M6.0 earthquake - 175 km SSE of Attu Station, Alaska

What happened

A magnitude 6 earthquake struck 175 km SSE of Attu Station, Alaska on 19 Apr 1940, 00:06 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.