M4.1 earthquake 225 km W of Hihifo, Tonga
A magnitude 4.1 earthquake struck 225 km W of Hihifo, Tonga on Wed, Oct 30, 2019, 10:09 PM GMT-12 (10:09 UTC), 354 km (220 mi) below the surface.
A larger quake followed: M4.4 229 km SE of Alo, 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
- 2019-10-31 10:09:47 UTC
- Depth
- 353.7 km (219.8 mi), deep
- Epicenter
- 16.168° S, 175.893° 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 12.4 km horizontally, 9.6 km in depth
- Magnitude uncertainty
- ±0.10
- Depth from
- From location
- Station coverage gap
- 110°
- Stations used
- 31
Nearby
Within 100 km, magnitude 1.5 and up: 3 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 us6000698b. Read Fri, Oct 2, 2026, 12:43 AM UTC.