M6.7 earthquake - 225 km WNW of Attu Station, Alaska

What happened

A magnitude 6.7 earthquake struck 225 km WNW of Attu Station, Alaska on 19 Feb 1977, 22:34 UTC at a depth of 33 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.