M5.4 earthquake 92 km NE of Hihifo, Tonga
A magnitude 5.4 earthquake struck 92 km NE of Hihifo, Tonga on Tue, Oct 9, 2007, 2:50 PM GMT-11 (01:50 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M5.8 87 km ENE of Hihifo, Tonga. This one was a foreshock.
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
- 2007-10-10 01:50:57 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 15.379° S, 173.169° 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 |
| 5.42 | 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 usp000fq7q. 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 229°, dip 8°, rake -162°
- Nodal plane 2
- Strike 121°, dip 88°, rake -82°
How well it is located
Reviewed by a seismologist.
- Depth from
- OPERATOR_ASSIGNED
- Station coverage gap
- 85°
- Stations used
- 185
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.4 and up: 10 in the 60 days after this one and 4 in the 30 days before it.
After
- 4.572 km ENE of Hihifo, Tonga · 6932 days ago · 10 km deep · 30 km away
- 3.9124 km NNE of Hihifo, Tonga · 6923 days ago · 35 km deep · 44 km away
- 5.793 km NE of Hihifo, Tonga · 6911 days ago · 10 km deep · 1 km away
- 5.2130 km ENE of Hihifo, Tonga · 6911 days ago · 10 km deep · 43 km away
- 5.887 km ENE of Hihifo, Tonga · 6911 days ago · 10 km deep · 26 km away
- 4.3100 km NNE of Hihifo, Tonga · 6911 days ago · 10 km deep · 45 km away
- 4.5117 km SW of Gataivai, Samoa · 6907 days ago · 54 km deep · 85 km away
- 3.969 km NNE of Hihifo, Tonga · 6890 days ago · 35 km deep · 52 km away
- 4.691 km N of Hihifo, Tonga · 6889 days ago · 35 km deep · 62 km away
- 4.094 km NNE of Hihifo, Tonga · 6879 days ago · 35 km deep · 28 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp000fq7q (also filed as gcmtc200710100151a, gcmt20071010015057, iscgem13238929). Read Sun, Oct 4, 2026, 12:34 PM UTC.