Tonga earthquakes

M4.9 earthquake 141 km SSW of ‘Ohonua, Tonga

A magnitude 4.9 earthquake struck 141 km SSW of ‘Ohonua, Tonga on Wed, Aug 16, 2006, 6:45 AM GMT+13 (17:45 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M5.7 55 km SSW of ‘Ohonua, 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
4.9 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2006-08-15 17:45:34 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
22.580° S, 175.267° 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 usp000er0g. 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
109°
Stations used
69

Nearest places

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

Nearby

Within 100 km, magnitude 1.9 and up: 14 in the 60 days after this one and 1 in the 30 days before it.

After

  1. 5.755 km SSW of ‘Ohonua, Tonga · 7337 days ago · 37 km deep · 88 km away
  2. 5.262 km SSW of ‘Ohonua, Tonga · 7337 days ago · 35 km deep · 81 km away
  3. 4.7146 km SSW of Vaini, Tonga · 7324 days ago · 18 km deep · 77 km away
  4. 4.7180 km SSW of Vaini, Tonga · 7318 days ago · 5 km deep · 84 km away
  5. 5.0240 km SSW of ‘Ohonua, Tonga · 7308 days ago · 48 km deep · 99 km away
  6. 4.8238 km SSW of ‘Ohonua, Tonga · 7308 days ago · 46 km deep · 97 km away
  7. 4.9234 km SSW of ‘Ohonua, Tonga · 7307 days ago · 51 km deep · 93 km away
  8. 4.4219 km SSW of ‘Ohonua, Tonga · 7307 days ago · 102 km deep · 78 km away
  9. 5.3Tonga region · 7302 days ago · 10 km deep · 99 km away
  10. 4.8227 km SSW of ‘Ohonua, Tonga · 7302 days ago · 10 km deep · 86 km away
  11. 5.2238 km S of ‘Ohonua, Tonga · 7302 days ago · 10 km deep · 98 km away
  12. 4.7224 km SSW of ‘Ohonua, Tonga · 7302 days ago · 10 km deep · 83 km away
  13. 4.7236 km SSW of ‘Ohonua, Tonga · 7301 days ago · 10 km deep · 95 km away
  14. 4.7209 km SSW of ‘Ohonua, Tonga · 7298 days ago · 10 km deep · 68 km away

Before

  1. 4.6141 km SSE of ‘Ohonua, Tonga · 7356 days ago · 35 km deep · 83 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp000er0g. Read Mon, Oct 5, 2026, 9:25 AM UTC.