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M7.5

South Sandwich Islands region

South Sandwich Islands region

Major 🌊 Tsunami
Magnitude
7.5
Depth
0.0 km
Time
2021-08-12 18:32 UTC
Location
-57.5674°, -25.0316°
Tsunami
Yes
USGS ID
us6000f4ly

FAQ About This Earthquake

How strong was it?
M7.5 earthquake (classified as major). This magnitude can cause widespread damage.
Where was it?
The epicenter was at South Sandwich Islands region, at a depth of 0 km.
When did it happen?
2021-08-12 18:32 UTC.
Is this area earthquake-prone?
This region is located in a seismically active tectonic zone where plate interactions cause regular earthquake activity.
What should I do during an earthquake?
Drop, Cover, and Hold On. Drop to hands and knees, cover your head under sturdy furniture, and hold on until shaking stops.

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A M7.5 earthquake struck South Sandwich Islands region at a depth of 10 km. This recent seismic event was recorded and analyzed by the US Geological Survey. This earthquake occurred in a subduction zone, where one plate descends beneath another into the mantle. Subduction zones generate the planet's most powerful earthquakes.

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