M4.5 earthquake 275 km SSW of ‘Ohonua, Tonga
A magnitude 4.5 earthquake struck 275 km SSW of ‘Ohonua, Tonga on Sat, Oct 11, 1980, 11:57 PM GMT+13 (10:57 UTC), 67 km (42 mi) below the surface.
A larger quake followed: M5.2 283 km SSW of ‘Ohonua, Tonga. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.5 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1980-10-11 10:57:16 UTC
- Depth
- 67.0 km (41.6 mi), shallow
- Epicenter
- 23.648° S, 175.932° 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.
- Depth from
- CONSTRAINED_BY_DEPTH_PHASES
- Stations used
- 23
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 2 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 usp0001a6u. Read Sun, Oct 4, 2026, 12:23 AM UTC.