M4.8 earthquake 40 km ENE of Neiafu, Tonga
A magnitude 4.8 earthquake struck 40 km ENE of Neiafu, Tonga on Wed, Dec 29, 2021, 3:08 AM GMT+13 (14:08 UTC), 29 km (18 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.8 (mb), light
- Local time
- UTC
- 2021-12-28 14:08:43 UTC
- Depth
- 29.0 km (18.0 mi), shallow
- Epicenter
- 18.579° S, 173.612° 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 12.0 km horizontally, 6.5 km in depth
- Magnitude uncertainty
- ±0.15
- Depth from
- From location
- Station coverage gap
- 124°
- Stations used
- 26
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.8 and up: 5 in the 60 days after this one and 3 in the 30 days before it.
After
- 4.668 km NNW of Neiafu, Tonga · 1732 days ago · 85 km deep · 86 km away
- 4.270 km NNW of Neiafu, Tonga · 1730 days ago · 138 km deep · 92 km away
- 4.643 km NE of Neiafu, Tonga · 1723 days ago · 35 km deep · 29 km away
- 4.892 km NE of Neiafu, Tonga · 1712 days ago · 35 km deep · 69 km away
- 4.346 km NW of Neiafu, Tonga · 1691 days ago · 190 km deep · 77 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us7000g9yg. Read Wed, Sep 30, 2026, 11:59 AM UTC.