Earthquake details

Saturday, October 11, 1975 Earthquake

The earthquake hit south of Tonga on Saturday, October 11, 1975 at 14:35 UTC with a magnitude of 7.8. The closest known location in the current dataset is Nasinu, about 1005.6 km away. The epicenter is located at longitude -175.119 and latitude -24.894.

Magnitude 7.8
Alert Extreme
Depth 9.0 km
Coordinates -24.894, -175.119
UTC time 1975-10-11 14:35:15.000
Location south of Tonga
Country south of Tonga
Severity Extreme

Earthquake map 1975-10-11

Nearby earthquakes

The latest 8 earthquakes within 100 km of this epicenter.
M 5.1
south of Tonga
Unknown · 2026-08-04 14:56 UTC
33.9 km
M 5.1
south of Tonga
Unknown · 2026-07-29 20:52 UTC
33.4 km
M 5.0
south of Tonga
Unknown · 2026-07-29 17:07 UTC
28.0 km
M 5.0
south of Tonga
Unknown · 2026-07-29 03:52 UTC
34.8 km
M 5.1
south of Tonga
Unknown · 2026-07-27 23:12 UTC
18.9 km
M 5.2
south of Tonga
Unknown · 2026-07-27 08:47 UTC
29.7 km
M 5.2
south of Tonga
Unknown · 2026-07-27 08:44 UTC
25.4 km
M 4.8
south of Tonga
Unknown · 2026-07-27 05:55 UTC
38.8 km

Stay informed

Earthquake alerts

Create targeted notifications for important seismic activity near the places you follow.

Choose the places you want to monitor.
Set a minimum magnitude for notifications.