M6.1 earthquake 68 km E of ‘Ohonua, Tonga
A magnitude 6.1 earthquake struck 68 km E of ‘Ohonua, Tonga on Tue, Aug 29, 1972, 7:58 AM GMT+13 (18:58 UTC), 10 km (6 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 6.1 (mw), strong
- Local time
- UTC
- 1972-08-28 18:58:01 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 21.345° S, 174.297° 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 3.1 and up: 2 in the 60 days after this one and 1 in the 30 days before it.
After
- 6.046 km ENE of ‘Ohonua, Tonga · 19721 days ago · 31 km deep · 26 km away
- 5.450 km E of ‘Ohonua, Tonga · 19716 days ago · 25 km deep · 19 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgem771053. Read Sat, Sep 26, 2026, 7:15 PM UTC.