M5.8 earthquake - 286 km E of Poronaysk, Russia

What happened

A magnitude 5.8 earthquake struck 286 km E of Poronaysk, Russia on 3 Sept 2021, 10:14 UTC at a depth of 585 km.

Earthquakes of this size are classed as Moderate. Can damage poorly built structures close to the epicentre. This was a deep earthquake; shaking at the surface is usually weak for its size.

The nearest town in our records is Poronaysk, about 287 km away in Sakhalin Oblast, Russia.