M5.3 earthquake Tonga region
A magnitude 5.3 earthquake struck in the Tonga region on Fri, Mar 5, 1976, 9:20 PM GMT+13 (08:20 UTC), 33 km (21 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.3 (mb), moderate
- Local time
- UTC
- 1976-03-05 08:20:09 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 21.776° S, 171.546° 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
- OPERATOR_ASSIGNED
- Stations used
- 8
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.3 and up: 0 in the 60 days after this one and 0 in the 30 days before it.
None recorded.
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000fau. Read Sun, Sep 27, 2026, 9:58 PM UTC.