M4.1 earthquake 143 km NW of Neiafu, Tonga
A magnitude 4.1 earthquake struck 143 km NW of Neiafu, Tonga on Thu, Jun 28, 2018, 12:15 PM GMT+13 (23:15 UTC), 233 km (145 mi) below the surface.
A larger quake followed: M4.6 94 km WNW 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
- 2018-06-27 23:15:28 UTC
- Depth
- 232.6 km (144.5 mi), intermediate-depth
- Epicenter
- 17.812° S, 175.014° 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 14.5 km horizontally, 10.8 km in depth
- Magnitude uncertainty
- ±0.16
- Depth from
- From location
- Station coverage gap
- 112°
- 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: 2 in the 60 days after this one and 3 in the 30 days before it.
After
- 4.694 km WNW of Neiafu, Tonga · 2982 days ago · 83 km deep · 72 km away
- 4.682 km NW of Neiafu, Tonga · 2978 days ago · 166 km deep · 60 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000fw1n. Read Thu, Oct 1, 2026, 9:45 PM UTC.