Explain the correlation between Himalayas and mass movements. Give examples wherever necessary.

1. Mass movements occur in hilly, mountainous or plateau areas. The steeper the slope more the occurrences of mass movement. 

2. The Himalayas have greatest relief, high potential energy, high seismic activity, steep slopes, strong weathering, great snow fall etc.

3. Due to slope, gradient, massive rockslides, debris flow takes place. 

4. Steep gradient of precipitation and temperature produce mass movement that loads glacier surface and chokes, rivers with sediments. 

5. For example, in Kosi river basin of Himalayas of central Nepal, because of deep weathering, high seismic activity, river undercutting, deforestation and heavy precipitation, especially during the summer months, mass movements are most frequent in highly jointed, sheared, intensely folded and fault rocks. 

6. Thus, in short, in the Himalayan region, due to steep slope, melting of glaciers, precipitation, seismic activity, mass movement takes place on a larger scale.