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M5.4 earthquake - South Sandwich Islands region

Name: M5.4 earthquake - South Sandwich Islands region
Start: 2021-09-20T19:07:45.944+00:00
Location: South Sandwich Islands region

1852 d ago · 20 Sept 2021, 19:07 UTC South Sandwich Islands region

What happened

A magnitude 5.4 earthquake struck South Sandwich Islands region on 20 Sept 2021, 19:07 UTC at a depth of 35 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.

Timeline

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

Community

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