M4.3 earthquake 255 km W of Houma, Tonga
A magnitude 4.3 earthquake struck 255 km W of Houma, Tonga on Mon, Aug 31, 2026, 11:51 AM GMT+13 (22:51 UTC), 391 km (243 mi) below the surface.
A larger quake followed: M4.6 Fiji region. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.3 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2026-08-30 22:51:05 UTC
- Depth
- 390.8 km (242.8 mi), deep
- Epicenter
- 21.324° S, 177.754° 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 12.8 km horizontally, 6.7 km in depth
- Magnitude uncertainty
- ±0.10
- Depth from
- From location
- Station coverage gap
- 105°
- Stations used
- 48
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 2 since this one and 5 in the 30 days before it.
After
- 4.6Fiji region · 24 days ago · 502 km deep · 82 km away
- 4.3248 km W of Houma, Tonga · 39 hr ago · 434 km deep · 10 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us7000td13. Read Sat, Oct 3, 2026, 10:13 AM UTC.