Indonesia earthquakes

M5.5 earthquake 149 km WSW of Ternate, Indonesia

A magnitude 5.5 earthquake struck 149 km WSW of Ternate, Indonesia on Fri, Aug 29, 2003, 5:58 AM GMT+9 (20:58 UTC), 70 km (44 mi) below the surface.

A larger quake followed: M6.4 147 km WSW of Ternate, Indonesia. This one was a foreshock.

Ternate forecast More in Indonesia

Map

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

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The earthquake

Magnitude: 5.5 (mwc), moderate
Local time: Fri, Aug 29, 2003, 5:58 AM GMT+9
UTC: 2003-08-28 20:58:30 UTC
Depth: 70.3 km (43.7 mi), intermediate-depth
Epicenter: 0.207° N, 126.177° 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.

Fault motion and ground failure

How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.

Faulting: Strike-slip
Nodal plane 1: Strike 63°, dip 39°, rake 165°
Nodal plane 2: Strike 165°, dip 81°, rake 52°

How well it is located

Reviewed by a seismologist.

Depth from: FROM_LOCATION
Station coverage gap: 68°
Stations used: 65

Nearest places

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

Nearby

Within 100 km, magnitude 2.5 and up: 12 in the 60 days after this one and 1 in the 30 days before it.

After

Before

4.9109 km SW of Ternate, IndonesiaThu, Aug 21, 12:28 PM GMT+9 · 8442 days ago · 33 km deep · 69 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp000c659 (also filed as gcmtb082803g, gcmt20030828205830, iscgem7072513). Read Wed, Sep 30, 2026, 6:26 PM UTC.