M4.3 earthquake 155 km W of Neiafu, Tonga
A magnitude 4.3 earthquake struck 155 km W of Neiafu, Tonga on Sat, Jan 6, 2018, 10:00 AM GMT+13 (21:00 UTC), 193 km (120 mi) below the surface.
A larger quake followed: M4.6 158 km W 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
- 4.3 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2018-01-05 21:00:16 UTC
- Depth
- 192.6 km (119.7 mi), intermediate-depth
- Epicenter
- 18.477° S, 175.448° 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 15.3 km horizontally, 14.3 km in depth
- Magnitude uncertainty
- ±0.19
- Depth from
- From location
- Station coverage gap
- 138°
- 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: 5 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.6158 km W of Neiafu, Tonga · 3168 days ago · 173 km deep · 42 km away
- 4.2139 km WNW of Neiafu, Tonga · 3160 days ago · 10 km deep · 49 km away
- 4.4155 km NW of Pangai, Tonga · 3152 days ago · 193 km deep · 48 km away
- 4.6157 km WNW of Neiafu, Tonga · 3136 days ago · 220 km deep · 15 km away
- 4.3155 km NW of Pangai, Tonga · 3135 days ago · 283 km deep · 55 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000cl5c. Read Thu, Oct 1, 2026, 2:35 PM UTC.