M4.2 earthquake 169 km NW of Neiafu, Tonga
A magnitude 4.2 earthquake struck 169 km NW of Neiafu, Tonga on Sat, Dec 5, 2015, 2:24 PM GMT+13 (01:24 UTC), 209 km (130 mi) below the surface.
A larger quake followed: M5.2 118 km NNW 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
- 4.2 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2015-12-05 01:24:53 UTC
- Depth
- 208.6 km (129.6 mi), intermediate-depth
- Epicenter
- 17.679° S, 175.224° 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 13.4 km horizontally, 9.3 km in depth
- Magnitude uncertainty
- ±0.19
- Depth from
- From location
- Station coverage gap
- 90°
- Stations used
- 15
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 6 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.6151 km W of Neiafu, Tonga · 3956 days ago · 217 km deep · 96 km away
- 5.2118 km NNW of Neiafu, Tonga · 3955 days ago · 10 km deep · 89 km away
- 4.5117 km WNW of Neiafu, Tonga · 3951 days ago · 167 km deep · 59 km away
- 5.0111 km WNW of Neiafu, Tonga · 3941 days ago · 198 km deep · 63 km away
- 4.6166 km NW of Neiafu, Tonga · 3928 days ago · 22 km deep · 33 km away
- 4.5129 km NW of Neiafu, Tonga · 3899 days ago · 149 km deep · 45 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us20004fs1. Read Mon, Oct 5, 2026, 11:56 AM UTC.