M5.1 earthquake 77 km ENE of Kolonga, Tonga
A magnitude 5.1 earthquake struck 77 km ENE of Kolonga, Tonga on Sun, Jan 7, 2007, 12:10 AM GMT+13 (11:10 UTC), 33 km (21 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
- 2007-01-06 11:10:20 UTC
- Depth
- 33.1 km (20.6 mi), shallow
- Epicenter
- 20.829° S, 174.391° 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 usp000f1tr. 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 200°, dip 32°, rake 76°
- Nodal plane 2
- Strike 37°, dip 59°, rake 98°
How well it is located
Reviewed by a seismologist.
- Depth from
- FROM_LOCATION
- Station coverage gap
- 97°
- Stations used
- 87
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 13 in the 30 days before it.
After
- 4.4108 km SSE of Pangai, Tonga · 7199 days ago · 9 km deep · 41 km away
- 4.935 km NNW of Kolonga, Tonga · 7196 days ago · 33 km deep · 77 km away
- 4.464 km ENE of ‘Ohonua, Tonga · 7187 days ago · 10 km deep · 31 km away
- 4.930 km NE of ‘Ohonua, Tonga · 7177 days ago · 10 km deep · 50 km away
Before
- 4.551 km ENE of ‘Ohonua, Tonga · 7216 days ago · 35 km deep · 43 km away
- 4.573 km NE of ‘Ohonua, Tonga · 7217 days ago · 10 km deep · 12 km away
- 4.6101 km SSE of Pangai, Tonga · 7220 days ago · 45 km deep · 40 km away
- 4.4Tonga · 7220 days ago · 35 km deep · 20 km away
- 4.785 km S of Pangai, Tonga · 7223 days ago · 15 km deep · 27 km away
- 5.485 km ENE of ‘Ohonua, Tonga · 7228 days ago · 10 km deep · 25 km away
- 4.649 km ESE of ‘Ohonua, Tonga · 7229 days ago · 35 km deep · 79 km away
- 4.065 km ENE of Kolonga, Tonga · 7230 days ago · 10 km deep · 14 km away
- 5.850 km E of ‘Ohonua, Tonga · 7231 days ago · 14 km deep · 48 km away
- 5.542 km ENE of ‘Ohonua, Tonga · 7231 days ago · 24 km deep · 43 km away
- 4.554 km SSW of Pangai, Tonga · 7232 days ago · 35 km deep · 63 km away
- 5.052 km SSE of Pangai, Tonga · 7239 days ago · 35 km deep · 70 km away
- 5.161 km SSE of Pangai, Tonga · 7240 days ago · 10 km deep · 69 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp000f1tr (also filed as gcmtc200701061110a, gcmt20070106111020, iscgem10380591). Read Sun, Oct 4, 2026, 7:00 AM UTC.