M6.4 earthquake - 229 km WNW of Ozernovskiy, Russia

What happened

A magnitude 6.4 earthquake struck 229 km WNW of Ozernovskiy, Russia on 18 Mar 1964, 04:37 UTC at a depth of 428 km.

Earthquakes of this size are classed as Strong. Can cause damage in populated areas up to tens of kilometres away. This was a deep earthquake; shaking at the surface is usually weak for its size.