M4.7 earthquake 235 km W of Hihifo, Tonga
A magnitude 4.7 earthquake struck 235 km W of Hihifo, Tonga on Tue, Apr 17, 2018, 7:59 AM GMT-12 (19:59 UTC), 345 km (214 mi) below the surface.
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
- 2018-04-17 19:59:38 UTC
- Depth
- 344.6 km (214.1 mi), deep
- Epicenter
- 16.234° S, 175.978° 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 9.8 km horizontally, 6.2 km in depth
- Magnitude uncertainty
- ±0.04
- Depth from
- From location
- Station coverage gap
- 55°
- Stations used
- 144
Nearby
Within 100 km, magnitude 1.7 and up: 5 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.2158 km W of Hihifo, Tonga · 3088 days ago · 293 km deep · 89 km away
- 4.3235 km SE of Alo, Wallis and Futuna · 3085 days ago · 383 km deep · 93 km away
- 4.2252 km W of Hihifo, Tonga · 3043 days ago · 396 km deep · 39 km away
- 4.5220 km W of Hihifo, Tonga · 3038 days ago · 343 km deep · 24 km away
- 4.0246 km SE of Alo, Wallis and Futuna · 3031 days ago · 373 km deep · 71 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000e1ri. Read Fri, Oct 2, 2026, 6:31 PM UTC.