M4.3 earthquake 39 km ESE of Neiafu, Tonga
A magnitude 4.3 earthquake struck 39 km ESE of Neiafu, Tonga on Tue, Oct 4, 2016, 1:18 PM GMT+13 (00:18 UTC), 106 km (66 mi) below the surface.
A larger quake followed: M4.8 115 km E of Neiafu, 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
- 2016-10-04 00:18:31 UTC
- Depth
- 106.2 km (66.0 mi), intermediate-depth
- Epicenter
- 18.753° S, 173.628° 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 9.1 km horizontally, 16.1 km in depth
- Magnitude uncertainty
- ±0.13
- Depth from
- From location
- Station coverage gap
- 180°
- Stations used
- 23
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 4 in the 30 days before it.
After
- 4.8115 km E of Neiafu, Tonga · 3623 days ago · 35 km deep · 78 km away
- 4.358 km E of Neiafu, Tonga · 3594 days ago · 10 km deep · 22 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us20007dq9. Read Sun, Oct 4, 2026, 2:24 PM UTC.