Tonga earthquakes

M3.9 earthquake 144 km NW of Hihifo, Tonga

A magnitude 3.9 earthquake struck 144 km NW of Hihifo, Tonga on Sat, Sep 1, 2007, 9:39 PM GMT-11 (08:39 UTC), 235 km (146 mi) below the surface.

A larger quake followed: M5.3 177 km NW of Hihifo, Tonga. This one was a foreshock.

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Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
3.9 (mb, body-wave), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2007-09-02 08:39:09 UTC
Depth
234.6 km (145.8 mi), intermediate-depth
Epicenter
15.215° S, 174.910° 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 usp000fm7y. 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
128°
Stations used
13

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 8 in the 60 days after this one and 1 in the 30 days before it.

After

  1. 5.298 km NNW of Hihifo, Tonga · 6964 days ago · 20 km deep · 90 km away
  2. 4.6126 km WNW of Hihifo, Tonga · 6957 days ago · 258 km deep · 31 km away
  3. 5.3177 km NW of Hihifo, Tonga · 6943 days ago · 35 km deep · 34 km away
  4. 5.192 km NNW of Hihifo, Tonga · 6939 days ago · 10 km deep · 71 km away
  5. 5.1174 km WNW of Hihifo, Tonga · 6939 days ago · 10 km deep · 37 km away
  6. 4.4137 km W of Hihifo, Tonga · 6915 days ago · 264 km deep · 95 km away
  7. 4.370 km NW of Hihifo, Tonga · 6914 days ago · 35 km deep · 77 km away
  8. 5.182 km NW of Hihifo, Tonga · 6914 days ago · 35 km deep · 69 km away

Before

  1. 3.6104 km W of Hihifo, Tonga · 6994 days ago · 291 km deep · 68 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp000fm7y. Read Sun, Oct 4, 2026, 5:51 AM UTC.