Tonga earthquakes

M4.5 earthquake 80 km NNE of Hihifo, Tonga

A magnitude 4.5 earthquake struck 80 km NNE of Hihifo, Tonga on Thu, Sep 20, 2007, 6:40 AM GMT-11 (17:40 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.

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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
4.5 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2007-09-20 17:40:27 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
15.281° S, 173.509° 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 usp000fnst. 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
142°
Stations used
26

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 11 in the 60 days after this one and 6 in the 30 days before it.

After

  1. 5.192 km NNW of Hihifo, Tonga · 6939 days ago · 10 km deep · 79 km away
  2. 5.492 km NE of Hihifo, Tonga · 6935 days ago · 10 km deep · 38 km away
  3. 4.572 km ENE of Hihifo, Tonga · 6933 days ago · 10 km deep · 53 km away
  4. 3.9124 km NNE of Hihifo, Tonga · 6923 days ago · 35 km deep · 46 km away
  5. 4.370 km NW of Hihifo, Tonga · 6915 days ago · 35 km deep · 82 km away
  6. 5.182 km NW of Hihifo, Tonga · 6914 days ago · 35 km deep · 85 km away
  7. 5.793 km NE of Hihifo, Tonga · 6911 days ago · 10 km deep · 38 km away
  8. 5.2130 km ENE of Hihifo, Tonga · 6911 days ago · 10 km deep · 79 km away
  9. 5.887 km ENE of Hihifo, Tonga · 6911 days ago · 10 km deep · 59 km away
  10. 4.3100 km NNE of Hihifo, Tonga · 6911 days ago · 10 km deep · 21 km away
  11. 4.5117 km SW of Gataivai, Samoa · 6907 days ago · 54 km deep · 89 km away

Before

  1. 5.282 km NNE of Hihifo, Tonga · 6958 days ago · 10 km deep · 12 km away
  2. 4.5111 km NNE of Hihifo, Tonga · 6959 days ago · 10 km deep · 32 km away
  3. 4.665 km NE of Hihifo, Tonga · 6964 days ago · 35 km deep · 28 km away
  4. 5.298 km NNW of Hihifo, Tonga · 6964 days ago · 20 km deep · 64 km away
  5. 4.4104 km N of Hihifo, Tonga · 6965 days ago · 10 km deep · 30 km away
  6. 4.237 km NE of Hihifo, Tonga · 6972 days ago · 35 km deep · 46 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp000fnst. Read Sun, Oct 4, 2026, 2:07 PM UTC.