M4.2 earthquake 139 km SSW of Hihifo, Tonga
A magnitude 4.2 earthquake struck 139 km SSW of Hihifo, Tonga on Sat, Oct 7, 2006, 2:59 AM GMT-12 (14:59 UTC), 144 km (89 mi) below the surface.
A larger quake followed: M5.8 103 km NNW 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
- 4.2 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2006-10-07 14:59:12 UTC
- Depth
- 144.0 km (89.5 mi), intermediate-depth
- Epicenter
- 17.014° S, 174.501° W
- Region
- Tonga
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
What happened
The USGS’s account of the effects of this earthquake.
no people dead or missing; no people injured; no buildings damaged or destroyed
From the USGS event page for usp000eunb. U.S. Geological Survey text and figures are in the public domain.
Did you feel it?
No one has reported feeling this quake to the USGS.
How well it is located
Reviewed by a seismologist.
- Station coverage gap
- 138°
- Stations used
- 15
Nearby
Within 100 km, magnitude 1.5 and up: 6 in the 60 days after this one and 1 in the 30 days before it.
After
- 3.5128 km WSW of Hihifo, Tonga · 7299 days ago · 193 km deep · 97 km away
- 4.2160 km NNW of Neiafu, Tonga · 7293 days ago · 61 km deep · 35 km away
- 4.3106 km SSW of Hihifo, Tonga · 7288 days ago · 135 km deep · 37 km away
- 4.467 km S of Hihifo, Tonga · 7260 days ago · 10 km deep · 98 km away
- 4.2109 km SSW of Hihifo, Tonga · 7255 days ago · 90 km deep · 52 km away
- 5.8103 km NNW of Neiafu, Tonga · 7247 days ago · 136 km deep · 87 km away · felt by 2
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp000eunb. Read Mon, Oct 5, 2026, 6:25 AM UTC.