M7.2 earthquake - Azores-Cape St. Vincent Ridge

What happened

A magnitude 7.2 earthquake struck Azores-Cape St. Vincent Ridge on 20 May 1931, 02:22 UTC at a depth of 10 km.

Earthquakes of this size are classed as Major. Can cause serious damage over large areas. This was a shallow earthquake, which tends to be felt more strongly at the surface.