M4.3 earthquake 208 km NW of Neiafu, Tonga
A magnitude 4.3 earthquake struck 208 km NW of Neiafu, Tonga on Mon, Oct 17, 2016, 10:12 PM GMT-12 (10:12 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M4.8 154 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
- 4.3 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2016-10-18 10:12:05 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 17.348° S, 175.402° 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 8.3 km horizontally, 2.0 km in depth
- Magnitude uncertainty
- ±0.19
- Depth from
- Operator assigned
- Station coverage gap
- 147°
- Stations used
- 11
Nearby
Within 100 km, magnitude 1.5 and up: 6 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.4162 km WNW of Neiafu, Tonga · 3627 days ago · 225 km deep · 67 km away
- 4.8154 km NW of Neiafu, Tonga · 3624 days ago · 211 km deep · 56 km away
- 4.1166 km NW of Neiafu, Tonga · 3617 days ago · 247 km deep · 57 km away
- 4.4148 km SW of Hihifo, Tonga · 3603 days ago · 271 km deep · 84 km away
- 4.1112 km NW of Neiafu, Tonga · 3589 days ago · 223 km deep · 95 km away
- 4.7200 km NW of Neiafu, Tonga · 3584 days ago · 269 km deep · 24 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us20007gd0. Read Sat, Oct 3, 2026, 8:11 AM UTC.