Correct option is A
Tripura and North Bihar are very high-risk earthquake-prone areas, as they lie in Seismic Zone V, which is the most earthquake-prone zone in India. Seismic activity in these regions is primarily due to their proximity to tectonic plate boundaries and active fault lines.
Tripura lies near the Indo-Burmese plate boundary, making it vulnerable to major earthquakes.
North Bihar is part of the Himalayan seismic belt, where frequent earthquakes occur due to continental collision between the Indian and Eurasian plates.
Information Booster:
- Seismic Zone V (Very High Risk): Includes regions like Northeast India, parts of Bihar, Uttarakhand, Himachal Pradesh, and Jammu & Kashmir.
- Seismic Zone IV (High Risk): Covers areas like Delhi, Haryana, Gujarat, and parts of Maharashtra.
- Seismic Zone III (Moderate Risk): Includes southern and central India.
- Major earthquakes in North Bihar include the 1934 Bihar-Nepal Earthquake (Magnitude 8.0).
- Tripura has recorded several earthquakes due to subduction activity near the Indo-Burmese arc.
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