M6.8 earthquake near Nanjō, Okinawa

What happened

A magnitude 6.8 earthquake struck 148 km SE of Katsuren-haebaru, Japan on 12 Aug 1923, 10:06 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 Nanjō, about 146 km away in Okinawa, Japan.