M7.8 earthquake - 217 km ESE of Kuril’sk, Russia

What happened

A magnitude 7.8 earthquake struck 217 km ESE of Kuril’sk, Russia on 20 Oct 1963, 00:53 UTC at a depth of 28 km.

Earthquakes of this size are classed as Major. Can cause serious damage over large areas. This was a shallow earthquake, which tends to be felt more strongly at the surface.