2021 South Atlantic Earthquake
South Sandwich Islands — August 12, 2021
The 2021 South Sandwich Islands earthquake is among the largest recorded in the South Atlantic. The remote location minimized human impact, but the earthquake generated a detectable tsunami across the South Atlantic and Indian Ocean basins.
Earthquake Facts
Magnitude
M8.1
Date
Aug 12, 2021
Depth
22.79 km
Latitude
-58.375°
Longitude
-25.264°
Tsunami
Yes
Region
South Atlantic
Tectonic Cause
Subduction-related earthquake along the South Sandwich Trench where the South American Plate subducts beneath the Sandwich Plate.
Aftermath in Pictures
Photos from Wikimedia Commons — open licenses (CC / Public Domain)
Images sourced from Wikimedia Commons under open licenses. Attribution required where specified. Click any image to enlarge.
Related Earthquakes in South Atlantic
Sources & Further Reading
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