| 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.
|
M 4.6
Sumbawa Besar
Indonesia · 2026-02-27 19:21 UTC
|
35.9 km |
|
M 4.2
Bima
Indonesia · 2026-02-27 12:35 UTC
|
44.4 km |
|
M 4.8
Dompu
Indonesia · 2026-02-16 11:42 UTC
|
103.1 km |
|
M 4.5
Taliwang
Indonesia · 2026-02-02 19:30 UTC
|
103.4 km |
|
M 5.1
Dompu
Indonesia · 2026-01-28 18:30 UTC
|
110.0 km |
|
M 4.5
Dompu
Indonesia · 2025-11-03 16:58 UTC
|
70.7 km |
|
M 4.8
Bima
Indonesia · 2025-10-01 03:31 UTC
|
64.4 km |
|
M 4.1
Sumbawa Besar
Indonesia · 2025-09-08 14:01 UTC
|
10.1 km |
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