M4.6 earthquake 215 km NW of Houma, Tonga
A magnitude 4.6 earthquake struck 215 km NW of Houma, Tonga on Tue, Jul 29, 2025, 3:21 PM GMT+13 (02:21 UTC), 308 km (192 mi) below the surface.
A larger quake followed: M4.8 145 km NNW 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
- 4.6 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2025-07-29 02:21:28 UTC
- Depth
- 308.3 km (191.5 mi), deep
- Epicenter
- 19.564° S, 176.472° 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 11.5 km horizontally, 5.5 km in depth
- Magnitude uncertainty
- ±0.07
- Depth from
- From location
- Station coverage gap
- 47°
- Stations used
- 89
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.6 and up: 1 in the 60 days after this one and 2 in the 30 days before it.
After
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000qvv3. Read Sat, Oct 3, 2026, 3:05 PM UTC.