M5.2 earthquake 166 km SE of Hihifo, Tonga
A magnitude 5.2 earthquake struck 166 km SE of Hihifo, Tonga on Wed, Feb 4, 1976, 1:38 AM GMT-11 (12:38 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M5.3 135 km ESE of Hihifo, Tonga. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.2 (mb), moderate
- Local time
- UTC
- 1976-02-04 12:38:05 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 16.854° S, 172.544° 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
- 27
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.2 and up: 6 in the 60 days after this one and 4 in the 30 days before it.
After
- 5.3135 km ESE of Hihifo, Tonga · 18493 days ago · 33 km deep · 43 km away
- 5.0215 km ESE of Hihifo, Tonga · 18492 days ago · 33 km deep · 54 km away
- 4.7181 km ESE of Hihifo, Tonga · 18492 days ago · 33 km deep · 45 km away
- 4.7155 km ESE of Hihifo, Tonga · 18468 days ago · 33 km deep · 57 km away
- 4.2186 km ESE of Hihifo, Tonga · 18457 days ago · 33 km deep · 65 km away
- 4.9227 km ESE of Hihifo, Tonga · 18456 days ago · 33 km deep · 63 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000ex8. Read Tue, Sep 22, 2026, 7:50 AM UTC.