M5.0 earthquake 109 km W of Ternate, Indonesia

A magnitude 5.0 earthquake struck 109 km W of Ternate, Indonesia on Tue, Feb 17, 1987, 2:45 AM GMT+9 (17:45 UTC), 33 km (21 mi) below the surface.

A larger quake followed: M5.2 138 km W of Ternate, Indonesia. This one was a foreshock.

Map

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

No one has reported feeling this quake to the USGS.

Reviewed by a seismologist.

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

Within 100 km, magnitude 2.0 and up: 16 in the 60 days after this one and 12 in the 30 days before it.

From the USGS Earthquake Hazards Program and its partner networks, event usp00032j0. Read Tue, Sep 22, 2026, 4:18 PM UTC.