M3.8 earthquake 102 km WSW of Hihifo, Tonga
A magnitude 3.8 earthquake struck 102 km WSW of Hihifo, Tonga on Thu, Aug 2, 2007, 1:16 AM GMT-12 (13:16 UTC), 418 km (260 mi) below the surface.
A larger quake followed: M5.1 49 km W 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
- 3.8 (mb, body-wave), minor
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2007-08-02 13:16:08 UTC
- Depth
- 417.8 km (259.6 mi), deep
- Epicenter
- 16.456° S, 174.598° 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 usp000fhq7. 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.
- Depth from
- FROM_LOCATION
- Station coverage gap
- 137°
- Stations used
- 16
Nearby
Within 100 km, magnitude 1.5 and up: 4 in the 60 days after this one and 1 in the 30 days before it.
After
- 5.149 km W of Hihifo, Tonga · 6999 days ago · 121 km deep · 67 km away
- 3.6104 km W of Hihifo, Tonga · 6994 days ago · 291 km deep · 74 km away
- 3.8126 km SW of Hihifo, Tonga · 6978 days ago · 174 km deep · 26 km away
- 4.2106 km WSW of Hihifo, Tonga · 6975 days ago · 205 km deep · 12 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp000fhq7. Read Sun, Oct 4, 2026, 6:12 AM UTC.