Tonga earthquakes

M4.8 earthquake 56 km NE of Hihifo, Tonga

A magnitude 4.8 earthquake struck 56 km NE of Hihifo, Tonga on Tue, Mar 20, 2007, 7:59 PM GMT-11 (06:59 UTC), 43 km (27 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
4.8 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2007-03-21 06:59:15 UTC
Depth
43.3 km (26.9 mi), shallow
Epicenter
15.544° S, 173.477° 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 usp000f73j. 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
CONSTRAINED_BY_DEPTH_PHASES
Station coverage gap
60°
Stations used
116

Nearest places

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

Nearby

Within 100 km, magnitude 1.8 and up: 13 in the 60 days after this one and 4 in the 30 days before it.

After

  1. 4.586 km NNE of Hihifo, Tonga · 7133 days ago · 10 km deep · 39 km away
  2. 4.384 km N of Hihifo, Tonga · 7131 days ago · 60 km deep · 56 km away
  3. 3.976 km NNE of Hihifo, Tonga · 7125 days ago · 10 km deep · 24 km away
  4. 4.493 km NE of Hihifo, Tonga · 7125 days ago · 10 km deep · 37 km away
  5. 4.387 km E of Hihifo, Tonga · 7122 days ago · 10 km deep · 62 km away
  6. 5.5133 km NNE of Hihifo, Tonga · 7115 days ago · 57 km deep · 84 km away
  7. 5.070 km NNE of Hihifo, Tonga · 7114 days ago · 64 km deep · 21 km away
  8. 4.795 km N of Hihifo, Tonga · 7104 days ago · 10 km deep · 58 km away
  9. 4.2110 km NE of Hihifo, Tonga · 7095 days ago · 10 km deep · 53 km away
  10. 4.539 km W of Hihifo, Tonga · 7094 days ago · 88 km deep · 84 km away
  11. 4.2111 km NNE of Hihifo, Tonga · 7086 days ago · 10 km deep · 57 km away
  12. 4.797 km E of Hihifo, Tonga · 7085 days ago · 35 km deep · 85 km away
  13. 5.272 km NNE of Hihifo, Tonga · 7078 days ago · 41 km deep · 31 km away

Before

  1. 4.2103 km NNE of Hihifo, Tonga · 7141 days ago · 10 km deep · 48 km away
  2. 4.1Tonga · 7145 days ago · 10 km deep · 50 km away
  3. 4.593 km NNW of Hihifo, Tonga · 7145 days ago · 99 km deep · 77 km away
  4. 4.632 km NNW of Hihifo, Tonga · 7147 days ago · 104 km deep · 43 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp000f73j. Read Sat, Oct 3, 2026, 4:58 PM UTC.