M4.6 earthquake 30 km NNW of Hihifo, Tonga
A magnitude 4.6 earthquake struck 30 km NNW of Hihifo, Tonga on Mon, Jul 12, 1982, 12:51 PM GMT-11 (23:51 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M4.8 80 km E 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
- 4.6 (mb), light
- Local time
- UTC
- 1982-07-12 23:51:37 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 15.689° S, 173.887° 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
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.6 and up: 8 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.880 km E of Hihifo, Tonga · 16133 days ago · 33 km deep · 97 km away
- 5.1101 km NE of Hihifo, Tonga · 16122 days ago · 33 km deep · 95 km away
- 4.95 km WSW of Hihifo, Tonga · 16121 days ago · 181 km deep · 33 km away
- 4.695 km N of Hihifo, Tonga · 16113 days ago · 33 km deep · 69 km away
- 6.3105 km NE of Hihifo, Tonga · 16089 days ago · 33 km deep · 96 km away
- 6.397 km NE of Hihifo, Tonga · 16089 days ago · 33 km deep · 93 km away
- 4.956 km S of Hihifo, Tonga · 16087 days ago · 213 km deep · 86 km away
- 5.285 km NNE of Hihifo, Tonga · 16085 days ago · 33 km deep · 65 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001nd3. Read Tue, Sep 22, 2026, 8:38 AM UTC.