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What percentage of India's land is vulnerable to earthquakes?

What percentage of India's land is vulnerable to earthquakes? Correct Answer ∼ 57%

An earthquake is the shaking of the Earth's surface caused by a sudden release of energy in the lithosphere which causes seismic waves.

Key Points

  •  According to the seismic zoning map of the country, India is divided into four seismic zones.
  • The four seismic zones in the area are Zone-V (Very High Risk), Zone-IV (High Risk), Zone-III (Moderate Risk), and Zone-II (Low Risk). 
  • Earthquakes of various intensities strike 57 % of India's landmass.
  •  The entire Himalayan belt is thought to be vulnerable to large earthquakes with a magnitude greater than 8.0 on the Richter scale.
  • According to government data, the majority of earthquakes occurred in the Himalayan arc region, IndoMyanmar region, and Andaman-Nicobar region.

​Therefore, India's land is vulnerable to earthquakes is 57%. 

Additional Information

  • ​The circum-Pacific seismic belt, the world's largest earthquake belt, runs along the Pacific Ocean's rim. ​
  • According to the Geological Survey of India (GSI), India's largest flood-prone zones cover over 12.5 per cent of the country.​

Confusion Points

  • The government told the Lok Sabha that seismic monitoring suggests that 59 per cent of India is vulnerable to earthquakes​

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