M6.5 earthquake - 172 km ENE of Bontang, Indonesia

What happened

A magnitude 6.5 earthquake struck 172 km ENE of Bontang, Indonesia on 14 May 1921, 11:17 UTC at a depth of 35 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 Bontang, about 173 km away in East Kalimantan, Indonesia.