| Magnitude | 5.4 |
| Alert | Strong |
| Depth | 33.0 km |
| Coordinates | -11.156, 118.828 |
| UTC time | 1977-08-21 06:50:33.100 |
Earthquake details
Sunday, August 21, 1977 Earthquake
The earthquake hit Republic of Indonesia on Sunday, August 21, 1977 at 06:50 UTC with a magnitude of 5.4. The closest known location in the current dataset is Tambolaka (Republic of Indonesia - ID), about 197.5 km away. The epicenter is located at longitude 118.828 and latitude -11.156.
| Location | Tambolaka |
| Country | Indonesia (ID) |
| Severity | Strong |
Earthquake map 1977-08-21
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 4.5
Tambolaka
Indonesia · 2026-10-13 09:48 UTC
136.7 km
M 4.7
Tambolaka
Indonesia · 2026-10-08 05:06 UTC
192.9 km
M 5.9
Tambolaka
Indonesia · 2026-10-03 22:55 UTC
176.9 km
M 4.4
Tambolaka
Indonesia · 2026-07-21 05:05 UTC
222.6 km
M 4.4
Tambolaka
Indonesia · 2026-07-14 09:52 UTC
185.0 km
M 5.1
Tambolaka
Indonesia · 2026-07-12 13:20 UTC
183.0 km
M 4.8
Tambolaka
Indonesia · 2026-07-03 17:14 UTC
187.9 km
M 4.3
Tambolaka
Indonesia · 2026-06-24 15:42 UTC
180.2 km
Stay informed
Earthquake alerts
Create targeted notifications for important seismic activity near the places you follow.