M4.3 earthquake 138 km WSW of Houma, Tonga
A magnitude 4.3 earthquake struck 138 km WSW of Houma, Tonga on Sun, Apr 27, 2025, 11:33 AM GMT+13 (22:33 UTC), 234 km (145 mi) below the surface.
A larger quake followed: M5.2 131 km SSW 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
- 4.3 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2025-04-26 22:33:28 UTC
- Depth
- 233.6 km (145.1 mi), intermediate-depth
- Epicenter
- 21.650° S, 176.537° 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 16.0 km horizontally, 9.7 km in depth
- Magnitude uncertainty
- ±0.09
- Depth from
- From location
- Station coverage gap
- 156°
- Stations used
- 36
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 2 in the 30 days before it.
After
- 4.2173 km W of Houma, Tonga · 501 days ago · 330 km deep · 83 km away
- 5.2131 km SSW of Houma, Tonga · 492 days ago · 79 km deep · 91 km away
- 4.7107 km WSW of Houma, Tonga · 478 days ago · 110 km deep · 32 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us7000pvae. Read Sun, Oct 4, 2026, 5:33 PM UTC.