M4.5 earthquake 160 km WSW of Houma, Tonga
A magnitude 4.5 earthquake struck 160 km WSW of Houma, Tonga on Fri, Apr 17, 2026, 2:34 AM GMT+13 (13:34 UTC), 208 km (129 mi) below the surface.
A larger quake followed: M4.6 106 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
- 4.5 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2026-04-16 13:34:36 UTC
- Depth
- 208.0 km (129.3 mi), intermediate-depth
- Epicenter
- 21.815° S, 176.692° 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 15.2 km horizontally, 8.6 km in depth
- Magnitude uncertainty
- ±0.08
- Depth from
- From location
- Station coverage gap
- 166°
- Stations used
- 40
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 us6000ssk2. Read Mon, Oct 5, 2026, 7:38 AM UTC.