collapsed and caused the intense damage to the roads and nearby villages.

Explanation:

The mass movement of rock, earth moves down a slope is called a Landslide. It often happens in coexistence with earthquakes, volcanoes and floods. Meanwhile, a continuous rainfall can also bring a landslide.

Causes for Landslides:-

• Slope movement  takes place when down-slope forces gets exceeded.

• Landslides can be caused by rainfall, water level changes, earthquakes, groundwater changes, snowmelt, volcanic activity, interference by human activities causes slope movement.
• Human activities such as inadequate slope grading, poor drainage, and the disturbance of old landslides increases risk landslide.

Landslide Mitigation Techniques:-

• A retaining wall requires to be built on ground level and needs   to avoid back-filing with clay soil because it gets heavy with water instead of that use bricks, stones or blocks.
• By moderating or even removing people from landslides vulnerable areas.
• The use of lands where slopes are vulnerable should be restricted.
• Installation of early warning systems which should be based on the monitoring of ground conditions such as  slope displacement, strain in rocks and soils, and groundwater levels.

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