Under which of the following Seismic Zones do the Andaman and Nicobar Islands fall?

Question

Question

This question was previously asked in

RRB NTPC CBT 2 (Level-5) Official Paper (Held On: 15 June 2022 Shift 2)

Answer 1

The correct answer is "Zone V".
Key Points

Zone- V comprises of entire northeastern India, the corridor of Jammu and Kashmir, Himachal Pradesh, Uttaranchal, Rann of Kutch in Gujarat, a corridor of North Bihar and Andaman & Nicobar Islands.
The Alpine- Himalayan seismic belt extending up to Andaman- Nicobar islet region, is known to be one of the seismically active belts of the world.
The A&N islands are in the most severe seismic zone, and the eastern seacoast of India is in the moderate-to-low seismic zone ͑ source BIS 2002.

Additional Information

A seismic zone is used to describe an area where earthquakes tend to concentrate; for illustration, the New Madrid Seismic Zone in the Central United States
A seismic hazard zone describes an area with a particular position of hazard due to earthquakes.
As per the seismic zoning chart of the country, the total area is classified into four seismic zones. Zone V is seismically the most active region, while zone II is the least.
Different Seismic Zones Of India
- Seismic Zone II - Zone II is classified as the low-damage threat zone.
- Seismic Zone III - Seismic Zone 3/ III is classified as the moderate-damage threat zone.
- Seismic Zone IV - Zone IV is considered the high-damage threat zone.
- Seismic Zone V - Zone V has the loftiest threat of damaging earthquakes.
Seismic zonation chart of India, published by Bureau of Indian norms( IS- 2002).