M4.3 earthquake 143 km W of Pangai, Tonga
A magnitude 4.3 earthquake struck 143 km W of Pangai, Tonga on Thu, Aug 2, 2007, 5:28 AM GMT+13 (16:28 UTC), 200 km (124 mi) below the surface.
A larger quake followed: M4.8 123 km W of Pangai, Tonga. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.3 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2007-08-01 16:28:29 UTC
- Depth
- 200.0 km (124.3 mi), intermediate-depth
- Epicenter
- 19.834° S, 175.721° 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 usp000fhm6. 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
- OPERATOR_ASSIGNED
- Station coverage gap
- 164°
- 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: 2 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.261 km NNW of Nuku‘alofa, Tonga · 6979 days ago · 153 km deep · 93 km away
- 4.8123 km W of Pangai, Tonga · 6951 days ago · 185 km deep · 26 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp000fhm6. Read Fri, Oct 2, 2026, 11:35 AM UTC.