Tonga earthquakes

M5.0 earthquake 9 km NNE of Neiafu, Tonga

A magnitude 5.0 earthquake struck 9 km NNE of Neiafu, Tonga on Fri, Aug 17, 1979, 3:15 PM GMT+13 (02:15 UTC), 57 km (35 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
5.0 (mb), moderate
Local time
UTC
1979-08-17 02:15:09 UTC
Depth
57.0 km (35.4 mi), shallow
Epicenter
18.569° S, 173.955° 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
11

Nearest places

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

Nearby

Within 100 km, magnitude 2.0 and up: 0 in the 60 days after this one and 1 in the 30 days before it.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp00012fu. Read Wed, Sep 30, 2026, 4:09 AM UTC.