M6.0 earthquake 107 km NE of Hihifo, Tonga
A magnitude 6.0 earthquake struck 107 km NE of Hihifo, Tonga on Fri, Jun 7, 1963, 11:31 AM GMT-11 (22:31 UTC), 20 km (12 mi) below the surface.
A larger quake followed: M6.0 125 km ENE of Hihifo, Tonga. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 6.0 (Mw, moment), moderate
- Magnitude from
- ISCGEMSUP
- Local time
- UTC
- 1963-06-07 22:31:55 UTC
- Depth
- 20.0 km (12.4 mi), shallow
- Epicenter
- 15.280° S, 173.075° 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
- ±0.73
- Depth from
- From location
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 3.0 and up: 2 in the 60 days after this one and 3 in the 30 days before it.
After
- 6.0125 km ENE of Hihifo, Tonga · 23130 days ago · 20 km deep · 55 km away
- 5.6101 km ENE of Hihifo, Tonga · 23130 days ago · 20 km deep · 32 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgemsup872482. Read Sun, Oct 4, 2026, 9:40 PM UTC.