M4.1 earthquake 278 km WSW of Haveluloto, Tonga
A magnitude 4.1 earthquake struck 278 km WSW of Haveluloto, Tonga on Fri, Jan 29, 2016, 7:31 AM GMT+13 (18:31 UTC), 343 km (213 mi) below the surface.
A larger quake followed: M4.6 299 km W of Haveluloto, 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
- 2016-01-28 18:31:08 UTC
- Depth
- 343.3 km (213.3 mi), deep
- Epicenter
- 21.824° S, 177.807° 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 13.7 km horizontally, 10.8 km in depth
- Magnitude uncertainty
- ±0.15
- 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: 7 in the 60 days after this one and 0 in the 30 days before it.
After
- 4.4Fiji region · 3895 days ago · 585 km deep · 86 km away
- 4.3281 km W of Haveluloto, Tonga · 3884 days ago · 403 km deep · 58 km away
- 4.6299 km W of Haveluloto, Tonga · 3880 days ago · 458 km deep · 60 km away
- 4.2288 km WSW of Haveluloto, Tonga · 3864 days ago · 558 km deep · 10 km away
- 4.3251 km W of Haveluloto, Tonga · 3849 days ago · 394 km deep · 45 km away
- 4.6south of the Fiji Islands · 3848 days ago · 405 km deep · 88 km away
- 4.1250 km WSW of Haveluloto, Tonga · 3846 days ago · 399 km deep · 30 km away
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us20004wlp. Read Fri, Oct 2, 2026, 11:19 AM UTC.