M5.1 earthquake - 83 km ESE of Shikotan, Russia

What happened

A magnitude 5.1 earthquake struck 83 km ESE of Shikotan, Russia on 21 Dec 2025, 02:05 UTC at a depth of 35 km.

Earthquakes of this size are classed as Moderate. Can damage poorly built structures close to the epicentre. This was a shallow earthquake, which tends to be felt more strongly at the surface.

The nearest town in our records is Nemuro, about 176 km away in Hokkaido, Japan.