M4.2 earthquake 112 km WNW of Houma, Tonga
A magnitude 4.2 earthquake struck 112 km WNW of Houma, Tonga on Sun, Mar 22, 2026, 11:32 AM GMT+13 (22:32 UTC), 218 km (136 mi) below the surface.
A larger quake followed: M5.2 121 km WNW 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
- 2026-03-21 22:32:15 UTC
- Depth
- 218.4 km (135.7 mi), intermediate-depth
- Epicenter
- 20.969° S, 176.361° 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 16.9 km horizontally, 9.5 km in depth
- Magnitude uncertainty
- ±0.15
- Depth from
- From location
- Station coverage gap
- 173°
- Stations used
- 16
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 2 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.1105 km NW of Houma, Tonga · 186 days ago · 206 km deep · 57 km away
- 5.2121 km WNW of Houma, Tonga · 165 days ago · 197 km deep · 35 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us7000s94p. Read Mon, Oct 5, 2026, 3:03 AM UTC.