M4.3 earthquake 125 km N of Neiafu, Tonga
A magnitude 4.3 earthquake struck 125 km N of Neiafu, Tonga on Thu, Jan 19, 2023, 8:59 PM GMT-12 (08:59 UTC), 129 km (80 mi) below the surface.
A larger quake followed: M4.8 Tonga. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.3 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2023-01-20 08:59:38 UTC
- Depth
- 129.2 km (80.3 mi), intermediate-depth
- Epicenter
- 17.529° S, 173.831° 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.
- Location uncertainty
- About 7.1 km horizontally, 8.3 km in depth
- Magnitude uncertainty
- ±0.19
- Depth from
- From location
- Station coverage gap
- 75°
- Stations used
- 16
Nearby
Within 100 km, magnitude 1.5 and up: 7 in the 60 days after this one and 3 in the 30 days before it.
After
- 4.747 km NNE of Neiafu, Tonga · 1345 days ago · 69 km deep · 84 km away
- 4.697 km NNE of Neiafu, Tonga · 1335 days ago · 35 km deep · 47 km away
- 4.8Tonga · 1333 days ago · 82 km deep · 94 km away
- 4.579 km SSW of Hihifo, Tonga · 1327 days ago · 120 km deep · 99 km away
- 4.5127 km NNW of Neiafu, Tonga · 1321 days ago · 120 km deep · 65 km away
- 4.594 km NNW of Neiafu, Tonga · 1297 days ago · 126 km deep · 79 km away
- 4.3118 km S of Hihifo, Tonga · 1292 days ago · 127 km deep · 56 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000jjp3. Read Fri, Oct 2, 2026, 11:44 AM UTC.