Tonga earthquakes

M4.5 earthquake 78 km E of ‘Ohonua, Tonga

A magnitude 4.5 earthquake struck 78 km E of ‘Ohonua, Tonga on Thu, Mar 8, 2007, 4:46 PM GMT+13 (03:46 UTC), 17 km (11 mi) below the surface.

A larger quake followed: M5.2 45 km E 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
4.5 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2007-03-08 03:46:22 UTC
Depth
17.3 km (10.7 mi), shallow
Epicenter
21.261° S, 174.195° 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 usp000f6ad. 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
190°, poorly surrounded by stations
Stations used
29

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 11 in the 60 days after this one and 1 in the 30 days before it.

After

  1. 4.655 km ENE of ‘Ohonua, Tonga · 7150 days ago · 70 km deep · 24 km away
  2. 4.893 km SSE of Pangai, Tonga · 7146 days ago · 10 km deep · 72 km away
  3. 4.953 km ENE of ‘Ohonua, Tonga · 7145 days ago · 35 km deep · 28 km away
  4. 4.864 km S of Pangai, Tonga · 7130 days ago · 10 km deep · 98 km away
  5. 4.6107 km SSE of Pangai, Tonga · 7129 days ago · 35 km deep · 58 km away
  6. 4.866 km ESE of ‘Ohonua, Tonga · 7126 days ago · 35 km deep · 26 km away
  7. 4.738 km E of ‘Ohonua, Tonga · 7111 days ago · 35 km deep · 40 km away
  8. 5.245 km E of ‘Ohonua, Tonga · 7110 days ago · 10 km deep · 33 km away
  9. 4.842 km E of ‘Ohonua, Tonga · 7104 days ago · 35 km deep · 36 km away
  10. 4.724 km ENE of ‘Ohonua, Tonga · 7098 days ago · 50 km deep · 55 km away
  11. 4.489 km ENE of ‘Ohonua, Tonga · 7091 days ago · 35 km deep · 20 km away

Before

  1. 4.930 km NE of ‘Ohonua, Tonga · 7177 days ago · 10 km deep · 56 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp000f6ad. Read Sun, Oct 4, 2026, 1:51 AM UTC.