Tonga earthquakes

M3.5 earthquake 128 km WSW of Hihifo, Tonga

A magnitude 3.5 earthquake struck 128 km WSW of Hihifo, Tonga on Tue, Oct 10, 2006, 3:49 PM GMT-12 (03:49 UTC), 193 km (120 mi) below the surface.

A larger quake followed: M5.0 33 km SW 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
3.5 (mb, body-wave), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2006-10-11 03:49:02 UTC
Depth
193.4 km (120.2 mi), intermediate-depth
Epicenter
16.255° S, 174.955° 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 usp000euxb. 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
132°
Stations used
10

Nearby

Within 100 km, magnitude 1.5 and up: 7 in the 60 days after this one and 6 in the 30 days before it.

After

  1. 5.033 km SW of Hihifo, Tonga · 7293 days ago · 35 km deep · 99 km away
  2. 4.2144 km WNW of Hihifo, Tonga · 7274 days ago · 298 km deep · 80 km away
  3. 5.0154 km W of Hihifo, Tonga · 7273 days ago · 35 km deep · 67 km away
  4. 4.9177 km WNW of Hihifo, Tonga · 7273 days ago · 35 km deep · 85 km away
  5. 4.3137 km W of Hihifo, Tonga · 7251 days ago · 251 km deep · 45 km away
  6. 4.1166 km WNW of Hihifo, Tonga · 7249 days ago · 273 km deep · 85 km away
  7. 4.1Tonga · 7240 days ago · 133 km deep · 89 km away

Before

  1. 4.2139 km SSW of Hihifo, Tonga · 7303 days ago · 144 km deep · 97 km away
  2. 4.3171 km WSW of Hihifo, Tonga · 7311 days ago · 35 km deep · 50 km away
  3. 3.9214 km W of Hihifo, Tonga · 7313 days ago · 366 km deep · 97 km away
  4. 4.465 km W of Hihifo, Tonga · 7314 days ago · 133 km deep · 63 km away
  5. 4.1142 km WNW of Hihifo, Tonga · 7323 days ago · 35 km deep · 85 km away
  6. 3.8146 km W of Hihifo, Tonga · 7324 days ago · 35 km deep · 47 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp000euxb. Read Mon, Oct 5, 2026, 9:52 AM UTC.