M6.5 earthquake - 66 km S of Attu Station, Alaska

What happened

A magnitude 6.5 earthquake struck 66 km S of Attu Station, Alaska on 22 Jul 1923, 14:18 UTC at a depth of 25 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.