Update: Earthquake strikes region close to South Sandwich Islands region on Nov. 12 – 5.4 magnitude detected

Published Nov 12, 2026

A 5.4 magnitude quake occurred near South Sandwich Islands region on Thursday morning, the U.S. Geological Survey reported.

The tremor jolted at 03:45 UTC (01:45 local time), with its epicenter of South Sandwich Islands region and a depth of 122 km.

Did you feel it?

If you experienced the earthquake, you can report it via the USGS Felt Report form.

Impact and estimated losses

The USGS categorized this as a Green Alert, which means there is a low likelihood of casualties and damage.

Structure information summary

Overall, the population in this region resides in structures that are a mix of vulnerable and earthquake resistant construction. The predominant vulnerable building types are adobe block with concrete bond beam and unreinforced brick with concrete floor construction.

Past week’s quake

On Nov. 7, another magnitude 4.6 tremor was recorded in the area, also close to South Sandwich Islands region.

Source: The U.S. Geological Survey