M4.6 earthquake 151 km SSW of Hihifo, Tonga
A magnitude 4.6 earthquake struck 151 km SSW of Hihifo, Tonga on Wed, Jan 6, 1982, 10:31 PM GMT-12 (10:31 UTC), 147 km (91 mi) below the surface.
A larger quake followed: M4.7 Tonga. This one was a foreshock.
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
- 1982-01-07 10:31:13 UTC
- Depth
- 147.2 km (91.5 mi), intermediate-depth
- Epicenter
- 17.130° S, 174.527° 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
- FROM_LOCATION
Nearby
Within 100 km, magnitude 1.6 and up: 1 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 usp0001hxe. Read Tue, Sep 22, 2026, 8:42 AM UTC.