M5.1 earthquake 66 km SE of Pangai, Tonga
A magnitude 5.1 earthquake struck 66 km SE of Pangai, Tonga on Sat, Sep 8, 2007, 4:14 PM GMT+13 (03:14 UTC), 35 km (22 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
- 2007-09-08 03:14:51 UTC
- Depth
- 35.0 km (21.7 mi), shallow
- Epicenter
- 20.155° S, 173.834° 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 |
| 5.08 | 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 usp000fmp1. 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
- Reverse (thrust)
- Nodal plane 1
- Strike 179°, dip 28°, rake 69°
- Nodal plane 2
- Strike 22°, dip 64°, rake 100°
How well it is located
Reviewed by a seismologist.
- Depth from
- OPERATOR_ASSIGNED
- Station coverage gap
- 37°
- Stations used
- 133
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.1 and up: 5 in the 60 days after this one and 0 in the 30 days before it.
After
- 4.374 km S of Pangai, Tonga · 6952 days ago · 10 km deep · 69 km away
- 4.442 km S of Pangai, Tonga · 6950 days ago · 10 km deep · 53 km away
- 4.731 km W of Pangai, Tonga · 6941 days ago · 10 km deep · 94 km away
- 4.237 km ESE of Pangai, Tonga · 6927 days ago · 46 km deep · 34 km away
- 4.339 km S of Pangai, Tonga · 6906 days ago · 10 km deep · 50 km away
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp000fmp1 (also filed as gcmtc200709080314a, gcmt20070908031451, iscgem12959416). Read Fri, Oct 2, 2026, 5:37 PM UTC.