M4.2 earthquake 225 km ESE of Hihifo, Tonga
A magnitude 4.2 earthquake struck 225 km ESE of Hihifo, Tonga on Fri, Oct 7, 2016, 1:29 PM GMT+14 (23:29 UTC), 36 km (22 mi) below the surface.
A larger quake followed: M5.2 225 km SE of Hihifo, 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
- 2016-10-06 23:29:28 UTC
- Depth
- 35.8 km (22.3 mi), shallow
- Epicenter
- 16.768° S, 171.864° 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 11.6 km horizontally, 13.2 km in depth
- Magnitude uncertainty
- ±0.21
- Depth from
- From location
- Station coverage gap
- 210°, poorly surrounded by stations
- Stations used
- 10
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
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 us20007dur. Read Sun, Oct 4, 2026, 6:59 PM UTC.