M5.4 earthquake Carlsberg Ridge
A magnitude 5.4 earthquake struck in the Carlsberg Ridge on Mon, Jul 28, 2003, 3:50 AM GMT+5 (22:50 UTC), 10 km (6 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.4 (Mwc, centroid moment), moderate
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2003-07-27 22:50:25 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 1.008° S, 69.653° E
- 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 |
|---|---|---|---|
| 5.4 | Mwc, centroid moment | USGS National Earthquake Information Center | Preferred · Reviewed |
| 5.32 | Mw, moment | ISC-GEM global catalog | Final · ±0.1 |
| 5.3 | 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 usp000c3hy. 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
- Oblique normal
- Nodal plane 1
- Strike 103°, dip 24°, rake -124°
- Nodal plane 2
- Strike 319°, dip 70°, rake -76°
How well it is located
Reviewed by a seismologist.
- Depth from
- OPERATOR_ASSIGNED
- Station coverage gap
- 59°
- Stations used
- 171
Nearby
Within 100 km, magnitude 2.4 and up: 3 in the 60 days after this one and 7 in the 30 days before it.
After
- 4.5Carlsberg Ridge · 8446 days ago · 10 km deep · 28 km away
- 4.6Carlsberg Ridge · 8423 days ago · 10 km deep · 61 km away
- 4.6Carlsberg Ridge · 8409 days ago · 10 km deep · 47 km away
Before
- 4.8Carlsberg Ridge · 8469 days ago · 10 km deep · 50 km away
- 4.8Carlsberg Ridge · 8473 days ago · 10 km deep · 31 km away
- 4.7Carlsberg Ridge · 8473 days ago · 10 km deep · 8 km away
- 5.1Carlsberg Ridge · 8474 days ago · 10 km deep · 29 km away
- 4.9Carlsberg Ridge · 8477 days ago · 10 km deep · 29 km away
- 4.7Carlsberg Ridge · 8478 days ago · 10 km deep · 11 km away
- 4.5Carlsberg Ridge · 8479 days ago · 10 km deep · 93 km away
Earthquakes todayLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp000c3hy (also filed as gcmtb072703g, gcmt20030727225025, iscgem7009357). Read Fri, Oct 2, 2026, 6:50 AM UTC.