M4.5 earthquake 146 km WNW of Neiafu, Tonga
A magnitude 4.5 earthquake struck 146 km WNW of Neiafu, Tonga on Sat, Oct 8, 2016, 8:49 AM GMT+13 (19:49 UTC), 201 km (125 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
- 4.5 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2016-10-07 19:49:00 UTC
- Depth
- 201.4 km (125.1 mi), intermediate-depth
- Epicenter
- 18.020° S, 175.206° 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 8.2 km horizontally, 14.4 km in depth
- Magnitude uncertainty
- ±0.12
- Depth from
- From location
- Station coverage gap
- 120°
- Stations used
- 30
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 5 in the 60 days after this one and 3 in the 30 days before it.
After
- 4.3208 km NW of Neiafu, Tonga · 3638 days ago · 10 km deep · 78 km away
- 4.4162 km WNW of Neiafu, Tonga · 3628 days ago · 225 km deep · 16 km away
- 4.8154 km NW of Neiafu, Tonga · 3625 days ago · 211 km deep · 29 km away
- 4.1166 km NW of Neiafu, Tonga · 3618 days ago · 247 km deep · 77 km away
- 4.1112 km NW of Neiafu, Tonga · 3590 days ago · 223 km deep · 48 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us20007dw3. Read Sun, Oct 4, 2026, 8:06 AM UTC.