Tonga earthquakes

M5.4 earthquake 96 km ESE of Neiafu, Tonga

A magnitude 5.4 earthquake struck 96 km ESE of Neiafu, Tonga on Sun, Jul 8, 1979, 11:20 AM GMT+13 (22:20 UTC), 33 km (21 mi) below the surface.

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Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
5.4 (ms), moderate
Local time
UTC
1979-07-07 22:20:27 UTC
Depth
33.0 km (20.5 mi), shallow
Epicenter
19.012° S, 173.148° 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.

Depth from
OPERATOR_ASSIGNED
Stations used
72

Nearest places

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

Nearby

Within 100 km, magnitude 2.4 and up: 1 in the 60 days after this one and 1 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp00011rs (also filed as iscgem661484). Read Tue, Sep 22, 2026, 9:43 PM UTC.