M4.6 earthquake 229 km S of ‘Ohonua, Tonga
A magnitude 4.6 earthquake struck 229 km S of ‘Ohonua, Tonga on Fri, Dec 3, 2021, 10:05 PM GMT+13 (09:05 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M5.1 256 km S of ‘Ohonua, Tonga. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.6 (mb), light
- Local time
- UTC
- 2021-12-03 09:05:25 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 23.400° S, 174.752° 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 7.1 km horizontally, 1.9 km in depth
- Magnitude uncertainty
- ±0.13
- Depth from
- Operator assigned
- Station coverage gap
- 96°
- Stations used
- 24
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.6 and up: 8 in the 60 days after this one and 4 in the 30 days before it.
After
- 4.9220 km S of ‘Ohonua, Tonga · 1762 days ago · 10 km deep · 64 km away
- 4.7274 km S of ‘Ohonua, Tonga · 1761 days ago · 10 km deep · 45 km away
- 4.6282 km S of ‘Ohonua, Tonga · 1758 days ago · 10 km deep · 69 km away
- 5.1256 km S of ‘Ohonua, Tonga · 1755 days ago · 10 km deep · 58 km away
- 4.6260 km SSW of ‘Ohonua, Tonga · 1742 days ago · 35 km deep · 98 km away
- 4.4264 km S of ‘Ohonua, Tonga · 1741 days ago · 10 km deep · 67 km away
- 4.9211 km S of ‘Ohonua, Tonga · 1739 days ago · 10 km deep · 56 km away
- 5.0150 km S of ‘Ohonua, Tonga · 1723 days ago · 10 km deep · 80 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000gahj. Read Wed, Sep 30, 2026, 3:04 AM UTC.