M4.6 earthquake 161 km NNW of Neiafu, Tonga
A magnitude 4.6 earthquake struck 161 km NNW of Neiafu, Tonga on Tue, Apr 10, 2018, 8:15 PM GMT-12 (08:15 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M4.7 127 km NW 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
- 4.6 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2018-04-11 08:15:54 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 17.272° S, 174.495° 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 12.5 km horizontally, 1.9 km in depth
- Magnitude uncertainty
- ±0.14
- Depth from
- Operator assigned
- Station coverage gap
- 71°
- Stations used
- 25
Nearby
Within 100 km, magnitude 1.6 and up: 4 in the 60 days after this one and 4 in the 30 days before it.
After
- 4.3128 km NW of Neiafu, Tonga · 3074 days ago · 187 km deep · 60 km away
- 4.3137 km SSW of Hihifo, Tonga · 3064 days ago · 134 km deep · 30 km away
- 4.7127 km NW of Neiafu, Tonga · 3063 days ago · 205 km deep · 78 km away
- 4.4113 km N of Neiafu, Tonga · 3052 days ago · 167 km deep · 68 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000e24a. Read Fri, Oct 2, 2026, 7:07 AM UTC.