Tonga earthquakes

M4.4 earthquake 172 km SSW of ‘Ohonua, Tonga

A magnitude 4.4 earthquake struck 172 km SSW of ‘Ohonua, Tonga on Sun, Mar 19, 2006, 10:46 AM GMT+13 (21:46 UTC), 35 km (22 mi) below the surface.

A larger quake followed: M5.3 175 km S 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
4.4 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2006-03-18 21:46:17 UTC
Depth
35.0 km (21.7 mi), shallow
Epicenter
22.852° S, 175.334° 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 usp000ece8. 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
287°, poorly surrounded by stations
Stations used
8

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 18 in the 60 days after this one and 5 in the 30 days before it.

After

  1. 4.6153 km S of ‘Ohonua, Tonga · 7498 days ago · 35 km deep · 68 km away
  2. 5.3175 km S of ‘Ohonua, Tonga · 7495 days ago · 46 km deep · 24 km away
  3. 5.0159 km S of ‘Ohonua, Tonga · 7495 days ago · 22 km deep · 15 km away
  4. 5.1182 km S of ‘Ohonua, Tonga · 7494 days ago · 25 km deep · 20 km away
  5. 4.9164 km SSW of ‘Ohonua, Tonga · 7494 days ago · 27 km deep · 9 km away
  6. 4.8173 km S of ‘Ohonua, Tonga · 7494 days ago · 25 km deep · 8 km away
  7. 4.4142 km SSW of ‘Ohonua, Tonga · 7494 days ago · 25 km deep · 31 km away
  8. 4.7236 km S of ‘Ohonua, Tonga · 7494 days ago · 25 km deep · 84 km away
  9. 4.5145 km S of ‘Ohonua, Tonga · 7494 days ago · 25 km deep · 36 km away
  10. 4.9148 km SSW of ‘Ohonua, Tonga · 7491 days ago · 38 km deep · 29 km away
  11. 4.8187 km S of ‘Ohonua, Tonga · 7489 days ago · 44 km deep · 22 km away
  12. 4.8156 km SSW of ‘Ohonua, Tonga · 7488 days ago · 25 km deep · 16 km away
  13. 4.9191 km S of ‘Ohonua, Tonga · 7488 days ago · 18 km deep · 29 km away
  14. 4.9161 km S of ‘Ohonua, Tonga · 7485 days ago · 10 km deep · 13 km away
  15. 4.7163 km SSW of ‘Ohonua, Tonga · 7482 days ago · 10 km deep · 9 km away
  16. 4.788 km SSW of ‘Ohonua, Tonga · 7467 days ago · 35 km deep · 91 km away
  17. 4.5103 km SSW of ‘Ohonua, Tonga · 7460 days ago · 35 km deep · 70 km away
  18. 4.8214 km SW of ‘Ohonua, Tonga · 7445 days ago · 35 km deep · 88 km away

Before

  1. 4.8240 km SSW of ‘Ohonua, Tonga · 7506 days ago · 23 km deep · 92 km away
  2. 4.7124 km SSE of ‘Ohonua, Tonga · 7513 days ago · 59 km deep · 88 km away
  3. 4.6153 km SSW of ‘Ohonua, Tonga · 7520 days ago · 25 km deep · 30 km away
  4. 5.2174 km SSW of ‘Ohonua, Tonga · 7524 days ago · 10 km deep · 49 km away
  5. 4.8183 km SSW of ‘Ohonua, Tonga · 7527 days ago · 25 km deep · 17 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp000ece8. Read Sun, Oct 4, 2026, 11:03 PM UTC.