Tonga earthquakes

M4.3 earthquake 138 km SSW of Hihifo, Tonga

A magnitude 4.3 earthquake struck 138 km SSW of Hihifo, Tonga on Mon, Sep 22, 2008, 6:07 PM GMT-12 (06:07 UTC), 89 km (55 mi) below the surface.

A larger quake followed: M5.7 152 km NNW of Neiafu, 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
4.3 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2008-09-23 06:07:53 UTC
Depth
89.2 km (55.4 mi), intermediate-depth
Epicenter
17.110° S, 174.288° 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 usp000ghjj. 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.

Station coverage gap
71°
Stations used
28

Nearby

Within 100 km, magnitude 1.5 and up: 11 in the 60 days after this one and 5 in the 30 days before it.

After

  1. 4.0124 km NNW of Neiafu, Tonga · 6579 days ago · 114 km deep · 50 km away
  2. 4.696 km NNW of Neiafu, Tonga · 6565 days ago · 13 km deep · 77 km away
  3. 4.443 km SW of Hihifo, Tonga · 6565 days ago · 72 km deep · 97 km away
  4. 4.5142 km NW of Neiafu, Tonga · 6561 days ago · 93 km deep · 79 km away
  5. 4.3149 km SSW of Hihifo, Tonga · 6556 days ago · 229 km deep · 26 km away
  6. 5.7152 km NNW of Neiafu, Tonga · 6542 days ago · 188 km deep · 25 km away
  7. 4.4165 km SSW of Hihifo, Tonga · 6541 days ago · 238 km deep · 35 km away
  8. 3.6Tonga · 6541 days ago · 312 km deep · 74 km away
  9. 3.4151 km NNW of Neiafu, Tonga · 6539 days ago · 150 km deep · 29 km away
  10. 4.2154 km SSW of Hihifo, Tonga · 6538 days ago · 223 km deep · 24 km away
  11. 4.5158 km SW of Hihifo, Tonga · 6529 days ago · 227 km deep · 53 km away

Before

  1. 4.7159 km NNW of Neiafu, Tonga · 6585 days ago · 108 km deep · 39 km away
  2. 4.7124 km N of Neiafu, Tonga · 6594 days ago · 35 km deep · 70 km away
  3. 4.5104 km NNW of Neiafu, Tonga · 6600 days ago · 128 km deep · 71 km away
  4. 4.1156 km NNW of Neiafu, Tonga · 6600 days ago · 226 km deep · 40 km away
  5. 4.058 km S of Hihifo, Tonga · 6600 days ago · 51 km deep · 88 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp000ghjj. Read Sat, Oct 3, 2026, 4:29 PM UTC.