Earthquake details

Friday, October 21, 1977 Earthquake

The earthquake hit Republic of Indonesia on Friday, October 21, 1977 at 11:48 UTC with a magnitude of 5.7. The closest known location in the current dataset is Tambolaka (Republic of Indonesia - ID), about 203.5 km away. The epicenter is located at longitude 117.667 and latitude -10.402.

Magnitude 5.7
Alert Strong
Depth 33.0 km
Coordinates -10.402, 117.667
UTC time 1977-10-21 11:48:34.200
Location Denpasar
Country Indonesia (ID)
Severity Strong

Earthquake map 1977-10-21

Nearby earthquakes

The latest 8 earthquakes within 100 km of this epicenter.
M 4.5
Kuta
Indonesia · 2026-03-01 03:52 UTC
283.1 km
M 4.4
Denpasar
Indonesia · 2026-01-10 09:34 UTC
346.2 km
M 4.4
Denpasar
Indonesia · 2025-12-05 11:02 UTC
364.7 km
M 4.0
Singaraja
Indonesia · 2025-09-19 20:10 UTC
359.0 km
M 4.4
Singaraja
Indonesia · 2025-09-10 21:50 UTC
355.5 km
M 4.5
Mataram
Indonesia · 2025-07-15 08:35 UTC
290.8 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.