M6.0 earthquake - Bonin Islands, Japan region

What happened

A magnitude 6 earthquake struck Bonin Islands, Japan region on 21 May 1955, 03:30 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.