earthquake Arunachal

Itanagar, Oct 31: The National Center for Seismology on Monday said that an earthquake of magnitude 4.3 occurred at around 6:16 am, 139km South of Changlang, Arunachal Pradesh.

The National Center for Seismology further notified the earthquake jolted South of Changlang region at 139 km in Arunachal Pradesh. The NCS tweeted, “Earthquake of Magnitude:4.3, Occurred on 31-10-2022, 06:16:00 IST, Lat: 26.50 & Long: 96.43, Depth: 10 Km, Location: 139km S of Changlang, Arunachal Pradesh.”

A week ago, The north-eastern state of Manipur registered minor seismic activity. An earthquake of magnitude 4.4 occurred at around 9:30 pm. National Center for Seismology reported that the depth of the earthquake was 10 km below the ground.

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The epicentre earthquake of the earthquake was recorded 75km east-southeast of Moirang in Manipur.

Manipur lies in the “very high risk” zone (Zone V) according to the seismic zone map of India. This suggests that the region is at very high risk in terms of vulnerability to earthquakes.

The state lies on the eastward extension of the Himalayan mountain range which also coincides with the tectonic margin between the Indian and Eurasian plates. Occasional tremors in the area are common given the geological structure and geographical location.

The Himalayan mountain range owes its origin to tectonic plate movements thus it is prone to earthquakes. The Eurasian and the Indian plates collided to form the highest mountain range in the world.