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M5.5 earthquake - 92 km S of Nikolski, Alaska

Name: M5.5 earthquake - 92 km S of Nikolski, Alaska
Start: 2026-03-05T19:25:07.317+00:00
Location: 92 km S of Nikolski, Alaska

225 d ago · 5 Mar 2026, 19:25 UTC 92 km S of Nikolski, 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 92 km S of Nikolski, Alaska on 5 Mar 2026, 19:25 UTC at a depth of 17 km.

Earthquakes of this size are classed as Moderate. Can damage poorly built structures close to the epicentre. This was a shallow earthquake, which tends to be felt more strongly at the surface.

Timeline

First reported by USGS
16 Oct 2026, 20:47 UTC

Community

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