Update: Seismic activity on Dec. 12 – 5.1 magnitude earthquake near South Sandwich Islands region detected

Published Dec 12, 2025

According to the U.S. Geological Survey, a 5.1 magnitude quake occurred close to South Sandwich Islands region on Friday around midday.

The tremor shook at 13:55 UTC (11:55 local time), with its epicenter located of South Sandwich Islands region and a depth of 52 km. The magnitude was originally reported as 5.2 but later downgraded to 5.1.

Did you feel it?

If you noticed the earthquake, you can share your experience using the USGS Felt Report form.

Source: The U.S. Geological Survey