M4.2 earthquake 98 km NW of Hihifo, Tonga
A magnitude 4.2 earthquake struck 98 km NW of Hihifo, Tonga on Wed, Dec 8, 2021, 3:10 AM GMT+13 (14:10 UTC), 214 km (133 mi) below the surface.
A larger quake followed: M5.2 13 km NNE 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
- 4.2 (mb), light
- Local time
- UTC
- 2021-12-07 14:10:58 UTC
- Depth
- 214.1 km (133.1 mi), intermediate-depth
- Epicenter
- 15.250° S, 174.361° 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 10.2 km horizontally, 7.2 km in depth
- Magnitude uncertainty
- ±0.12
- Depth from
- From location
- Station coverage gap
- 81°
- Stations used
- 36
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
- 4.5101 km NNW of Hihifo, Tonga · 1744 days ago · 10 km deep · 19 km away
- 4.4107 km N of Hihifo, Tonga · 1733 days ago · 10 km deep · 71 km away
- 5.213 km NNE of Hihifo, Tonga · 1709 days ago · 106 km deep · 94 km away · felt by 2
- 4.575 km N of Hihifo, Tonga · 1708 days ago · 35 km deep · 59 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000gb7v. Read Wed, Sep 30, 2026, 9:49 AM UTC.