M4.8 earthquake 15 km SSW of Pangai, Tonga
A magnitude 4.8 earthquake struck 15 km SSW of Pangai, Tonga on Tue, Jan 3, 2023, 3:46 AM GMT+13 (14:46 UTC), 63 km (39 mi) below the surface.
A larger quake followed: M5.2 86 km W of Pangai, Tonga. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.8 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2023-01-02 14:46:16 UTC
- Depth
- 63.2 km (39.2 mi), shallow
- Epicenter
- 19.951° S, 174.387° 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 6.0 km horizontally, 8.0 km in depth
- Magnitude uncertainty
- ±0.17
- Depth from
- From location
- Station coverage gap
- 82°
- Stations used
- 17
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.8 and up: 2 in the 60 days after this one and 2 in the 30 days before it.
After
- 5.0102 km NE of ‘Ohonua, Tonga · 1350 days ago · 19 km deep · 100 km away
- 5.286 km W of Pangai, Tonga · 1326 days ago · 155 km deep · 83 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us7000j1m9. Read Fri, Oct 2, 2026, 9:17 PM UTC.