Tonga earthquakes

M4.4 earthquake 168 km ESE of Hihifo, Tonga

A magnitude 4.4 earthquake struck 168 km ESE of Hihifo, Tonga on Sun, Feb 1, 1976, 3:18 PM GMT-11 (02:18 UTC), 104 km (65 mi) below the surface.

A larger quake followed: M5.2 166 km SE 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
4.4 (mb), light
Local time
UTC
1976-02-02 02:18:44 UTC
Depth
104.0 km (64.6 mi), intermediate-depth
Epicenter
16.257° S, 172.253° W
Region
Tonga
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Stations used
14

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 8 in the 60 days after this one and 4 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0000evt. Read Tue, Sep 22, 2026, 7:25 AM UTC.