M5.1 earthquake - east of the South Sandwich Islands

What happened

A magnitude 5.1 earthquake struck east of the South Sandwich Islands on 20 Jun 2025, 10:21 UTC at a depth of 10 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.