EarthquakeModerate

M4.2 earthquake - South Sandwich Islands region

Name: M4.2 earthquake - South Sandwich Islands region
Start: 2021-08-28T12:36:48.29+00:00
Location: South Sandwich Islands region

1876 d ago · 28 Aug 2021, 12:36 UTC South Sandwich Islands region

What happened

A magnitude 4.2 earthquake struck South Sandwich Islands region on 28 Aug 2021, 12:36 UTC at a depth of 49 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

Community Live

Did you feel it?

Nearby in the last 30 days

4.5
M4.5 earthquake - South Sandwich Islands region
5 d ago140 km deep
Moderate
4.9
M4.9 earthquake - South Sandwich Islands region
14 d ago10 km deep
Moderate
4.8
M4.8 earthquake - South Sandwich Islands region
18 d ago114 km deep
Moderate
4.8
M4.8 earthquake - South Sandwich Islands region
18 d ago35 km deep
Moderate
4.8
M4.8 earthquake - South Sandwich Islands region
19 d ago35 km deep
Moderate
4.8
M4.8 earthquake - South Sandwich Islands region
19 d ago93 km deep
Moderate
4.9
M4.9 earthquake - South Sandwich Islands region
20 d ago35 km deep
Moderate
5.2
M5.2 earthquake - South Sandwich Islands region
20 d ago35 km deep
Strong
5.0
M5.0 earthquake - South Sandwich Islands region
20 d ago118 km deep
Strong
4.5
M4.5 earthquake - South Sandwich Islands region
24 d ago155 km deep
Moderate