M4.2 earthquake 139 km WNW of Neiafu, Tonga
A magnitude 4.2 earthquake struck 139 km WNW of Neiafu, Tonga on Mon, Feb 5, 2018, 9:58 PM GMT+13 (08:58 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M5.2 51 km W 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
- 2018-02-05 08:58:28 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 18.122° S, 175.180° 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
- ±0.22
- Depth from
- Operator assigned
- Station coverage gap
- 153°
- Stations used
- 9
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 7 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.4155 km NW of Pangai, Tonga · 3153 days ago · 193 km deep · 93 km away
- 4.6157 km WNW of Neiafu, Tonga · 3136 days ago · 220 km deep · 36 km away
- 5.251 km W of Neiafu, Tonga · 3128 days ago · 81 km deep · 93 km away
- 4.1137 km NW of Neiafu, Tonga · 3114 days ago · 226 km deep · 24 km away
- 4.5184 km NW of Neiafu, Tonga · 3106 days ago · 228 km deep · 86 km away
- 4.2107 km WNW of Neiafu, Tonga · 3105 days ago · 180 km deep · 40 km away
- 4.6143 km W of Neiafu, Tonga · 3105 days ago · 195 km deep · 86 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000d2q1. Read Thu, Oct 1, 2026, 4:37 PM UTC.