M6.6 earthquake - 290 km E of Kuril’sk, Russia

What happened

A magnitude 6.6 earthquake struck 290 km E of Kuril’sk, Russia on 13 Dec 1991, 02:33 UTC at a depth of 30 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.