Tonga earthquakes

M3.7 earthquake 142 km W of Hihifo, Tonga

A magnitude 3.7 earthquake struck 142 km W of Hihifo, Tonga on Mon, Feb 18, 2008, 5:41 AM GMT-12 (17:41 UTC), 271 km (168 mi) below the surface.

A larger quake followed: M5.0 132 km W of Hihifo, Tonga. This one was a foreshock.

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Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
3.7 (mb, body-wave), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2008-02-18 17:41:26 UTC
Depth
270.7 km (168.2 mi), intermediate-depth
Epicenter
15.992° S, 175.126° 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 usp000fz6q. 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
195°, poorly surrounded by stations
Stations used
7

Nearby

Within 100 km, magnitude 1.5 and up: 5 in the 60 days after this one and 6 in the 30 days before it.

After

  1. 5.0132 km W of Hihifo, Tonga · 6776 days ago · 35 km deep · 10 km away
  2. 3.8126 km W of Hihifo, Tonga · 6773 days ago · 10 km deep · 19 km away
  3. 4.391 km SW of Hihifo, Tonga · 6771 days ago · 35 km deep · 100 km away
  4. 3.963 km W of Hihifo, Tonga · 6756 days ago · 149 km deep · 79 km away
  5. 4.3151 km WNW of Hihifo, Tonga · 6754 days ago · 284 km deep · 72 km away

Before

  1. 5.090 km NW of Hihifo, Tonga · 6810 days ago · 10 km deep · 86 km away
  2. 5.5143 km WNW of Hihifo, Tonga · 6820 days ago · 34 km deep · 49 km away
  3. 5.273 km W of Hihifo, Tonga · 6825 days ago · 20 km deep · 70 km away
  4. 4.7202 km WNW of Hihifo, Tonga · 6830 days ago · 10 km deep · 87 km away
  5. 6.1201 km WNW of Hihifo, Tonga · 6830 days ago · 10 km deep · 81 km away
  6. 6.0182 km WNW of Hihifo, Tonga · 6830 days ago · 6 km deep · 83 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp000fz6q. Read Sun, Oct 4, 2026, 4:13 PM UTC.