M4.6 earthquake 92 km NNE of Hihifo, Tonga
A magnitude 4.6 earthquake struck 92 km NNE of Hihifo, Tonga on Mon, Mar 8, 1982, 1:38 PM GMT-11 (00:38 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M6.0 88 km ENE 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
- 1982-03-09 00:38:59 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 15.149° S, 173.582° 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: 3 in the 60 days after this one and 5 in the 30 days before it.
After
- 4.442 km NNE of Hihifo, Tonga · 16265 days ago · 71 km deep · 51 km away
- 6.088 km ENE of Hihifo, Tonga · 16231 days ago · 33 km deep · 96 km away
- 4.461 km NE of Hihifo, Tonga · 16231 days ago · 33 km deep · 47 km away
Before
- 4.882 km NNW of Hihifo, Tonga · 16272 days ago · 33 km deep · 63 km away
- 4.8125 km N of Hihifo, Tonga · 16278 days ago · 33 km deep · 41 km away
- 4.5148 km SW of Asau, Samoa · 16279 days ago · 33 km deep · 68 km away
- 4.534 km ENE of Hihifo, Tonga · 16280 days ago · 33 km deep · 75 km away
- 4.889 km NNE of Hihifo, Tonga · 16283 days ago · 33 km deep · 4 km away
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001k1b. Read Wed, Sep 23, 2026, 2:07 PM UTC.