M4.3 earthquake 192 km WNW of Neiafu, Tonga
A magnitude 4.3 earthquake struck 192 km WNW of Neiafu, Tonga on Sat, Dec 8, 2018, 7:06 AM GMT+13 (18:06 UTC), 233 km (145 mi) below the surface.
A larger quake followed: M4.6 160 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), light
- Local time
- UTC
- 2018-12-07 18:06:27 UTC
- Depth
- 232.8 km (144.6 mi), intermediate-depth
- Epicenter
- 18.120° S, 175.719° 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, 13.6 km in depth
- Magnitude uncertainty
- ±0.13
- Depth from
- From location
- Station coverage gap
- 135°
- Stations used
- 26
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 2 in the 30 days before it.
After
- 4.5214 km NW of Pangai, Tonga · 2844 days ago · 288 km deep · 78 km away
- 4.3125 km W of Neiafu, Tonga · 2843 days ago · 250 km deep · 92 km away
- 4.3143 km WNW of Neiafu, Tonga · 2830 days ago · 221 km deep · 49 km away
- 4.6160 km W of Neiafu, Tonga · 2796 days ago · 251 km deep · 54 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000itac. Read Sat, Sep 26, 2026, 5:08 AM UTC.