Tonga earthquakes

M5.0 earthquake 243 km W of Hihifo, Tonga

A magnitude 5.0 earthquake struck 243 km W of Hihifo, Tonga on Sat, Mar 24, 1979, 12:07 PM GMT-12 (00:07 UTC), 381 km (237 mi) below the surface.

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The earthquake

Magnitude
5.0 (mb), moderate
Local time
UTC
1979-03-25 00:07:07 UTC
Depth
381.0 km (236.7 mi), deep
Epicenter
16.285° S, 176.047° 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
56

Nearby

Within 100 km, magnitude 2.0 and up: 0 in the 60 days after this one and 0 in the 30 days before it.

None recorded.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0000znf. Read Wed, Sep 23, 2026, 3:22 AM UTC.