Tonga earthquakes

M5.0 earthquake 86 km NNE of Neiafu, Tonga

A magnitude 5.0 earthquake struck 86 km NNE of Neiafu, Tonga on Fri, Dec 19, 1975, 12:42 AM GMT+13 (11:42 UTC), 34 km (21 mi) below the surface.

Nuku‘alofa forecastMore in Tonga

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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
5.0 (mb), moderate
Local time
UTC
1975-12-18 11:42:46 UTC
Depth
34.0 km (21.1 mi), shallow
Epicenter
17.948° S, 173.617° 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
12

Nearest places

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

Nearby

Within 100 km, magnitude 2.0 and up: 1 in the 60 days after this one and 3 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0000dys. Read Tue, Sep 22, 2026, 8:44 AM UTC.