Indonesia earthquakes

M6.6 earthquake 62 km SE of Tobelo, Indonesia

A magnitude 6.6 earthquake struck 62 km SE of Tobelo, Indonesia on Mon, Nov 7, 1983, 5:42 PM GMT+9 (08:42 UTC), 59 km (37 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: 6.6 (mw), strong
Local time: Mon, Nov 7, 1983, 5:42 PM GMT+9
UTC: 1983-11-07 08:42:29 UTC
Depth: 59.4 km (36.9 mi), shallow
Epicenter: 1.270° N, 128.335° 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: 15.0% of gravity
Peak ground velocity: 2.5 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.

How well it is located

Reviewed by a seismologist.

Depth from: CONSTRAINED_BY_DEPTH_PHASES

Nearest places

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

Nearby

Within 100 km, magnitude 2.5 and up: 22 in the 60 days after this one and 1 in the 30 days before it.

After

Before

6.139 km SSE of Tobelo, IndonesiaMon, Nov 7, 5:39 PM GMT+9 · 15661 days ago · 31 km deep · 25 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0001zmc (also filed as atlas19831107084228, iscgem564466). Read Tue, Sep 22, 2026, 8:47 PM UTC.