M6.3 earthquake 123 km SSW of ‘Ohonua, Tonga
A magnitude 6.3 earthquake struck 123 km SSW of ‘Ohonua, Tonga on Sun, Nov 4, 1956, 7:25 PM GMT+12:20 (07:05 UTC), 49 km (30 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 6.3 (mw), strong
- Local time
- UTC
- 1956-11-04 07:05:49 UTC
- Depth
- 48.7 km (30.3 mi), shallow
- Epicenter
- 22.326° S, 175.486° 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: 1 in the 60 days after this one and 0 in the 30 days before it.
After
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgem888870. Read Tue, Sep 22, 2026, 7:59 AM UTC.