M4.3 earthquake 125 km W of Pangai, Tonga
A magnitude 4.3 earthquake struck 125 km W of Pangai, Tonga on Sun, Dec 3, 2017, 9:15 PM GMT+13 (08:15 UTC), 223 km (139 mi) below the surface.
A larger quake followed: M4.5 68 km WNW of Pangai, 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
- 2017-12-03 08:15:05 UTC
- Depth
- 223.4 km (138.8 mi), intermediate-depth
- Epicenter
- 19.828° S, 175.551° 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 15.2 km horizontally, 14.9 km in depth
- Magnitude uncertainty
- ±0.13
- Depth from
- From location
- Station coverage gap
- 123°
- Stations used
- 21
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
- 4.568 km WNW of Pangai, Tonga · 3209 days ago · 187 km deep · 63 km away
- 4.5122 km W of Pangai, Tonga · 3201 days ago · 203 km deep · 8 km away
- 4.5149 km W of Pangai, Tonga · 3195 days ago · 201 km deep · 25 km away
- 4.5151 km NW of Nuku‘alofa, Tonga · 3194 days ago · 214 km deep · 65 km away
- 4.5Tonga · 3186 days ago · 101 km deep · 90 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000c22z. Read Thu, Oct 1, 2026, 6:27 AM UTC.