Tonga earthquakes

M4.6 earthquake 161 km W of Pangai, Tonga

A magnitude 4.6 earthquake struck 161 km W of Pangai, Tonga on Wed, Jan 16, 2008, 2:34 AM GMT+13 (13:34 UTC), 144 km (89 mi) below the surface.

A larger quake followed: M5.1 81 km NNW of Nuku‘alofa, Tonga. This one was a foreshock.

Nuku‘alofa forecastMore in Tonga

Map

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
2008-01-15 13:34:42 UTC
Depth
143.6 km (89.2 mi), intermediate-depth
Epicenter
19.776° S, 175.896° 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 usp000fwsb. 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
140°
Stations used
12

Nearest places

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

Nearby

Within 100 km, magnitude 1.6 and up: 2 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 usp000fwsb. Read Fri, Oct 2, 2026, 10:29 PM UTC.