M5.0 earthquake 110 km ENE of ‘Ohonua, Tonga
A magnitude 5.0 earthquake struck 110 km ENE of ‘Ohonua, Tonga on Sun, Jul 2, 1972, 1:47 PM GMT+13 (00:47 UTC), 26 km (16 mi) below the surface.
A larger quake followed: M5.7 60 km E 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
- 5.0 (mw), moderate
- Local time
- UTC
- 1972-07-02 00:47:38 UTC
- Depth
- 26.0 km (16.2 mi), shallow
- Epicenter
- 20.847° S, 174.034° 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
- ±0.33
- Depth from
- From location
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.0 and up: 2 in the 60 days after this one and 1 in the 30 days before it.
After
- 5.760 km E of ‘Ohonua, Tonga · 19766 days ago · 20 km deep · 66 km away
- 6.168 km E of ‘Ohonua, Tonga · 19747 days ago · 10 km deep · 62 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgem771197. Read Tue, Sep 22, 2026, 3:55 AM UTC.