Tonga earthquakes

M6.0 earthquake 108 km ENE of ‘Ohonua, Tonga

A magnitude 6.0 earthquake struck 108 km ENE of ‘Ohonua, Tonga on Mon, May 19, 1975, 12:53 PM GMT+13 (23:53 UTC), 43 km (27 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
6.0 (ms), strong
Local time
UTC
1975-05-18 23:53:53 UTC
Depth
43.0 km (26.7 mi), shallow
Epicenter
20.965° S, 173.985° 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
73

Nearest places

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

Nearby

Within 100 km, magnitude 3.0 and up: 10 in the 60 days after this one and 2 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0000b2v (also filed as iscgem729134). Read Tue, Sep 29, 2026, 3:53 AM UTC.