Tonga earthquakes

M6.6 earthquake 248 km S of ‘Ohonua, Tonga

A magnitude 6.6 earthquake struck 248 km S of ‘Ohonua, Tonga on Wed, Nov 14, 1979, 9:43 AM GMT+13 (20:43 UTC), 32 km (20 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
6.6 (ms), strong
Local time
UTC
1979-11-13 20:43:38 UTC
Depth
32.0 km (19.9 mi), shallow
Epicenter
23.576° S, 174.858° 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
CONSTRAINED_BY_DEPTH_PHASES
Stations used
153

Nearest places

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

Nearby

Within 100 km, magnitude 2.5 and up: 4 in the 60 days after this one and 0 in the 30 days before it.

After

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0001407 (also filed as gcmtc111379a, gcmt19791113204338, iscgem655612). Read Tue, Sep 22, 2026, 6:38 AM UTC.