M4.1 earthquake 139 km E of Neiafu, Tonga
A magnitude 4.1 earthquake struck 139 km E of Neiafu, Tonga on Fri, Mar 2, 2018, 11:11 AM GMT+13 (22:11 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M4.5 141 km E of Neiafu, Tonga. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.1 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2018-03-01 22:11:41 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 18.833° S, 172.678° 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 17.1 km horizontally, 1.9 km in depth
- Magnitude uncertainty
- ±0.16
- Depth from
- Operator assigned
- Station coverage gap
- 110°
- Stations used
- 15
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 1 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 us1000d282. Read Fri, Oct 2, 2026, 12:25 PM UTC.