Tonga earthquakes

M6.0 earthquake 162 km WNW of Pangai, Tonga

A magnitude 6.0 earthquake struck 162 km WNW of Pangai, Tonga on Mon, Dec 1, 1980, 1:24 AM GMT+13 (12:24 UTC), 202 km (126 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
6.0 (mb, body-wave), strong
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
1980-11-30 12:24:39 UTC
Depth
202.0 km (125.5 mi), intermediate-depth
Epicenter
19.426° S, 175.850° W
Region
Tonga
Tsunami flag
No
Status
Reviewed by a seismologist

Magnitude estimates

Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.

Mag.ScaleComputed byNotes
6.0mb, body-waveUSGS National Earthquake Information CenterPreferred · Reviewed
6.29Mw, momentISC-GEM global catalogFinal · ±0.1
6.3Mwc, centroid momentGlobal CMT projectPreliminary

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
262

Nearest places

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

Nearby

Within 100 km, magnitude 3.0 and up: 1 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 usp0001b3u (also filed as gcmtb113080a, gcmt19801130122439, iscgem636391). Read Thu, Oct 1, 2026, 5:57 AM UTC.