Tonga earthquakes

M4.6 earthquake 101 km SSE of Pangai, Tonga

A magnitude 4.6 earthquake struck 101 km SSE of Pangai, Tonga on Thu, Dec 28, 2006, 3:59 PM GMT+13 (02:59 UTC), 45 km (28 mi) below the surface.

A larger quake followed: M5.1 77 km ENE of Kolonga, Tonga. This one was a foreshock.

Nuku‘alofa forecastMore in Tonga

Map

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

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The earthquake

Magnitude
4.6 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2006-12-28 02:59:13 UTC
Depth
44.9 km (27.9 mi), shallow
Epicenter
20.679° S, 174.043° 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 usp000f15q. 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
FROM_LOCATION
Station coverage gap
101°
Stations used
37

Nearest places

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

Nearby

Within 100 km, magnitude 1.6 and up: 6 in the 60 days after this one and 12 in the 30 days before it.

After

  1. 4.573 km NE of ‘Ohonua, Tonga · 7217 days ago · 10 km deep · 45 km away
  2. 4.551 km ENE of ‘Ohonua, Tonga · 7216 days ago · 35 km deep · 73 km away
  3. 5.177 km ENE of Kolonga, Tonga · 7211 days ago · 33 km deep · 40 km away
  4. 4.4108 km SSE of Pangai, Tonga · 7199 days ago · 9 km deep · 8 km away
  5. 4.464 km ENE of ‘Ohonua, Tonga · 7188 days ago · 10 km deep · 59 km away
  6. 4.930 km NE of ‘Ohonua, Tonga · 7178 days ago · 10 km deep · 88 km away

Before

  1. 4.4Tonga · 7220 days ago · 35 km deep · 28 km away
  2. 4.785 km S of Pangai, Tonga · 7224 days ago · 15 km deep · 40 km away
  3. 5.485 km ENE of ‘Ohonua, Tonga · 7229 days ago · 10 km deep · 39 km away
  4. 4.065 km ENE of Kolonga, Tonga · 7231 days ago · 10 km deep · 53 km away
  5. 5.850 km E of ‘Ohonua, Tonga · 7231 days ago · 14 km deep · 78 km away
  6. 5.542 km ENE of ‘Ohonua, Tonga · 7231 days ago · 24 km deep · 78 km away
  7. 4.554 km SSW of Pangai, Tonga · 7233 days ago · 35 km deep · 68 km away
  8. 5.052 km SSE of Pangai, Tonga · 7240 days ago · 35 km deep · 50 km away
  9. 5.161 km SSE of Pangai, Tonga · 7240 days ago · 10 km deep · 43 km away
  10. 4.559 km E of ‘Ohonua, Tonga · 7243 days ago · 18 km deep · 74 km away
  11. 6.028 km E of ‘Ohonua, Tonga · 7248 days ago · 14 km deep · 95 km away
  12. 4.787 km ESE of ‘Ohonua, Tonga · 7250 days ago · 35 km deep · 99 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp000f15q. Read Sun, Oct 4, 2026, 10:22 AM UTC.