Tonga earthquakes

M4.5 earthquake 153 km W of Pangai, Tonga

A magnitude 4.5 earthquake struck 153 km W of Pangai, Tonga on Fri, Aug 27, 1976, 6:11 PM GMT+13 (05:11 UTC), 272 km (169 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
4.5 (mb), light
Local time
UTC
1976-08-27 05:11:49 UTC
Depth
272.0 km (169.0 mi), intermediate-depth
Epicenter
19.567° S, 175.799° 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
9

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 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 usp0000j2d. Read Sun, Sep 27, 2026, 9:58 PM UTC.