M5.1 earthquake 199 km NW of Nuku‘alofa, Tonga
A magnitude 5.1 earthquake struck 199 km NW of Nuku‘alofa, Tonga on Sat, Feb 3, 2007, 6:28 PM GMT+13 (05:28 UTC), 266 km (165 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.1 (Mwc, centroid moment), moderate
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2007-02-03 05:28:09 UTC
- Depth
- 266.2 km (165.4 mi), intermediate-depth
- Epicenter
- 19.872° S, 176.560° 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 |
|---|---|---|---|
| 5.1 | Mwc, centroid moment | USGS National Earthquake Information Center | Preferred · Reviewed |
| 5.09 | Mw, moment | ISC-GEM global catalog | Final · ±0.1 |
| 5.1 | 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 usp000f46b. 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
- Strike-slip
- Nodal plane 1
- Strike 345°, dip 6°, rake 20°
- Nodal plane 2
- Strike 235°, dip 88°, rake 96°
How well it is located
Reviewed by a seismologist.
- Station coverage gap
- 54°
- Stations used
- 186
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.1 and up: 4 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.7113 km NW of Nuku‘alofa, Tonga · 7173 days ago · 15 km deep · 90 km away
- 4.0119 km NW of Haveluloto, Tonga · 7162 days ago · 349 km deep · 82 km away
- 4.4272 km NW of Haveluloto, Tonga · 7156 days ago · 565 km deep · 86 km away
- 4.0143 km W of Pangai, Tonga · 7135 days ago · 300 km deep · 94 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp000f46b (also filed as gcmtc200702030528a, gcmt20070203052809, iscgem11495568). Read Mon, Oct 5, 2026, 7:22 AM UTC.