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6.6
EarthquakeMajorPAGER: green

M6.6 earthquake - South Sandwich Islands region

1882 d ago · 22 Aug 2021, 00:45 UTC South Sandwich Islands region

A tsunami flag was raised for this event. This does not mean a tsunami occurred. Always follow official tsunami warning centres and local authorities.

What happened

A magnitude 6.6 earthquake struck South Sandwich Islands region on 22 Aug 2021, 00:45 UTC at a depth of 7 km.

Earthquakes of this size are classed as Strong. Can cause damage in populated areas up to tens of kilometres away. This was a shallow earthquake, which tends to be felt more strongly at the surface.

Timeline

  1. First reported by USGS

    16 Oct 2026, 20:46 UTC

Community

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