Tonga earthquakes

M4.7 earthquake 202 km WNW of Hihifo, Tonga

A magnitude 4.7 earthquake struck 202 km WNW of Hihifo, Tonga on Mon, Jan 21, 2008, 11:06 PM GMT-12 (11:06 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M5.5 143 km WNW of Hihifo, Tonga. This one was a foreshock.

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

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The earthquake

Magnitude
4.7 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2008-01-22 11:06:33 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
15.340° S, 175.579° 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 usp000fx7b. 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.

Depth from
OPERATOR_ASSIGNED
Station coverage gap
123°
Stations used
13

Nearby

Within 100 km, magnitude 1.7 and up: 6 in the 60 days after this one and 6 in the 30 days before it.

After

  1. 4.6183 km SSE of Mata-Utu, Wallis and Futuna · 6830 days ago · 10 km deep · 56 km away
  2. 5.5143 km WNW of Hihifo, Tonga · 6821 days ago · 34 km deep · 59 km away
  3. 3.7142 km W of Hihifo, Tonga · 6803 days ago · 271 km deep · 87 km away
  4. 4.8251 km W of Hihifo, Tonga · 6790 days ago · 35 km deep · 90 km away
  5. 5.0132 km W of Hihifo, Tonga · 6776 days ago · 35 km deep · 90 km away
  6. 3.8126 km W of Hihifo, Tonga · 6774 days ago · 10 km deep · 89 km away

Before

  1. 6.1201 km WNW of Hihifo, Tonga · 6831 days ago · 10 km deep · 9 km away
  2. 6.0182 km WNW of Hihifo, Tonga · 6831 days ago · 6 km deep · 26 km away
  3. 5.2172 km SSE of Mata-Utu, Wallis and Futuna · 6831 days ago · 10 km deep · 68 km away
  4. 3.5124 km WNW of Hihifo, Tonga · 6834 days ago · 268 km deep · 79 km away
  5. 3.5238 km SE of Alo, Wallis and Futuna · 6851 days ago · 300 km deep · 83 km away
  6. 4.3143 km WNW of Hihifo, Tonga · 6855 days ago · 35 km deep · 64 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp000fx7b. Read Mon, Oct 5, 2026, 2:42 AM UTC.