M5.0 earthquake 156 km WNW of Luwuk, Indonesia

A magnitude 5.0 earthquake struck 156 km WNW of Luwuk, Indonesia on Mon, Jul 25, 1983, 1:39 PM GMT+8 (05:39 UTC), 46 km (29 mi) below the surface.

A larger quake followed: M5.2 153 km NW of Luwuk, Indonesia. This one was a foreshock.

Map

Where this earthquake was located, with the others nearby. Select one for its page.

No one has reported feeling this quake to the USGS.

Reviewed by a seismologist.

Distance and direction from each place to the epicenter, with its forecast.

Within 100 km, magnitude 2.0 and up: 25 in the 60 days after this one and 98 in the 30 days before it.

From the USGS Earthquake Hazards Program and its partner networks, event usp0001x3d. Read Tue, Sep 22, 2026, 10:30 PM UTC.