Indonesia earthquakes

M6.3 earthquake 161 km NW of Ternate, Indonesia

A magnitude 6.3 earthquake struck 161 km NW of Ternate, Indonesia on Fri, Aug 15, 1986, 3:40 PM GMT+8 (07:40 UTC), 33 km (21 mi) below the surface.

A larger quake followed: M6.4 152 km NW of Ternate, Indonesia. This one was a foreshock.

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The earthquake

Magnitude: 6.3 (mw), strong
Local time: Fri, Aug 15, 1986, 3:40 PM GMT+8
UTC: 1986-08-15 07:40:44 UTC
Depth: 33.0 km (20.5 mi), shallow
Epicenter: 1.929° N, 126.482° 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 2.5 and up: 51 in the 60 days after this one and 20 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0002x61 (also filed as gcmtb081586a, gcmt19860815074044, iscgem488657). Read Tue, Sep 22, 2026, 11:32 PM UTC.