# M5.1 Earthquake Strikes the South Sandwich Islands

**South Sandwich Islands —** A magnitude 5.1 earthquake shook the remote South Sandwich Islands region in the South Atlantic on Monday, striking deep under the ocean floor.

## What happened:

The quake hit at 12:45 PM Central time at a depth of about 101 kilometers. The U.S. Geological Survey has reviewed the event. No tsunami alert has been issued.

## Impacts:

The South Sandwich Islands are uninhabited volcanic islands, so there is no population at risk. No damage has been reported.

## What to do:

- Quakes in this region can trigger aftershocks — vessels in the area should stay alert to official advisories.

- This serves as a reminder that the planet's seismic zones stay active around the clock.

*Source: U.S. Geological Survey (USGS), October 19, 2026.*