M4.1 earthquake 86 km SSE of Pangai, Tonga
A magnitude 4.1 earthquake struck 86 km SSE of Pangai, Tonga on Sun, Dec 25, 2016, 10:18 AM GMT+14 (20:18 UTC), 35 km (22 mi) below the surface.
A larger quake followed: M4.8 121 km ESE 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
- 4.1 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2016-12-24 20:18:47 UTC
- Depth
- 35.0 km (21.7 mi), shallow
- Epicenter
- 20.497° S, 173.953° 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 8.0 km horizontally, 2.0 km in depth
- Magnitude uncertainty
- ±0.20
- Depth from
- Operator assigned
- Station coverage gap
- 114°
- Stations used
- 10
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
- 4.5136 km SSE of Pangai, Tonga · 3570 days ago · 10 km deep · 50 km away
- 4.8121 km ESE of Pangai, Tonga · 3550 days ago · 10 km deep · 91 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us10007sf9. Read Sun, Oct 4, 2026, 6:51 PM UTC.