M5.5 earthquake 66 km S of ‘Ohonua, Tonga
A magnitude 5.5 earthquake struck 66 km S of ‘Ohonua, Tonga on Tue, May 4, 1976, 9:30 PM GMT+13 (08:30 UTC), 54 km (34 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.5 (ms), moderate
- Local time
- UTC
- 1976-05-04 08:30:07 UTC
- Depth
- 54.0 km (33.6 mi), shallow
- Epicenter
- 21.928° S, 175.033° 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
- 32
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.5 and up: 1 in the 60 days after this one and 0 in the 30 days before it.
After
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000g4x. Read Wed, Sep 30, 2026, 11:47 AM UTC.