M6.8 earthquake - 100 km SW of Atka, Alaska

What happened

A magnitude 6.8 earthquake struck 100 km SW of Atka, Alaska on 13 Jun 1957, 10:40 UTC at a depth of 19 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.