M4.7 earthquake 135 km ENE of Hihifo, Tonga
A magnitude 4.7 earthquake struck 135 km ENE of Hihifo, Tonga on Wed, Jan 19, 1983, 2:58 AM GMT-11 (13:58 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M5.4 65 km NNE 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
- 4.7 (mb), light
- Local time
- UTC
- 1983-01-19 13:58:23 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 15.391° S, 172.673° 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 1.7 and up: 3 in the 60 days after this one and 3 in the 30 days before it.
After
- 5.465 km NNE of Hihifo, Tonga · 15945 days ago · 41 km deep · 86 km away
- 4.6127 km NE of Hihifo, Tonga · 15898 days ago · 33 km deep · 58 km away
- 4.7108 km NNE of Hihifo, Tonga · 15897 days ago · 33 km deep · 67 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001sdb. Read Tue, Sep 22, 2026, 4:14 PM UTC.