M5.8 earthquake 113 km SSE of Hihifo, Tonga
A magnitude 5.8 earthquake struck 113 km SSE of Hihifo, Tonga on Tue, Dec 31, 1985, 3:04 AM GMT-11 (14:04 UTC), 16 km (10 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.8 (mw), moderate
- Local time
- UTC
- 1985-12-31 14:04:43 UTC
- Depth
- 16.4 km (10.2 mi), shallow
- Epicenter
- 16.954° S, 173.546° 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
- CONSTRAINED_BY_DEPTH_PHASES
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.5 and up: 3 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 usp0002pmt (also filed as gcmtb123185c, gcmt19851231140443, iscgem509899). Read Tue, Sep 22, 2026, 6:03 AM UTC.