M5.5 earthquake 153 km W of Hihifo, Tonga
A magnitude 5.5 earthquake struck 153 km W of Hihifo, Tonga on Sun, Feb 1, 1976, 3:45 PM GMT-12 (03:45 UTC), 328 km (204 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.5 (mb), moderate
- Local time
- UTC
- 1976-02-02 03:45:53 UTC
- Depth
- 328.0 km (203.8 mi), deep
- Epicenter
- 16.011° S, 175.232° 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
- 75
Nearby
Within 100 km, magnitude 2.5 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 usp0000evw (also filed as iscgem717381). Read Tue, Sep 29, 2026, 12:47 AM UTC.