Indonesia earthquakes

M5.2 earthquake 138 km W of Ternate, Indonesia

A magnitude 5.2 earthquake struck 138 km W of Ternate, Indonesia on Sat, Feb 21, 1987, 10:05 AM GMT+9 (01:05 UTC), 42 km (26 mi) below the surface.

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The earthquake

Magnitude
5.2 (mb, body-wave), moderate
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
1987-02-21 01:05:20 UTC
Depth
41.6 km (25.8 mi), shallow
Epicenter
0.597° N, 126.152° E
Region
Indonesia
Tsunami flag
No
Status
Reviewed by a seismologist

Magnitude estimates

Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.

Mag.ScaleComputed byNotes
5.2mb, body-waveUSGS National Earthquake Information CenterPreferred · Reviewed · 9 stations
5.52Mw, momentISC-GEM global catalogFinal · ±0.23

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 2.2 and up: 8 in the 60 days after this one and 15 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp00032my (also filed as iscgem474989). Read Thu, Oct 1, 2026, 11:32 AM UTC.