M5.4 earthquake 50 km E of ‘Ohonua, Tonga
A magnitude 5.4 earthquake struck 50 km E of ‘Ohonua, Tonga on Wed, Oct 4, 1972, 7:04 AM GMT+13 (18:04 UTC), 25 km (16 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.4 (mw), moderate
- Local time
- UTC
- 1972-10-03 18:04:40 UTC
- Depth
- 25.0 km (15.5 mi), shallow
- Epicenter
- 21.295° S, 174.469° 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 2.4 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 iscgem768009. Read Sat, Sep 26, 2026, 5:24 PM UTC.