M5.7 earthquake 115 km ENE of ‘Ohonua, Tonga
A magnitude 5.7 earthquake struck 115 km ENE of ‘Ohonua, Tonga on Fri, Oct 4, 1963, 3:47 PM GMT+13 (02:47 UTC), 20 km (12 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.7 (Mw, moment), moderate
- Magnitude from
- ISCGEMSUP
- Local time
- UTC
- 1963-10-04 02:47:32 UTC
- Depth
- 20.0 km (12.4 mi), shallow
- Epicenter
- 20.864° S, 173.961° 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
- ±0.77
- Depth from
- From location
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.7 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 iscgemsup873181. Read Sun, Oct 4, 2026, 11:51 PM UTC.