Indonesia earthquakes

M6.4 earthquake 131 km WNW of Tobelo, Indonesia

A magnitude 6.4 earthquake struck 131 km WNW of Tobelo, Indonesia on Mon, Aug 18, 1986, 12:27 AM GMT+9 (15:27 UTC), 31 km (19 mi) below the surface.

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The earthquake

Magnitude: 6.4 (mw), strong
Local time: Mon, Aug 18, 1986, 12:27 AM GMT+9
UTC: 1986-08-17 15:27:41 UTC
Depth: 30.7 km (19.1 mi), shallow
Epicenter: 2.276° N, 126.959° 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 3.4 and up: 41 in the 60 days after this one and 36 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0002x8a (also filed as gcmtb081786a, gcmt19860817152741, iscgem488816). Read Mon, Sep 28, 2026, 7:15 PM UTC.