EarthquakeModerate

M4.5 earthquake - South Sandwich Islands region

Name: M4.5 earthquake - South Sandwich Islands region
Start: 2021-09-04T01:57:32.736+00:00
Location: South Sandwich Islands region

1870 d ago · 4 Sept 2021, 01:57 UTC South Sandwich Islands region

What happened

A magnitude 4.5 earthquake struck South Sandwich Islands region on 4 Sept 2021, 01:57 UTC at a depth of 10 km.

Earthquakes of this size are classed as Light. Widely felt nearby; objects may shake or fall. Significant damage is unusual. This was a shallow earthquake, which tends to be felt more strongly at the surface.

Timeline

First reported by USGS
17 Oct 2026, 10:21 UTC

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