M6.4 earthquake near Tarutung, North Sumatra

What happened

A magnitude 6.4 earthquake struck 45 km S of Tomok Bolon, Indonesia on 25 Apr 1987, 19:22 UTC at a depth of 11 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 Tarutung, about 28 km away in North Sumatra, Indonesia.