Indonesia earthquakes

M5.6 earthquake 99 km ENE of Tobelo, Indonesia

A magnitude 5.6 earthquake struck 99 km ENE of Tobelo, Indonesia on Mon, Mar 11, 1985, 2:11 PM GMT+9 (05:11 UTC), 54 km (34 mi) below the surface.

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Map

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

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The earthquake

Magnitude: 5.6 (mw), moderate
Local time: Mon, Mar 11, 1985, 2:11 PM GMT+9
UTC: 1985-03-11 05:11:06 UTC
Depth: 54.0 km (33.6 mi), shallow
Epicenter: 2.005° N, 128.861° E
Region: Indonesia
Strongest shaking: IV, light 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: IV, light shaking
Peak ground acceleration: 3.2% of gravity
Peak ground velocity: 0.5 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.

Nearest places

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

Nearby

Within 100 km, magnitude 2.5 and up: 3 in the 60 days after this one and 6 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0002cqn (also filed as gcmtb031185b, gcmt19850311051104, iscgem529782). Read Tue, Sep 22, 2026, 10:00 AM UTC.