M4.2 earthquake 107 km WNW of Neiafu, Tonga
A magnitude 4.2 earthquake struck 107 km WNW of Neiafu, Tonga on Sun, Apr 1, 2018, 6:10 PM GMT+13 (05:10 UTC), 180 km (112 mi) below the surface.
A larger quake followed: M4.9 67 km WNW 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
- 2018-04-01 05:10:32 UTC
- Depth
- 180.3 km (112.0 mi), intermediate-depth
- Epicenter
- 18.421° S, 174.971° 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 11.3 km horizontally, 6.8 km in depth
- Magnitude uncertainty
- ±0.12
- Depth from
- From location
- Station coverage gap
- 94°
- Stations used
- 22
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 8 in the 60 days after this one and 3 in the 30 days before it.
After
- 4.6143 km W of Neiafu, Tonga · 3105 days ago · 195 km deep · 63 km away
- 4.7133 km WNW of Neiafu, Tonga · 3095 days ago · 236 km deep · 33 km away
- 4.3150 km NW of Pangai, Tonga · 3093 days ago · 244 km deep · 71 km away
- 4.4144 km WNW of Neiafu, Tonga · 3079 days ago · 256 km deep · 40 km away
- 4.3128 km NW of Neiafu, Tonga · 3074 days ago · 187 km deep · 78 km away
- 4.7127 km NW of Neiafu, Tonga · 3063 days ago · 205 km deep · 62 km away
- 4.6131 km W of Neiafu, Tonga · 3054 days ago · 212 km deep · 34 km away
- 4.967 km WNW of Neiafu, Tonga · 3048 days ago · 94 km deep · 40 km away · felt by 1
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000dwym. Read Fri, Oct 2, 2026, 4:35 AM UTC.