Tonga earthquakes

M3.9 earthquake 76 km NNE of Hihifo, Tonga

A magnitude 3.9 earthquake struck 76 km NNE of Hihifo, Tonga on Sun, Apr 1, 2007, 7:47 AM GMT-11 (18:47 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M5.5 133 km NNE of Hihifo, 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
3.9 (mb, body-wave), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2007-04-01 18:47:28 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
15.327° S, 173.489° 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 usp000f837. 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
156°
Stations used
6

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 9 in the 60 days after this one and 7 in the 30 days before it.

After

  1. 4.493 km NE of Hihifo, Tonga · 7125 days ago · 10 km deep · 31 km away
  2. 4.387 km E of Hihifo, Tonga · 7122 days ago · 10 km deep · 78 km away
  3. 5.5133 km NNE of Hihifo, Tonga · 7115 days ago · 57 km deep · 60 km away
  4. 5.070 km NNE of Hihifo, Tonga · 7114 days ago · 64 km deep · 7 km away
  5. 4.795 km N of Hihifo, Tonga · 7104 days ago · 10 km deep · 38 km away
  6. 4.2110 km NE of Hihifo, Tonga · 7095 days ago · 10 km deep · 38 km away
  7. 4.539 km W of Hihifo, Tonga · 7094 days ago · 88 km deep · 97 km away
  8. 4.2111 km NNE of Hihifo, Tonga · 7086 days ago · 10 km deep · 35 km away
  9. 5.272 km NNE of Hihifo, Tonga · 7078 days ago · 41 km deep · 16 km away

Before

  1. 4.384 km N of Hihifo, Tonga · 7131 days ago · 60 km deep · 41 km away
  2. 4.586 km NNE of Hihifo, Tonga · 7133 days ago · 10 km deep · 15 km away
  3. 4.856 km NE of Hihifo, Tonga · 7136 days ago · 43 km deep · 24 km away
  4. 4.2103 km NNE of Hihifo, Tonga · 7141 days ago · 10 km deep · 27 km away
  5. 4.1Tonga · 7145 days ago · 10 km deep · 74 km away
  6. 4.593 km NNW of Hihifo, Tonga · 7145 days ago · 99 km deep · 65 km away
  7. 4.632 km NNW of Hihifo, Tonga · 7147 days ago · 104 km deep · 55 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp000f837. Read Sat, Oct 3, 2026, 2:06 PM UTC.