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Landslide Hazard

Protection of life and properties from landslide disaster is indispensable in creating a safe environment for the society. The national imperative towards safety due to landslide initiation is increasing in view of the higher rate of human settlement in the mountain slope across the country. Landslides are significant amongst those hazards that can easily be disastrous to human life and property. It is estimated that economic loss due to landslides may reach between 1-2% of the gross national product in many developing countries. Evaluating and mitigating the landslide hazard and risk is a major challenge for the technocrats and decision makers in the developing world as 80% of the reported fatalities due to landslide is within the developing countries.

In India, about 0.42 million sq. km or 12.6% of land area, excluding snow covered area, is prone to landslide hazard. Out of this, 0.18 million sq. km falls in North East Himalaya, including Darjeeling and Sikkim Himalaya; 0.14 million sq. km falls in North West Himalaya (Uttarakhand, Himachal Pradesh and Jammu & Kashmir); 0.09 million sq. km in Western Ghats and Konkan hills (Tamil Nadu, Kerala, Karnataka, Goa and Maharashtra) and 0.01 million sq. km in Eastern Ghats of Aruku area in Andhra Pradesh. The landslide-prone Himalayan terrain also belongs to the maximum earthquake-prone zones (Zone-IV and V; BIS 2002) where earthquakes of Modified Mercalli intensity VIII to IX can occur, and thus, are also prone to earthquake-triggered landslides. The most recent example is the aftermath of 18 September 2011 Sikkim Earthquake in the Sikkim-Darjeeling Himalayas.


  • Landslide Hazard

    Protection of life and properties from landslide disaster is indispensable in creating a safe environment for the society. The national imperative towards safety due to landslide initiation is increasing in view of the higher rate of human settlement in the mountain slope across the country. Landslides are significant...
  • Roles and Responsibilities


    GSI - the nodal agency for landslide studies

    National Core Group for Landslide Hazard Mitigation was set up with the approval of then Dy. Prime Minister vide O. M. No. 31/ 56/ 2003. NDM.III dt. 20 January 2004 with the following Terms of Reference...
  • Activities


    Technical Committees

    TAC constituted by Ministry of Mines
    On advice from the National Disaster Management Authority (NDMA), Union Government constituted a high- level Scientific and Technical Advisory...
  • Dos and Donts

    • Landslide Preparedness and Prevention
    • Areas that are generally prone to landslides
    • Areas generally safe from landslides
    • Landslide warning signs
    • Immediate steps for imminent Landslide
    • Actions to be taken before Intense Rainfall
  • Contact Persons

    • Nodal Office, Kolkata
    • Information & Management, New Delhi
    • North Eastern Region
    • Southern Region
    • Eastern Region
    • Northern Region
    • Central Region
  • Landslide Hazard Report

    Landslide Hazard Report
  • Landslide Hazard Incident Sheet

    Landslide Hazard Incident Sheet

  • NLSM

    Since FS 2014 - 15, GSI has launched and undertook a national programme on landslide susceptibility mapping - Macro scale (1:50,000) National Landslide Susceptibility Mapping (NLSM) with an aim to cover the 0.42 million sq. km landslide prone areas of the country. This national programme was formally launched by Shri Dinsha Patel, Hon’ble Minister of Mines, Government of India.
  • FAQ

    FAQ

    What is a landslide?
    • Landslide is a physical phenomenon when a part of rock, and/or debris/ soil fall due to the action of gravity.
    • It is caused by a set of terrain-specific geofactors (e.g., slope, lithology, rock structure, land use/ cover, geomorphology etc.).
  • Team and Publication

    For more information about Teams And Publications, please click the below link.





  • Projects

    Macro scale (1:50,000) landslide susceptibility mapping (LSM) under NLSM Programme
    • 37 items of Macro scale LSM under NLSM project in: Assam ( 83 B/8, 12, 16, 83C/5, 9, 10, 13, 14, 15), Meghalaya (78O/9, 10, 13, 83C/1, 4, 7, 8 ), Tripura (84A/9, 11, 13, 15, 83D/12, 16 )...
  • Photograph








  • Projects Metadata

    The excel sheet contains list of landslide projects funded by Government Agencies including GSI. The information is based on the data provided by the stakeholders in the prescribed format shown below (Annexure-I and Annexure-II).


  • Landslide Incidents

    Landslide hazard incidents.
Copyright 2017 © Geological Survey of India
Copyright 2017 © Geological Survey of India
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