Open Earth
4.3
EarthquakeStrong

M4.3 earthquake - 248 km SE of Chiniak, Alaska

3159 d ago · 22 Feb 2018, 21:36 UTC 248 km SE of Chiniak, 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 4.3 earthquake struck 248 km SE of Chiniak, Alaska on 22 Feb 2018, 21:36 UTC at a depth of 18 km.

Earthquakes of this size are classed as Light. Widely felt nearby; objects may shake or fall. Significant damage is unusual. This was a shallow earthquake, which tends to be felt more strongly at the surface.

Timeline

  1. First reported by USGS

    17 Oct 2026, 08:55 UTC

Community Live

Did you feel it?

Nearby in the last 30 days