M4.7 earthquake 100 km SW of ‘Ohonua, Tonga
A magnitude 4.7 earthquake struck 100 km SW of ‘Ohonua, Tonga on Tue, Jan 24, 2023, 7:15 PM GMT+13 (06:15 UTC), 45 km (28 mi) below the surface.
A larger quake followed: M4.9 139 km S of ‘Ohonua, 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, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2023-01-24 06:15:58 UTC
- Depth
- 44.9 km (27.9 mi), shallow
- Epicenter
- 22.080° S, 175.503° 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 10.8 km horizontally, 7.7 km in depth
- Magnitude uncertainty
- ±0.06
- Depth from
- From location
- Station coverage gap
- 123°
- Stations used
- 40
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.7 and up: 2 in the 60 days after this one and 4 in the 30 days before it.
After
- 4.7106 km SSW of ‘Ohonua, Tonga · 1328 days ago · 60 km deep · 17 km away
- 4.9139 km S of ‘Ohonua, Tonga · 1312 days ago · 10 km deep · 73 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000jiv5. Read Fri, Oct 2, 2026, 5:17 PM UTC.