USGS
Magnitude 6.4 earthquake — South Sandwich Islands region
A magnitude 6.4 earthquake occurred near South Sandwich Islands region on 2026-07-11 10:26 UTC at a depth of about 26 km, according to the U.S. Geological Survey.
Updated 2026-07-22 15:18 UTC
- Magnitude: M 6.4
- Location: South Sandwich Islands region
- Time (UTC): 2026-07-11 10:26 UTC
- Depth: 26 km
- Coordinates: -55.54, -28.85
- PAGER alert: GREEN
- Tsunami: No tsunami warning flagged
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Frequently asked questions
How strong was the South Sandwich Islands region earthquake?
It measured magnitude 6.4 on the USGS scale. Shaking felt locally also depends on depth and distance.
Was there a tsunami?
No tsunami warning was flagged by USGS. Always follow official local guidance.
How can I get alerts for future earthquakes here?
Install the free SeismoWatch Android app, draw a box over the area, set a minimum magnitude, and turn alerts on.