M6.3 earthquake - 253 km E of Port Blair, India

What happened

A magnitude 6.3 earthquake struck 253 km E of Port Blair, India on 28 Mar 1971, 08:23 UTC at a depth of 16 km.

Earthquakes of this size are classed as Strong. Can cause damage in populated areas up to tens of kilometres away. This was a shallow earthquake, which tends to be felt more strongly at the surface.

The nearest town in our records is Rangat, about 243 km away in Andaman and Nicobar, India.