EarthquakeStrongPAGER: green

M5.7 earthquake - South Sandwich Islands region

Name: M5.7 earthquake - South Sandwich Islands region
Start: 2023-08-20T19:59:48.838+00:00
Location: South Sandwich Islands region

1153 d ago · 20 Aug 2023, 19:59 UTC South Sandwich Islands region

What happened

A magnitude 5.7 earthquake struck South Sandwich Islands region on 20 Aug 2023, 19:59 UTC at a depth of 79 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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