Earthquake details

Friday, December 9, 1977 Earthquake

The earthquake hit south of Tonga on Friday, December 9, 1977 at 21:30 UTC with a magnitude of 5.1. The closest known location in the current dataset is Nasinu, about 900.5 km away. The epicenter is located at longitude -175.745 and latitude -24.135.

Magnitude 5.1
Alert Strong
Depth 33.0 km
Coordinates -24.135, -175.745
UTC time 1977-12-09 21:30:34.600
Location south of Tonga
Country south of Tonga
Severity Strong

Earthquake map 1977-12-09

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
73.9 km
M 5.1
south of Tonga
Unknown · 2026-07-29 20:52 UTC
72.8 km
M 5.0
south of Tonga
Unknown · 2026-07-29 17:07 UTC
77.5 km
M 5.1
south of Tonga
Unknown · 2026-07-27 23:12 UTC
87.0 km
M 5.2
south of Tonga
Unknown · 2026-07-27 08:47 UTC
77.5 km
M 5.2
south of Tonga
Unknown · 2026-07-27 08:44 UTC
80.4 km
M 4.8
south of Tonga
Unknown · 2026-07-27 05:55 UTC
79.3 km
M 5.2
south of Tonga
Unknown · 2026-07-27 03:36 UTC
70.9 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.