M4.2 earthquake 173 km W of Houma, Tonga
A magnitude 4.2 earthquake struck 173 km W of Houma, Tonga on Thu, May 22, 2025, 6:41 PM GMT+13 (05:41 UTC), 330 km (205 mi) below the surface.
A larger quake followed: M4.7 107 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
- 4.2 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2025-05-22 05:41:47 UTC
- Depth
- 330.2 km (205.2 mi), deep
- Epicenter
- 21.016° S, 176.962° 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, 8.1 km in depth
- Magnitude uncertainty
- ±0.17
- Depth from
- From location
- Station coverage gap
- 105°
- Stations used
- 13
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
- 4.0272 km W of Houma, Tonga · 494 days ago · 425 km deep · 99 km away
- 4.7107 km WSW of Houma, Tonga · 478 days ago · 110 km deep · 86 km away
- 4.2151 km WSW of Houma, Tonga · 445 days ago · 199 km deep · 91 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000qi6e. Read Sun, Oct 4, 2026, 5:35 AM UTC.