M6.6 earthquake near Along, Arunachal Pradesh

What happened

A magnitude 6.6 earthquake struck 53 km N of Ziro, India on 21 Oct 1964, 23:09 UTC at a depth of 25 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 Along, about 97 km away in Arunachal Pradesh, India.