M8.0 earthquake - The 1949 Haida Gwaii, Canada Earthquake

What happened

A magnitude 8 earthquake struck The 1949 Haida Gwaii, Canada Earthquake on 22 Aug 1949, 04:01 UTC at a depth of 10 km.

Earthquakes of this size are classed as Great. Can cause severe damage across hundreds of kilometres and may trigger tsunamis. This was a shallow earthquake, which tends to be felt more strongly at the surface.