M6.3 earthquake - 204 km SSE of Adak, Alaska

What happened

A magnitude 6.3 earthquake struck 204 km SSE of Adak, Alaska on 22 Feb 1958, 10:50 UTC at a depth of 15 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.