M6.3 earthquake - 99 km SW of Atka, Alaska

What happened

A magnitude 6.3 earthquake struck 99 km SW of Atka, Alaska on 6 Nov 1973, 18:26 UTC at a depth of 41 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.