M4.5 earthquake 79 km E of Neiafu, Tonga
A magnitude 4.5 earthquake struck 79 km E of Neiafu, Tonga on Thu, Jan 5, 2017, 6:38 AM GMT+14 (16:38 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M4.9 164 km ENE 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, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2017-01-04 16:38:59 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 18.658° S, 173.233° 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 10.4 km horizontally, 2.0 km in depth
- Magnitude uncertainty
- ±0.14
- Depth from
- Operator assigned
- Station coverage gap
- 99°
- 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: 1 in the 60 days after this one and 3 in the 30 days before it.
After
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us10007ugp. Read Sat, Oct 3, 2026, 3:33 AM UTC.