M7.7 earthquake - 156 km ENE of Poronaysk, Russia

What happened

A magnitude 7.7 earthquake struck 156 km ENE of Poronaysk, Russia on 14 Aug 2012, 02:59 UTC at a depth of 583 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 157 km away in Sakhalin Oblast, Russia.