M6.3 earthquake 195 km WNW of Hihifo, Tonga
A magnitude 6.3 earthquake struck 195 km WNW of Hihifo, Tonga on Fri, Sep 8, 1972, 2:44 PM GMT-12 (02:44 UTC), 35 km (22 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 6.3 (mw), strong
- Local time
- UTC
- 1972-09-09 02:44:05 UTC
- Depth
- 35.0 km (21.7 mi), shallow
- Epicenter
- 15.382° S, 175.523° 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
- ±0.21
- Depth from
- From location
Nearby
Within 100 km, magnitude 3.3 and up: 0 in the 60 days after this one and 0 in the 30 days before it.
None recorded.
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgem769237. Read Tue, Sep 29, 2026, 7:41 AM UTC.