Indonesia earthquakes

M5.1 earthquake 173 km NNE of Tobelo, Indonesia

A magnitude 5.1 earthquake struck 173 km NNE of Tobelo, Indonesia on Fri, Jun 18, 2004, 2:33 PM GMT+9 (05:33 UTC), 50 km (31 mi) below the surface.

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Map

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

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The earthquake

Magnitude
5.1 (Mwc, centroid moment), moderate
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2004-06-18 05:33:10 UTC
Depth
50.0 km (31.1 mi), shallow
Epicenter
3.224° N, 128.472° 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
5.1Mwc, centroid momentUSGS National Earthquake Information CenterPreferred · Reviewed
5.04Mw, momentISC-GEM global catalogFinal · ±0.1
5.0Mwc, centroid momentGlobal CMT projectPreliminary

What happened

The USGS’s account of the effects of this earthquake.

no people dead or missing; no people injured; no buildings damaged or destroyed

From the USGS event page for usp000cy5k. U.S. Geological Survey text and figures are in the public domain.

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
Normal
Nodal plane 1
Strike 348°, dip 40°, rake -90°
Nodal plane 2
Strike 168°, dip 50°, rake -90°

How well it is located

Reviewed by a seismologist.

Depth from
OPERATOR_ASSIGNED
Station coverage gap
62°
Stations used
68

Nearest places

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

Nearby

Within 100 km, magnitude 2.1 and up: 7 in the 60 days after this one and 1 in the 30 days before it.

After

Before

Earthquakes todayIndonesia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp000cy5k (also filed as gcmtc061804b, gcmt20040618053310, iscgem7357841). Read Thu, Oct 1, 2026, 9:08 PM UTC.