M5.7 earthquake 189 km SE of Hihifo, Tonga
A magnitude 5.7 earthquake struck 189 km SE of Hihifo, Tonga on Sat, Nov 1, 1975, 7:40 AM GMT-11 (18:40 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
- 5.7 (mb), moderate
- Local time
- UTC
- 1975-11-01 18:40:30 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 17.266° S, 172.661° 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
- 98
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.5 and up: 5 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.1141 km NE of Neiafu, Tonga · 18564 days ago · 33 km deep · 67 km away
- 4.8170 km ESE of Hihifo, Tonga · 18533 days ago · 33 km deep · 99 km away
- 4.9170 km ESE of Hihifo, Tonga · 18532 days ago · 33 km deep · 85 km away
- 5.0167 km ESE of Hihifo, Tonga · 18532 days ago · 33 km deep · 83 km away
- 4.6164 km ESE of Hihifo, Tonga · 18529 days ago · 33 km deep · 87 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000dda (also filed as iscgem721175). Read Tue, Sep 22, 2026, 5:45 AM UTC.