M5.9 earthquake 120 km SSE of ‘Ohonua, Tonga
A magnitude 5.9 earthquake struck 120 km SSE of ‘Ohonua, Tonga on Tue, Jul 30, 1968, 5:10 PM GMT+13 (04:10 UTC), 13 km (8 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.9 (mw), moderate
- Local time
- UTC
- 1968-07-30 04:10:10 UTC
- Depth
- 13.4 km (8.3 mi), shallow
- Epicenter
- 22.406° S, 174.714° 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 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 iscgem819501. Read Tue, Sep 22, 2026, 9:35 AM UTC.