EarthquakeStrong

M5.1 earthquake - South Sandwich Islands region

Name: M5.1 earthquake - South Sandwich Islands region
Start: 2021-08-20T03:41:22.351+00:00
Location: South Sandwich Islands region

1883 d ago · 20 Aug 2021, 03:41 UTC South Sandwich Islands region

What happened

A magnitude 5.1 earthquake struck South Sandwich Islands region on 20 Aug 2021, 03:41 UTC at a depth of 78 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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