EarthquakeStrongPAGER: green

M5.3 earthquake - South Sandwich Islands region

Name: M5.3 earthquake - South Sandwich Islands region
Start: 2026-08-21T13:06:40.407+00:00
Location: South Sandwich Islands region

56 d ago · 21 Aug 2026, 13:06 UTC South Sandwich Islands region

What happened

A magnitude 5.3 earthquake struck South Sandwich Islands region on 21 Aug 2026, 13:06 UTC at a depth of 156 km.

Earthquakes of this size are classed as Moderate. Can damage poorly built structures close to the epicentre. This was an intermediate-depth earthquake, so shaking is spread over a wider, gentler area.

Timeline

First reported by USGS
16 Oct 2026, 20:47 UTC

Community

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