M4.3 earthquake 143 km E of Hihifo, Tonga
A magnitude 4.3 earthquake struck 143 km E of Hihifo, Tonga on Thu, Dec 29, 2016, 12:20 PM GMT+14 (22:20 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M5.4 111 km NE of Hihifo, 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
- 2016-12-28 22:20:56 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 15.720° S, 172.476° 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 8.7 km horizontally, 1.9 km in depth
- Magnitude uncertainty
- ±0.20
- Depth from
- Operator assigned
- Station coverage gap
- 124°
- Stations used
- 11
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 3 in the 30 days before it.
After
- 5.096 km ENE of Hihifo, Tonga · 3542 days ago · 37 km deep · 54 km away
- 5.4111 km NE of Hihifo, Tonga · 3534 days ago · 37 km deep · 84 km away · felt by 4
- 4.689 km ESE of Hihifo, Tonga · 3524 days ago · 36 km deep · 77 km away
- 4.088 km ESE of Hihifo, Tonga · 3515 days ago · 10 km deep · 74 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us10007thx. Read Sat, Oct 3, 2026, 8:12 AM UTC.