M4.9 earthquake 126 km NW of Neiafu, Tonga
A magnitude 4.9 earthquake struck 126 km NW of Neiafu, Tonga on Thu, Nov 27, 1975, 11:42 PM GMT+13 (10:42 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M5.5 127 km NW of Neiafu, Tonga. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.9 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1975-11-27 10:42:47 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 17.761° S, 174.729° 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
- 11
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.9 and up: 4 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 usp0000dr9. Read Thu, Oct 1, 2026, 12:34 PM UTC.