Landsliding

1. Dr. C. P. Dorlikar
DEPARTMENT OF GEOLOGY
M.G. COLLEGE ARMORI
LANDSLIDES

2. Contents:-
• Landslide
• Types of landslide
• Flowage
• Sliding
• Subsidence
• Causes of landslide
• Indication of landslide
• Landslide hazard zones of India
• India's major landslides

3. Landslide :- The movement of material downhill under
the influence of gravity.

4. Flowage
Sliding
Subsidence
Types of Landslide

5. 1. Flowage
Flowage is a downgrade movement of mass along no
definite surface.

6. 2. Sliding :-
Sliding is a mass fail by moving as a whole along a
definite surface of feature.

7. Types of sliding
Transitional Rotational Rock toppling

8. 3. Subsidence
It is defined as sinking or setting of the ground in almost
vertically downward direction.

9. Other types :-
Soil creep
Slumping
Debris flow
Rockfall

10. Causes of landslide
Gravity Rainfall Earthquakes

11. Water level Human activity Geology
Causes of landslide

12. Indicators of landslide
Solifluction lobes Bending trees Soil creep

13. Leaning tower
of Pisa

14. Mitigation strategies
Safety wall Increase shear strength Prevent saturation
Afforestation Safety nets

15. Landslide hazard zones in India

16. India's major landslides
Malin (Pune) Date :- 30 July 2016 Total death -151. Missing – 100 peoples

17. Uttarakhand Date :- 16 June 2013 Total deaths- 5,748

18. “A kind gesture can reach a wound that only compassion can heal.”
Thank you
for
your kind attention