M7.5 earthquake - Sea of Okhotsk

What happened

A magnitude 7.5 earthquake struck Sea of Okhotsk on 31 Jan 1900, 19:22 UTC at a depth of 450 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 Poronaysk, about 254 km away in Sakhalin Oblast, Russia.