Update: 6.4 magnitude earthquake slams close to South Sandwich Islands region on July 11

Published Jul 25, 2026

A 6.4 magnitude quake struck near South Sandwich Islands region on Saturday morning, according to the U.S. Geological Survey.

The USGS reported a tremor in the region at 10:26 UTC (08:26 local time). The epicenter was of South Sandwich Islands region, at a depth of 26 km.

Did you feel it?

If you felt the earthquake, you can share your observations using 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.

Source: The U.S. Geological Survey