M4.3 earthquake 204 km SSW of ‘Ohonua, Tonga
A magnitude 4.3 earthquake struck 204 km SSW of ‘Ohonua, Tonga on Sun, Dec 5, 2021, 8:36 PM GMT+13 (07:36 UTC), 68 km (42 mi) below the surface.
A larger quake followed: M4.9 211 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
- 4.3 (mb), light
- Local time
- UTC
- 2021-12-05 07:36:02 UTC
- Depth
- 67.7 km (42.0 mi), shallow
- Epicenter
- 22.914° S, 175.967° 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 9.8 km horizontally, 9.9 km in depth
- Magnitude uncertainty
- ±0.12
- Depth from
- From location
- Station coverage gap
- 97°
- Stations used
- 26
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 5 in the 60 days after this one and 3 in the 30 days before it.
After
- 4.6157 km SW of Vaini, Tonga · 1759 days ago · 150 km deep · 73 km away
- 4.6260 km SSW of ‘Ohonua, Tonga · 1742 days ago · 35 km deep · 80 km away
- 4.9211 km S of ‘Ohonua, Tonga · 1739 days ago · 10 km deep · 80 km away
- 4.7286 km SSW of ‘Ohonua, Tonga · 1724 days ago · 35 km deep · 83 km away
- 4.5177 km SW of Vaini, Tonga · 1710 days ago · 10 km deep · 46 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000gawn. Read Tue, Sep 29, 2026, 5:17 PM UTC.