Update: Seismic activity on Sept. 2 – 5.3 magnitude earthquake close to South Sandwich Islands region registered

Published Sep 24, 2026

A 5.3 magnitude quake struck close to South Sandwich Islands region on Wednesday morning, according to the U.S. Geological Survey.

The tremor jolted at 10:54 UTC (08:54 local time), with its epicenter of South Sandwich Islands region and a depth of 99 km. Seismologists first reported it as a 5.2 event, but later upgraded it to 5.3.

Did you feel it?

If you experienced the earthquake, you can share your observations using the USGS Felt Report form.

Last week’s tremor

One more magnitude 5.0 tremor was detected nearby, with the event also close to South Sandwich Islands region on Aug. 30.

Source: The U.S. Geological Survey