M4.6 earthquake 78 km ESE of Hihifo, Tonga
A magnitude 4.6 earthquake struck 78 km ESE of Hihifo, Tonga on Wed, Nov 6, 1985, 1:31 PM GMT-11 (00:31 UTC), 50 km (31 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.6 (mb), light
- Local time
- UTC
- 1985-11-07 00:31:41 UTC
- Depth
- 49.7 km (30.9 mi), shallow
- Epicenter
- 16.120° S, 173.079° 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 1.6 and up: 0 in the 60 days after this one and 2 in the 30 days before it.
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002mh2. Read Wed, Sep 23, 2026, 5:06 AM UTC.