M4.5 earthquake 30 km W of Houma, Tonga
A magnitude 4.5 earthquake struck 30 km W of Houma, Tonga on Sat, Jul 19, 2025, 7:20 PM GMT+13 (06:20 UTC), 125 km (78 mi) below the surface.
A larger quake followed: M5.0 54 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
- 4.5 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2025-07-19 06:20:17 UTC
- Depth
- 125.0 km (77.7 mi), intermediate-depth
- Epicenter
- 21.174° S, 175.595° W
- Region
- Tonga
- Felt reports
- 9
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
9 people reported to the USGS what they felt; the strongest reported shaking was IV, light shaking.
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 13.5 km horizontally, 6.9 km in depth
- Magnitude uncertainty
- ±0.11
- Depth from
- From location
- Station coverage gap
- 115°
- Stations used
- 33
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 0 in the 30 days before it.
After
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us7000qds0. Read Sun, Oct 4, 2026, 9:38 AM UTC.