M4.3 earthquake 40 km SSE of ‘Ohonua, Tonga
A magnitude 4.3 earthquake struck 40 km SSE of ‘Ohonua, Tonga on Fri, Dec 7, 2018, 7:14 AM GMT+13 (18:14 UTC), 35 km (22 mi) below the surface.
A larger quake followed: M5.3 101 km E 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, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2018-12-06 18:14:13 UTC
- Depth
- 35.0 km (21.7 mi), shallow
- Epicenter
- 21.651° S, 174.763° 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 10.0 km horizontally, 2.0 km in depth
- Magnitude uncertainty
- ±0.19
- Depth from
- Operator assigned
- Station coverage gap
- 159°
- 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: 2 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.766 km SE of ‘Ohonua, Tonga · 2820 days ago · 35 km deep · 28 km away
- 5.3101 km E of ‘Ohonua, Tonga · 2820 days ago · 10 km deep · 86 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000isyp. Read Thu, Oct 1, 2026, 8:05 AM UTC.