Indonesia earthquakes

M5.1 earthquake 99 km N of Rantepao, Indonesia

A magnitude 5.1 earthquake struck 99 km N of Rantepao, Indonesia on Sat, Mar 2, 1985, 2:40 AM GMT+8 (18:40 UTC), 33 km (21 mi) below the surface.

A larger quake followed: M5.4 96 km NE of Mamuju, Indonesia. This one was a foreshock.

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The earthquake

Magnitude: 5.1 (mb), moderate
Local time: Sat, Mar 2, 1985, 2:40 AM GMT+8
UTC: 1985-03-01 18:40:52 UTC
Depth: 33.0 km (20.5 mi), shallow
Epicenter: 2.079° S, 119.746° E
Region: Indonesia
Tsunami flag: No
Status: Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Depth from: OPERATOR_ASSIGNED

Nearest places

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

Nearby

Within 100 km, magnitude 2.1 and up: 18 in the 60 days after this one and 11 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0002cav (also filed as iscgem528904). Read Wed, Sep 23, 2026, 4:22 AM UTC.