M4.7 earthquake 104 km N of Neiafu, Tonga
A magnitude 4.7 earthquake struck 104 km N of Neiafu, Tonga on Mon, Oct 29, 2018, 11:56 AM GMT+13 (22:56 UTC), 104 km (65 mi) below the surface.
A larger quake followed: M5.7 148 km S of Hihifo, Tonga. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.7 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2018-10-28 22:56:35 UTC
- Depth
- 104.4 km (64.9 mi), intermediate-depth
- Epicenter
- 17.722° S, 174.166° 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 13.9 km horizontally, 3.9 km in depth
- Magnitude uncertainty
- ±0.10
- Depth from
- From location
- Station coverage gap
- 71°
- Stations used
- 33
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.7 and up: 5 in the 60 days after this one and 2 in the 30 days before it.
After
- 5.218 km NNE of Neiafu, Tonga · 2864 days ago · 10 km deep · 89 km away
- 4.994 km NW of Neiafu, Tonga · 2859 days ago · 230 km deep · 77 km away
- 4.766 km NNE of Neiafu, Tonga · 2847 days ago · 36 km deep · 54 km away · felt by 1
- 4.7137 km SSW of Hihifo, Tonga · 2839 days ago · 140 km deep · 76 km away
- 5.7148 km S of Hihifo, Tonga · 2837 days ago · 120 km deep · 52 km away · felt by 1
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000i600. Read Sat, Oct 3, 2026, 1:38 AM UTC.