M5.6 earthquake near Korsakov, Sakhalin Oblast

What happened

A magnitude 5.6 earthquake struck 94 km NE of Hamatonbetsu, Japan on 23 Jun 2023, 17:39 UTC at a depth of 314 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 Korsakov, about 95 km away in Sakhalin Oblast, Russia.