M4.1 earthquake 247 km W of Hihifo, Tonga
A magnitude 4.1 earthquake struck 247 km W of Hihifo, Tonga on Tue, Oct 31, 2017, 10:58 AM GMT-12 (22:58 UTC), 386 km (240 mi) below the surface.
A larger quake followed: M4.7 202 km S of Mata-Utu, Wallis and Futuna. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.1 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2017-10-31 22:58:26 UTC
- Depth
- 385.7 km (239.7 mi), deep
- Epicenter
- 15.991° S, 176.110° 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 12.0 km horizontally, 17.9 km in depth
- Magnitude uncertainty
- ±0.15
- Depth from
- From location
- Station coverage gap
- 97°
- Stations used
- 17
Nearby
Within 100 km, magnitude 1.5 and up: 4 in the 60 days after this one and 0 in the 30 days before it.
After
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000bkzc. Read Fri, Oct 2, 2026, 11:41 PM UTC.