M4.4 earthquake 43 km N of Neiafu, Tonga
A magnitude 4.4 earthquake struck 43 km N of Neiafu, Tonga on Sat, Jan 6, 2018, 9:19 AM GMT+13 (20:19 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M5.0 28 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
- 4.4 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2018-01-05 20:19:56 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 18.263° S, 173.952° 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 15.8 km horizontally, 2.0 km in depth
- Magnitude uncertainty
- ±0.20
- Depth from
- Operator assigned
- Station coverage gap
- 205°, poorly surrounded by stations
- 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: 4 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.675 km ENE of Neiafu, Tonga · 3188 days ago · 10 km deep · 73 km away
- 4.359 km NNE of Neiafu, Tonga · 3180 days ago · 10 km deep · 18 km away
- 5.028 km E of Neiafu, Tonga · 3164 days ago · 10 km deep · 45 km away · felt by 1
- 4.280 km N of Neiafu, Tonga · 3136 days ago · 10 km deep · 38 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000cl5b. Read Fri, Oct 2, 2026, 11:33 AM UTC.