M5.5 earthquake - 28 km SE of Cantwell, Alaska
2017 d ago · 8 Apr 2021, 17:10 UTC 28 km SE of Cantwell, Alaska
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 5.5 earthquake struck 28 km SE of Cantwell, Alaska on 8 Apr 2021, 17:10 UTC at a depth of 80 km.
Earthquakes of this size are classed as Moderate. Can damage poorly built structures close to the epicentre. This was an intermediate-depth earthquake, so shaking is spread over a wider, gentler area.
The nearest town in our records is Badger, about 185 km away in Alaska, United States.
Timeline
First reported by USGS
16 Oct 2026, 20:47 UTC
Community
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