M6.4 earthquake Halmahera, Indonesia
A magnitude 6.4 earthquake struck in Halmahera, Indonesia on Mon, Mar 10, 2003, 11:09 AM GMT+9 (02:09 UTC), 94 km (58 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 6.4 (Mwb, body-wave moment), strong
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2003-03-10 02:09:37 UTC
- Depth
- 93.8 km (58.3 mi), intermediate-depth
- Epicenter
- 1.692° N, 127.296° E
- Region
- Indonesia
- Strongest shaking
- VI, strong 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 |
|---|---|---|---|
| 6.4 | Mwb, body-wave moment | USGS National Earthquake Information Center | Preferred · Reviewed |
| 6.35 | Mw, moment | ISC-GEM global catalog | Final · ±0.1 |
| 6.3 | Mwc, centroid moment | Global CMT project | Preliminary |
| 6.4 | Me, energy | Choy, USGS energy magnitude | Reviewed |
What happened
The USGS’s account of the effects of this earthquake.
Felt (IV) on Ternate. Also felt (IV) at Manado, Sulawesi.
From the USGS event page for usp000bsas. 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
- VI, strong shaking
- Peak ground acceleration
- 9.0% of gravity
- Peak ground velocity
- 1.4 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
- Strike-slip
- Nodal plane 1
- Strike 336°, dip 29°, rake 29°
- Nodal plane 2
- Strike 221°, dip 76°, rake 116°
How well it is located
Reviewed by a seismologist.
- Depth from
- CONSTRAINED_BY_DEPTH_PHASES
- Station coverage gap
- 30°
- Stations used
- 434
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 3.4 and up: 9 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.8152 km WNW of Tobelo, Indonesia · 8603 days ago · 80 km deep · 80 km away
- 4.773 km NNW of Ternate, Indonesia · 8599 days ago · 64 km deep · 35 km away
- 4.614 km NNW of Tobelo, Indonesia · 8585 days ago · 33 km deep · 74 km away
- 5.6152 km WNW of Tobelo, Indonesia · 8583 days ago · 49 km deep · 81 km away
- 4.1165 km NW of Ternate, Indonesia · 8582 days ago · 33 km deep · 96 km away
- 4.3156 km WNW of Tobelo, Indonesia · 8560 days ago · 33 km deep · 100 km away
- 4.7162 km WNW of Tobelo, Indonesia · 8559 days ago · 61 km deep · 96 km away
- 4.459 km NE of Sofifi, Indonesia · 8555 days ago · 33 km deep · 99 km away
- 4.5105 km NW of Tobelo, Indonesia · 8549 days ago · 33 km deep · 71 km away
Before
Earthquakes todayIndonesia earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp000bsas (also filed as choy20030310020937, gcmtc031003a, gcmt20030310020937, iscgem6611462, atlas20030310020937). Read Thu, Oct 1, 2026, 3:23 AM UTC.