EarthquakeModerate

M4.9 earthquake - South Sandwich Islands region

Name: M4.9 earthquake - South Sandwich Islands region
Start: 2021-09-23T16:02:02.72+00:00
Location: South Sandwich Islands region

1850 d ago · 23 Sept 2021, 16:02 UTC South Sandwich Islands region

What happened

A magnitude 4.9 earthquake struck South Sandwich Islands region on 23 Sept 2021, 16:02 UTC at a depth of 45 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, 10:23 UTC

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