Open Earth
6.5
EarthquakeMajor

M6.5 earthquake - 200 km WSW of Adak, Alaska

18864 d ago · 22 Feb 1975, 08:36 UTC 200 km WSW of Adak, Alaska

What happened

A magnitude 6.5 earthquake struck 200 km WSW of Adak, Alaska on 22 Feb 1975, 08:36 UTC at a depth of 48 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

Did you feel it?

Nearby in the last 30 days