EarthquakeModerate

M4.6 earthquake - South Sandwich Islands region

Name: M4.6 earthquake - South Sandwich Islands region
Start: 2023-02-18T21:49:45.167+00:00
Location: South Sandwich Islands region

1337 d ago · 18 Feb 2023, 21:49 UTC South Sandwich Islands region

What happened

A magnitude 4.6 earthquake struck South Sandwich Islands region on 18 Feb 2023, 21:49 UTC at a depth of 32 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, 10:57 UTC

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