M4.4 earthquake 31 km N of Neiafu, Tonga
A magnitude 4.4 earthquake struck 31 km N of Neiafu, Tonga on Wed, Sep 6, 2017, 6:55 AM GMT+13 (17:55 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M4.6 38 km NW 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
- 4.4 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2017-09-05 17:55:09 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 18.369° S, 174.030° 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 12.5 km horizontally, 1.9 km in depth
- Magnitude uncertainty
- ±0.17
- Depth from
- Operator assigned
- Station coverage gap
- 123°
- Stations used
- 16
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 3 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.638 km NW of Neiafu, Tonga · 3292 days ago · 131 km deep · 17 km away
- 4.3127 km N of Neiafu, Tonga · 3281 days ago · 145 km deep · 96 km away
- 4.544 km NNE of Neiafu, Tonga · 3256 days ago · 47 km deep · 27 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000arp3. Read Thu, Oct 1, 2026, 11:22 PM UTC.