M4.6 earthquake 97 km NNE of Neiafu, Tonga
A magnitude 4.6 earthquake struck 97 km NNE of Neiafu, Tonga on Sat, Feb 4, 2023, 3:00 PM GMT-12 (03:00 UTC), 35 km (22 mi) below the surface.
A larger quake followed: M5.1 99 km E of Neiafu, 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, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2023-02-05 03:00:01 UTC
- Depth
- 35.1 km (21.8 mi), shallow
- Epicenter
- 17.868° S, 173.563° 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 13.3 km horizontally, 8.0 km in depth
- Magnitude uncertainty
- ±0.21
- Depth from
- From location
- Station coverage gap
- 138°
- Stations used
- 15
Nearby
Within 100 km, magnitude 1.6 and up: 5 in the 60 days after this one and 2 in the 30 days before it.
After
- 5.199 km E of Neiafu, Tonga · 1325 days ago · 10 km deep · 91 km away
- 4.3157 km NE of Neiafu, Tonga · 1321 days ago · 10 km deep · 78 km away
- 4.5127 km NNW of Neiafu, Tonga · 1321 days ago · 120 km deep · 98 km away
- 4.594 km NNW of Neiafu, Tonga · 1297 days ago · 126 km deep · 94 km away
- 4.3118 km S of Hihifo, Tonga · 1292 days ago · 127 km deep · 100 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000jn3s. Read Fri, Oct 2, 2026, 5:28 PM UTC.