M4.1 earthquake 243 km WNW of Neiafu, Tonga
A magnitude 4.1 earthquake struck 243 km WNW of Neiafu, Tonga on Wed, Dec 13, 2017, 7:10 AM GMT+13 (18:10 UTC), 362 km (225 mi) below the surface.
A larger quake followed: M4.8 225 km NW 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
- 2017-12-12 18:10:41 UTC
- Depth
- 361.7 km (224.8 mi), deep
- Epicenter
- 17.787° S, 176.104° 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 14.3 km horizontally, 18.0 km in depth
- Magnitude uncertainty
- ±0.13
- Depth from
- From location
- Station coverage gap
- 157°
- Stations used
- 18
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 2 in the 30 days before it.
After
- 4.3289 km WNW of Neiafu, Tonga · 3215 days ago · 10 km deep · 46 km away
- 4.6152 km WNW of Neiafu, Tonga · 3195 days ago · 244 km deep · 92 km away
- 4.8225 km NW of Neiafu, Tonga · 3157 days ago · 10 km deep · 89 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us1000bt57. Read Fri, Oct 2, 2026, 12:03 AM UTC.