M8.2 earthquake - 2021 Chignik, Alaska Earthquake
1905 d ago · 29 Jul 2021, 06:15 UTC 2021 Chignik, Alaska Earthquake
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 8.2 earthquake struck 2021 Chignik, Alaska Earthquake on 29 Jul 2021, 06:15 UTC at a depth of 35 km.
Earthquakes of this size are classed as Great. Can cause severe damage across hundreds of kilometres and may trigger tsunamis. This was a shallow earthquake, which tends to be felt more strongly at the surface.
Timeline
First reported by USGS
16 Oct 2026, 20:46 UTC
Community
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