M4.6 earthquake 158 km W of Neiafu, Tonga
A magnitude 4.6 earthquake struck 158 km W of Neiafu, Tonga on Sun, Jan 28, 2018, 7:10 PM GMT+13 (06:10 UTC), 173 km (108 mi) below the surface.
A larger quake followed: M4.7 148 km WNW of Pangai, Tonga. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.6 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2018-01-28 06:10:02 UTC
- Depth
- 173.3 km (107.7 mi), intermediate-depth
- Epicenter
- 18.852° S, 175.471° 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 12.2 km horizontally, 7.0 km in depth
- Magnitude uncertainty
- ±0.04
- Depth from
- From location
- Station coverage gap
- 87°
- Stations used
- 54
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.6 and up: 6 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.2139 km WNW of Neiafu, Tonga · 3160 days ago · 10 km deep · 87 km away
- 4.6118 km WNW of Pangai, Tonga · 3160 days ago · 139 km deep · 60 km away
- 4.4155 km NW of Pangai, Tonga · 3153 days ago · 193 km deep · 6 km away
- 4.6157 km WNW of Neiafu, Tonga · 3136 days ago · 220 km deep · 57 km away
- 4.3155 km NW of Pangai, Tonga · 3135 days ago · 283 km deep · 15 km away
- 4.7148 km WNW of Pangai, Tonga · 3131 days ago · 201 km deep · 38 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000cqkk. Read Thu, Oct 1, 2026, 4:38 PM UTC.