ThinkRankNatural Hazards and Disasters
India is prone to various natural hazards due to its geography. This chapter investigates the causes and mitigation strategies for Earthquakes, Floods, Droughts, and Cyclones.
Learning Objectives
- •Map India's vulnerability to different natural hazards
- •Explain the causes of and early warning systems for natural disasters
- •Contrast different types of droughts (Meteorological vs Hydrological)
- •Discuss the human impact and economic costs of disasters
Key Concepts
Earthquake Zones
India is divided into 4 seismic zones (II to V), with V (Himalayas/NE) being the most high-risk.
Flood Management
Combines structural measures (embankments/dams) with non-structural ones (zoning and early warning).
Terminology
Historical Insight
The Odisha Cyclone (1999)
A super cyclone that triggered massive storm surges, underlining the need for better coastal preparedness.
Quick Check
How many seismic zones is India divided into?
What is a 'Cloudburst'?
How to use this lesson
Read the overview first, then explain the main idea in your own words before checking the key concepts. Use the quick-check questions without looking at the answer. For examination preparation, verify dates, definitions, and syllabus requirements against your official textbook and school or examination-board guidance.
Test Your Knowledge
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