M7.7 earthquake near Korsakov, Sakhalin Oblast

What happened

A magnitude 7.7 earthquake struck 100 km SSE of Korsakov, Russia on 28 Feb 1950, 10:21 UTC at a depth of 329 km.

Earthquakes of this size are classed as Major. Can cause serious damage over large areas. This was a deep earthquake; shaking at the surface is usually weak for its size.

The nearest town in our records is Korsakov, about 100 km away in Sakhalin Oblast, Russia.