M4.7 earthquake 55 km N of Hihifo, Tonga
A magnitude 4.7 earthquake struck 55 km N of Hihifo, Tonga on Fri, Oct 3, 1980, 3:08 PM GMT-11 (02:08 UTC), 107 km (66 mi) below the surface.
A larger quake followed: M6.0 75 km NNE 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
- 4.7 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1980-10-04 02:08:43 UTC
- Depth
- 107.0 km (66.5 mi), intermediate-depth
- Epicenter
- 15.458° S, 173.883° 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.
- Stations used
- 13
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.7 and up: 3 in the 60 days after this one and 4 in the 30 days before it.
After
- 5.584 km NNW of Hihifo, Tonga · 16794 days ago · 33 km deep · 30 km away
- 6.075 km NNE of Hihifo, Tonga · 16793 days ago · 33 km deep · 50 km away
- 4.679 km N of Hihifo, Tonga · 16791 days ago · 33 km deep · 27 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001a2q. Read Thu, Oct 1, 2026, 8:44 PM UTC.