M3.9 earthquake 108 km ESE of Hihifo, Tonga
A magnitude 3.9 earthquake struck 108 km ESE of Hihifo, Tonga on Sun, Sep 2, 2007, 2:50 PM GMT-11 (01:50 UTC), 45 km (28 mi) below the surface.
A larger quake followed: M4.9 64 km SE 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
- 3.9 (mb, body-wave), minor
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2007-09-03 01:50:50 UTC
- Depth
- 45.0 km (28.0 mi), shallow
- Epicenter
- 16.378° S, 172.881° W
- Region
- Tonga
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
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 usp000fmau. 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.
How well it is located
Reviewed by a seismologist.
- Station coverage gap
- 176°
- Stations used
- 7
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 4 in the 60 days after this one and 4 in the 30 days before it.
After
- 4.964 km SE of Hihifo, Tonga · 6941 days ago · 35 km deep · 49 km away
- 4.572 km ENE of Hihifo, Tonga · 6933 days ago · 10 km deep · 88 km away
- 4.9184 km SE of Hihifo, Tonga · 6932 days ago · 35 km deep · 89 km away
- 4.3114 km SSE of Hihifo, Tonga · 6920 days ago · 35 km deep · 71 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp000fmau. Read Sun, Oct 4, 2026, 4:49 PM UTC.