M4.5 earthquake 217 km WNW of Neiafu, Tonga
A magnitude 4.5 earthquake struck 217 km WNW of Neiafu, Tonga on Tue, Dec 4, 2018, 5:23 PM GMT+13 (04:23 UTC), 165 km (103 mi) below the surface.
A larger quake followed: M5.0 161 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
- 4.5 (mb), light
- Local time
- UTC
- 2018-12-04 04:23:44 UTC
- Depth
- 165.3 km (102.7 mi), intermediate-depth
- Epicenter
- 17.596° S, 175.721° 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 13.5 km horizontally, 13.7 km in depth
- Magnitude uncertainty
- ±0.15
- Depth from
- From location
- Station coverage gap
- 94°
- Stations used
- 17
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 0 in the 30 days before it.
After
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us1000i4a9. Read Tue, Sep 29, 2026, 7:45 PM UTC.