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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