M5.5 earthquake 106 km ESE of Gorontalo, Indonesia
A magnitude 5.5 earthquake struck 106 km ESE of Gorontalo, Indonesia on Fri, May 23, 2003, 12:01 AM GMT+8 (16:01 UTC), 156 km (97 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.5 (Mwc, centroid moment), moderate
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2003-05-22 16:01:42 UTC
- Depth
- 156.2 km (97.1 mi), intermediate-depth
- Epicenter
- 0.151° N, 123.940° E
- Region
- Indonesia
- Strongest shaking
- IV, light shaking
- 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. | Scale | Computed by | Notes |
|---|---|---|---|
| 5.5 | Mwc, centroid moment | USGS National Earthquake Information Center | Preferred · Reviewed |
| 5.42 | Mw, moment | ISC-GEM global catalog | Final · ±0.1 |
| 5.4 | Mwc, centroid moment | Global CMT project | Preliminary |
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 usp000bxvd. U.S. Geological Survey text and figures are in the public domain.
Shaking
The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.
- Strongest estimated
- IV, light shaking
- Peak ground acceleration
- 0.9% of gravity
- Peak ground velocity
- -1.0 cm/s
- Map
- Automatic

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
- Reverse (thrust)
- Nodal plane 1
- Strike 176°, dip 36°, rake 89°
- Nodal plane 2
- Strike 358°, dip 54°, rake 91°
How well it is located
Reviewed by a seismologist.
- Station coverage gap
- 68°
- Stations used
- 158
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.5 and up: 9 in the 60 days after this one and 0 in the 30 days before it.
After
- 4.6140 km SE of Gorontalo, Indonesia · 8534 days ago · 127 km deep · 51 km away
- 4.463 km SSE of Gorontalo, Indonesia · 8533 days ago · 185 km deep · 75 km away
- 4.4103 km ENE of Luwuk, Indonesia · 8518 days ago · 68 km deep · 83 km away
- 5.1100 km ENE of Luwuk, Indonesia · 8513 days ago · 55 km deep · 85 km away
- 4.787 km NE of Luwuk, Indonesia · 8512 days ago · 79 km deep · 89 km away
- 4.775 km SE of Gorontalo, Indonesia · 8512 days ago · 178 km deep · 43 km away
- 4.657 km SSE of Gorontalo, Indonesia · 8496 days ago · 126 km deep · 79 km away
- 4.958 km E of Gorontalo, Indonesia · 8495 days ago · 250 km deep · 60 km away
- 4.857 km SE of Gorontalo, Indonesia · 8485 days ago · 134 km deep · 64 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp000bxvd (also filed as gcmtb052203d, gcmt20030522160142, iscgem6846699). Read Fri, Oct 2, 2026, 10:57 PM UTC.