M4.8 earthquake 32 km SW of Hihifo, Tonga
A magnitude 4.8 earthquake struck 32 km SW of Hihifo, Tonga on Sat, Dec 27, 1975, 3:56 AM GMT-11 (14:56 UTC), 173 km (107 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.8 (mb), light
- Local time
- UTC
- 1975-12-27 14:56:39 UTC
- Depth
- 173.0 km (107.5 mi), intermediate-depth
- Epicenter
- 16.186° S, 173.976° 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
- 15
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.8 and up: 2 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.741 km NW of Hihifo, Tonga · 18532 days ago · 33 km deep · 55 km away
- 4.424 km ENE of Hihifo, Tonga · 18531 days ago · 33 km deep · 54 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000e3w. Read Tue, Sep 22, 2026, 8:58 AM UTC.