M5.5 earthquake - Chagos Archipelago region

What happened

A magnitude 5.5 earthquake struck Chagos Archipelago region on 22 Jul 2025, 05:04 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.