T3 GEOGRAPHY CH3 Natural Hazards – Understanding of Disaster Management in Practice — Social Science STD 7 — Question
Tamilnadu BoardEnglish MediumSTD 7Social ScienceT3 GEOGRAPHY CH3 Natural Hazards – Understanding of Disaster Management in Practice4 Marks
Question
Write about earthquake, its effects, and mitigation steps
✓
Answer
Earthquake: A sudden movement (or) trembling of the earth's crust is called as earthquake. The movement of the tectonic plates, mass wasting, landslides, surface fault, etc., causes earthquakes
Effects: Due to a strong earthquake, loss of lives, buildings, roads, bridges and dams are damaged. Earthquakes cause floods, tsunamis, landslides, fires, breakdown of water supply and electrical lines. It may change the course of a river too.
Mitigation steps:
Construct Earthquake resistant building.
Seek shelter under stable tables.
Move to open areas.
Secure your belonging.
Put latches on cabinet doors and file cabinets.
Store hazardous materials in a sturdy place.
Keep fire extinguishers.
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