M6.0 earthquake 72 km SSE of Pangai, Tonga
A magnitude 6.0 earthquake struck 72 km SSE of Pangai, Tonga on Fri, Sep 10, 1971, 7:28 PM GMT+13 (06:28 UTC), 21 km (13 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 6.0 (mw), strong
- Local time
- UTC
- 1971-09-10 06:28:51 UTC
- Depth
- 21.1 km (13.1 mi), shallow
- Epicenter
- 20.453° S, 174.210° 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.
- Magnitude uncertainty
- ±0.20
- Depth from
- From location
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.5 and up: 0 in the 60 days after this one and 1 in the 30 days before it.
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgem780171. Read Tue, Sep 22, 2026, 2:41 PM UTC.