M5.5 earthquake 127 km NW of Neiafu, Tonga
A magnitude 5.5 earthquake struck 127 km NW of Neiafu, Tonga on Fri, Nov 28, 1975, 12:01 AM GMT+13 (11:01 UTC), 33 km (21 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.5 (mb), moderate
- Local time
- UTC
- 1975-11-27 11:01:52 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 17.773° S, 174.758° 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
- OPERATOR_ASSIGNED
- Stations used
- 47
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.5 and up: 3 in the 60 days after this one and 1 in the 30 days before it.
After
- 5.066 km NW of Neiafu, Tonga · 18562 days ago · 109 km deep · 62 km away
- 5.0127 km NW of Neiafu, Tonga · 18561 days ago · 78 km deep · 7 km away
- 5.1158 km SW of Hihifo, Tonga · 18512 days ago · 33 km deep · 90 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000drb (also filed as iscgem722249). Read Tue, Sep 22, 2026, 10:29 AM UTC.