M4.7 earthquake 100 km SW of Houma, Tonga
A magnitude 4.7 earthquake struck 100 km SW of Houma, Tonga on Fri, Dec 29, 2023, 1:50 PM GMT+13 (00:50 UTC), 146 km (91 mi) below the surface.
A larger quake followed: M5.8 116 km WSW of Houma, 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
- 2023-12-29 00:50:00 UTC
- Depth
- 146.0 km (90.7 mi), intermediate-depth
- Epicenter
- 21.874° S, 175.916° 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 10.2 km horizontally, 6.3 km in depth
- Magnitude uncertainty
- ±0.10
- Depth from
- From location
- Station coverage gap
- 81°
- Stations used
- 39
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 1 in the 30 days before it.
After
- 5.8116 km WSW of Houma, Tonga · 989 days ago · 155 km deep · 49 km away · felt by 3
- 4.5120 km SW of Houma, Tonga · 959 days ago · 135 km deep · 21 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000m0az. Read Sat, Oct 3, 2026, 9:21 AM UTC.