M5.8 earthquake 151 km S of ‘Ohonua, Tonga
A magnitude 5.8 earthquake struck 151 km S of ‘Ohonua, Tonga on Fri, Apr 21, 1972, 6:01 AM GMT+13 (17:01 UTC), 15 km (9 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.8 (mw), moderate
- Local time
- UTC
- 1972-04-20 17:01:35 UTC
- Depth
- 15.0 km (9.3 mi), shallow
- Epicenter
- 22.708° S, 174.982° 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
- ±0.23
- 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 iscgem774619. Read Tue, Sep 22, 2026, 3:43 AM UTC.