Describe the various causes and the effects of landslides. Mention the important components of the National Landslide Risk Management Strategy.
Landslides are a common geo-hazard involving the downward movement of rock, debris, or soil along slopes. They result from a combination of natural and human-induced factors, often leading to devastating impacts.
Causes of Landslides:
Natural Causes:
- Intense Rainfall saturates soil, increasing its weight and reducing stability.
- Seismic Activity such as earthquakes can trigger slope failure.
- Geological Factors like weak or weathered rock, steep slopes, and fault lines make regions inherently vulnerable.
- Volcanic Eruptions can produce fast-moving mud and debris flows.
Anthropogenic Causes:
- Deforestation removes vegetation that binds soil, increasing erosion.
- Improper Construction on or near slopes destabilizes terrain.
- Mining and Quarrying weaken slopes through excavation and accumulation of loose debris.
Effects of Landslides:
- Loss of Life and Property through burial and destruction of homes, infrastructure, and farmland.
- Infrastructure Damage disrupts transport and communication networks.
- River Blockage by debris can form unstable dams, causing downstream flooding upon failure.
National Landslide Risk Management Strategy:
- Hazard Mapping and Zonation to identify risk-prone areas and guide planning.
- Monitoring and Early Warning Systems using surveys, satellites, and rainfall data.
- Awareness and Capacity Building to educate at-risk communities.
- Regulation and Enforcement of land-use norms and construction codes.
- Stabilization Measures like afforestation, retaining walls, and slope reinforcement.
Effective implementation of these strategies can significantly reduce the risk and impact of landslides in vulnerable regions.
Answered By:
Harsh Raj
Harsh Raj is a successful government exam expert, having cleared multiple stages of SSC CGL, IBPS PO, CDS, RRB NTPC, and Delhi Police SI exams himself and mentored more than 5000 students through direct mentorship. His expertise is in creating well researched content, especially MCQs, which have been directly asked by relevant commissions in multiple exams.
Similar Questions
Examine the pattern and trend of public expenditure on social services in the post-reforms period in India. To what extent this has been in consonance with achieving the objective of inclusive growth?
What are the causes of persistent high food inflation in India? Comment on the effectiveness of the monetary policy of the RBI to control this type of inflation.
Explain the role of millets for ensuring health and nutritional security in India.
What is the present world scenario of intellectual property rights with respect to life materials? Although, India is second in the world to file patents, still only a few have been commercialized. Explain the reasons behind this less commercialization.
What were the factors responsible for the successful implementation of land reforms in some parts of the country? Elaborate.
What is the technology being employed for electronic toll collection on highways? What are its advantages and limitations? What are the proposed changes that will make this process seamless? Would this transition carry any potential hazards?
Industrial pollution of river water is a significant environmental issue in India. Discuss the various mitigation measures to deal with this problem and also the government's initiatives in this regard.
Explain how narco-terrorism has emerged as a serious threat across the country. Suggest suitable measures to counter narco-terrorism.
What role do environmental NGOs and activists play in influencing Environmental Impact Assessment (EIA) outcomes for major projects in India? Cite four examples with all important details.
What is the need for expanding the regional air connectivity in India? In this context, discuss the government's UDAN Scheme and its achievements.
Important Questions from GS3
Examine the pattern and trend of public expenditure on social services in the post-reforms period in India. To what extent this has been in consonance with achieving the objective of inclusive growth?
What are the causes of persistent high food inflation in India? Comment on the effectiveness of the monetary policy of the RBI to control this type of inflation.
Explain the role of millets for ensuring health and nutritional security in India.
What is the present world scenario of intellectual property rights with respect to life materials? Although, India is second in the world to file patents, still only a few have been commercialized. Explain the reasons behind this less commercialization.
What were the factors responsible for the successful implementation of land reforms in some parts of the country? Elaborate.
