Tonga earthquakes

M4.6 earthquake 151 km SW of Hihifo, Tonga

A magnitude 4.6 earthquake struck 151 km SW of Hihifo, Tonga on Sat, Mar 29, 2008, 9:48 AM GMT-12 (21:48 UTC), 122 km (75 mi) below the surface.

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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
4.6 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2008-03-29 21:48:46 UTC
Depth
121.5 km (75.5 mi), intermediate-depth
Epicenter
16.985° S, 174.732° 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 usp000g2ns. 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
76°
Stations used
103

Nearby

Within 100 km, magnitude 1.6 and up: 4 in the 60 days after this one and 2 in the 30 days before it.

After

Before

Earthquakes todayTonga earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp000g2ns. Read Mon, Oct 5, 2026, 7:23 AM UTC.