Landslides Flashcards
5 Natural causes of landslides
Heavy rainfall
Earthquakes and Seismicity
Low vegetation cover
Lithography and rock structure: Himalayas vs Western Ghats
Steep Slopes
4 Anthropogenic causes of landslides
Deforestation
Unsustainable land use - Tourism, encroachments
Mining
Infrastructure development
Recent examples of landslides
Silkyara-Barkot tunnel collapse, Uttarakhand
Wayanad Landslides, Kerala
Land subsidence, Joshimath
Which tunnel was collapsed in Uttarakhand due to landslide
Silkyara Barkot tunnel
How much % rainfall increased due to climate change which resulted in landslide of Wayanad
10% heavier rainfall, due to climate change
Initiative by ISRO for landslide?
Landslide Atlas of India, National Remote Sensing Centre
Landslide ___ of India, by National Remote Sensing Centre of ?
Landslide Atlas of India, by ISRO
Mapping programme by GSI
National Landslide Susceptibility Mapping Programme
National Landslide Susceptibility Mapping Programme launched by?
Geological Survey of India
Preparedness using MGNREGA in hilly areas
MGNREGA provisions for structural mitigation of landslides in hilly areas
What are 4 NDMA guidelines as way forward?
Fast growing trees to be grown
No construction on slopes > 30 deg or areas falling on SPRING LINES
Perform Load bearing testing
Slope and Land Use maps in urban planning
NDMA guideline: No construction in areas having slopes > __ or on ___?
No construction on slopes > 30 deg or areas falling on SPRING LINES
What happened in Joshimath
Land Subsidence
