M6.6 earthquake near Hokuto, Hokkaido

What happened

A magnitude 6.6 earthquake struck 92 km WSW of Kamiiso, Japan on 3 Mar 1921, 03:02 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.

The nearest town in our records is Hokuto, about 91 km away in Hokkaido, Japan.