M4.1 earthquake 146 km WNW of Neiafu, Tonga
A magnitude 4.1 earthquake struck 146 km WNW of Neiafu, Tonga on Thu, Nov 23, 2017, 6:37 PM GMT+13 (05:37 UTC), 216 km (134 mi) below the surface.
A larger quake followed: M4.6 152 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
- 2017-11-23 05:37:55 UTC
- Depth
- 216.1 km (134.3 mi), intermediate-depth
- Epicenter
- 18.072° S, 175.227° 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 14.0 km horizontally, 8.2 km in depth
- Magnitude uncertainty
- ±0.13
- Depth from
- From location
- Station coverage gap
- 130°
- Stations used
- 19
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 4 in the 30 days before it.
After
- 4.1243 km WNW of Neiafu, Tonga · 3215 days ago · 362 km deep · 98 km away
- 4.6152 km WNW of Neiafu, Tonga · 3194 days ago · 244 km deep · 18 km away
- 4.3155 km W of Neiafu, Tonga · 3190 days ago · 193 km deep · 51 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us1000bjt8. Read Thu, Oct 1, 2026, 8:13 AM UTC.