M4.5 earthquake 248 km WSW of Hihifo, Tonga
A magnitude 4.5 earthquake struck 248 km WSW of Hihifo, Tonga on Fri, Dec 29, 2017, 5:18 AM GMT-12 (17:18 UTC), 340 km (211 mi) below the surface.
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
- 2017-12-29 17:18:46 UTC
- Depth
- 340.0 km (211.3 mi), deep
- Epicenter
- 16.455° S, 176.057° 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 10.7 km horizontally, 6.6 km in depth
- Magnitude uncertainty
- ±0.05
- Depth from
- From location
- Station coverage gap
- 57°
- Stations used
- 135
Nearby
Within 100 km, magnitude 1.5 and up: 5 in the 60 days after this one and 0 in the 30 days before it.
After
- 4.3269 km W of Hihifo, Tonga · 3178 days ago · 367 km deep · 44 km away
- 4.2186 km W of Hihifo, Tonga · 3174 days ago · 305 km deep · 90 km away
- 4.2254 km W of Hihifo, Tonga · 3147 days ago · 346 km deep · 19 km away
- 4.1242 km W of Hihifo, Tonga · 3144 days ago · 305 km deep · 37 km away
- 4.0251 km SE of Alo, Wallis and Futuna · 3141 days ago · 357 km deep · 75 km away
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us1000bxrb. Read Sat, Oct 3, 2026, 2:59 AM UTC.