M6.9 earthquake near Pematangsiantar, North Sumatra

What happened

A magnitude 6.9 earthquake struck 9 km WNW of Pematangsiantar, Indonesia on 15 Aug 2026, 10:54 UTC at a depth of 175 km.

Earthquakes of this size are classed as Strong. Can cause damage in populated areas up to tens of kilometres away. This was an intermediate-depth earthquake, so shaking is spread over a wider, gentler area.

The nearest town in our records is Pematangsiantar, about 10 km away in North Sumatra, Indonesia.