M4.3 earthquake 74 km S of Pangai, Tonga
A magnitude 4.3 earthquake struck 74 km S of Pangai, Tonga on Fri, Sep 21, 2007, 5:20 AM GMT+13 (16:20 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M4.8 77 km ENE of ‘Ohonua, 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
- 2007-09-20 16:20:53 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 20.487° S, 174.393° 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 usp000fnsm. 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
- 143°
- Stations used
- 11
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
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
- 4.442 km S of Pangai, Tonga · 6950 days ago · 10 km deep · 32 km away
- 4.731 km W of Pangai, Tonga · 6941 days ago · 10 km deep · 80 km away
- 4.237 km ESE of Pangai, Tonga · 6927 days ago · 46 km deep · 77 km away
- 4.877 km ENE of ‘Ohonua, Tonga · 6925 days ago · 35 km deep · 53 km away
- 4.339 km S of Pangai, Tonga · 6907 days ago · 10 km deep · 36 km away
- 4.633 km SSE of Pangai, Tonga · 6894 days ago · 31 km deep · 50 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp000fnsm. Read Sat, Oct 3, 2026, 3:37 AM UTC.