Tonga earthquakes

M4.7 earthquake 236 km S of ‘Ohonua, Tonga

A magnitude 4.7 earthquake struck 236 km S of ‘Ohonua, Tonga on Thu, Mar 30, 2006, 6:28 AM GMT+13 (17:28 UTC), 25 km (16 mi) below the surface.

A larger quake followed: M4.9 242 km S of ‘Ohonua, 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
4.7 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2006-03-29 17:28:21 UTC
Depth
25.0 km (15.5 mi), shallow
Epicenter
23.467° S, 174.852° 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 usp000ed7q. 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
119°
Stations used
20

Nearest places

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

Nearby

Within 100 km, magnitude 1.7 and up: 7 in the 60 days after this one and 8 in the 30 days before it.

After

  1. 4.5145 km S of ‘Ohonua, Tonga · 7493 days ago · 25 km deep · 94 km away
  2. 4.9242 km S of ‘Ohonua, Tonga · 7490 days ago · 55 km deep · 22 km away
  3. 4.8187 km S of ‘Ohonua, Tonga · 7488 days ago · 44 km deep · 62 km away
  4. 4.8156 km SSW of ‘Ohonua, Tonga · 7488 days ago · 25 km deep · 95 km away
  5. 4.9191 km S of ‘Ohonua, Tonga · 7488 days ago · 18 km deep · 56 km away
  6. 4.9161 km S of ‘Ohonua, Tonga · 7485 days ago · 10 km deep · 87 km away
  7. 4.7163 km SSW of ‘Ohonua, Tonga · 7481 days ago · 10 km deep · 90 km away

Before

  1. 4.7277 km S of ‘Ohonua, Tonga · 7494 days ago · 25 km deep · 43 km away
  2. 4.8173 km S of ‘Ohonua, Tonga · 7494 days ago · 25 km deep · 78 km away
  3. 4.9164 km SSW of ‘Ohonua, Tonga · 7494 days ago · 27 km deep · 88 km away
  4. 5.1182 km S of ‘Ohonua, Tonga · 7494 days ago · 25 km deep · 66 km away
  5. 5.0159 km S of ‘Ohonua, Tonga · 7494 days ago · 22 km deep · 89 km away
  6. 5.3175 km S of ‘Ohonua, Tonga · 7494 days ago · 46 km deep · 67 km away
  7. 4.6153 km S of ‘Ohonua, Tonga · 7498 days ago · 35 km deep · 87 km away
  8. 4.4172 km SSW of ‘Ohonua, Tonga · 7504 days ago · 35 km deep · 84 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp000ed7q. Read Sun, Oct 4, 2026, 8:47 AM UTC.