| Magnitude | 5.6 |
| Alert | Strong |
| Depth | 33.0 km |
| Coordinates | -7.838, 117.685 |
| UTC time | 1977-12-20 11:31:34.800 |
Earthquake details
Tuesday, December 20, 1977 Earthquake
The earthquake hit Republic of Indonesia on Tuesday, December 20, 1977 at 11:31 UTC with a magnitude of 5.6. The closest known location in the current dataset is Sumbawa Besar (Republic of Indonesia - ID), about 78.6 km away. The epicenter is located at longitude 117.685 and latitude -7.838.
| Location | Sumbawa Besar |
| Country | Indonesia (ID) |
| Severity | Strong |
Earthquake map 1977-12-20
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
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Indonesia · 2025-09-08 14:01 UTC
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