M5.4 earthquake 129 km NW of Neiafu, Tonga
A magnitude 5.4 earthquake struck 129 km NW of Neiafu, Tonga on Fri, Sep 7, 2007, 12:43 PM GMT+13 (23:43 UTC), 194 km (121 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
- 2007-09-06 23:43:44 UTC
- Depth
- 194.2 km (120.7 mi), intermediate-depth
- Epicenter
- 17.879° S, 174.910° W
- Region
- Tonga
- 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 |
| 5.38 | 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 usp000fmkf. 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 185°, dip 19°, rake -104°
- Nodal plane 2
- Strike 19°, dip 71°, rake -85°
How well it is located
Reviewed by a seismologist.
- Depth from
- CONSTRAINED_BY_DEPTH_PHASES
- Station coverage gap
- 29°
- Stations used
- 272
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.4 and up: 5 in the 60 days after this one and 3 in the 30 days before it.
After
- 4.1208 km NW of Neiafu, Tonga · 6965 days ago · 300 km deep · 82 km away
- 4.5165 km W of Neiafu, Tonga · 6958 days ago · 119 km deep · 92 km away
- 5.3165 km WNW of Neiafu, Tonga · 6955 days ago · 263 km deep · 78 km away
- 4.739 km NNW of Neiafu, Tonga · 6935 days ago · 10 km deep · 97 km away
- 4.1175 km WNW of Neiafu, Tonga · 6907 days ago · 247 km deep · 57 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp000fmkf (also filed as gcmtc200709062343a, gcmt20070906234344, iscgem12957971). Read Fri, Oct 2, 2026, 9:41 AM UTC.