Tonga earthquakes

M5.0 earthquake 288 km WNW of Haveluloto, Tonga

A magnitude 5.0 earthquake struck 288 km WNW of Haveluloto, Tonga on Sat, Jun 30, 1973, 6:24 PM GMT+13 (05:24 UTC), 576 km (358 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
1973-06-30 05:24:10 UTC
Depth
576.0 km (357.9 mi), deep
Epicenter
19.867° S, 177.624° 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
37

Nearest places

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

Nearby

Within 100 km, magnitude 2.0 and up: 2 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 usp00002fu. Read Tue, Sep 22, 2026, 10:55 AM UTC.