M4.2 earthquake 134 km SSE of Pangai, Tonga
A magnitude 4.2 earthquake struck 134 km SSE of Pangai, Tonga on Mon, Jan 23, 2023, 2:59 PM GMT+13 (01:59 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M4.7 88 km E 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
- 4.2 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2023-01-23 01:59:26 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 20.877° S, 173.736° 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 4.5 km horizontally, 1.9 km in depth
- Magnitude uncertainty
- ±0.30
- Depth from
- Operator assigned
- Station coverage gap
- 143°
- Stations used
- 14
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 3 in the 60 days after this one and 3 in the 30 days before it.
After
- 4.788 km E of ‘Ohonua, Tonga · 1311 days ago · 10 km deep · 57 km away
- 4.698 km E of ‘Ohonua, Tonga · 1311 days ago · 10 km deep · 57 km away
- 4.5118 km E of ‘Ohonua, Tonga · 1299 days ago · 10 km deep · 70 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000jlx1. Read Sat, Oct 3, 2026, 5:55 PM UTC.