Indonesia earthquakes

M5.5 earthquake 104 km SE of Nabire, Indonesia

A magnitude 5.5 earthquake struck 104 km SE of Nabire, Indonesia on Sun, Sep 15, 1985, 11:08 AM GMT+9 (02:08 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M6.3 104 km SE of Nabire, Indonesia. This one was a foreshock.

Timika forecast More in Indonesia

Map

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

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The earthquake

Magnitude: 5.5 (mb), moderate
Local time: Sun, Sep 15, 1985, 11:08 AM GMT+9
UTC: 1985-09-15 02:08:51 UTC
Depth: 10.0 km (6.2 mi), shallow
Epicenter: 4.037° S, 136.160° E
Region: Indonesia
Strongest shaking: VI, strong shaking
Tsunami flag: No
Status: Reviewed by a seismologist

Shaking

The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.

Strongest estimated: VI, strong shaking
Peak ground acceleration: 25.2% of gravity
Peak ground velocity: 2.9 cm/s
Map: Automatic

USGS ShakeMap: estimated shaking intensity around the epicenter — Estimated shaking intensity. Map: USGS ShakeMap.

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.

Timika, IndonesiaPopulation 142,909. Forecast86 kmNW

Nearby

Within 100 km, magnitude 2.5 and up: 21 in the 60 days after this one and 1 in the 30 days before it.

After

Before

6.3115 km SE of Nabire, IndonesiaSun, Sep 15, 10:29 AM GMT+9 · 14982 days ago · 10 km deep · 11 km away

Earthquakes today Indonesia earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0002jse (also filed as iscgem515795). Read Tue, Sep 22, 2026, 8:23 AM UTC.