Indonesia earthquakes

M5.4 earthquake 138 km W of Ternate, Indonesia

A magnitude 5.4 earthquake struck 138 km W of Ternate, Indonesia on Mon, Feb 16, 1987, 5:38 PM GMT+8 (09:38 UTC), 37 km (23 mi) below the surface.

A larger quake followed: M6.2 133 km W of Ternate, Indonesia. This one was a foreshock.

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The earthquake

Magnitude: 5.4 (mw), moderate
Local time: Mon, Feb 16, 1987, 5:38 PM GMT+8
UTC: 1987-02-16 09:38:14 UTC
Depth: 36.9 km (22.9 mi), shallow
Epicenter: 0.739° N, 126.143° 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: FROM_LOCATION

Nearest places

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

Nearby

Within 100 km, magnitude 2.4 and up: 19 in the 60 days after this one and 5 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp00032hp (also filed as gcmtb021687a, gcmt19870216093813, iscgem474707). Read Tue, Sep 22, 2026, 5:18 AM UTC.