| Magnitude | 5.1 |
| Alert | Strong |
| Depth | 84.0 km |
| Coordinates | 12.983, -89.040 |
| UTC time | 1977-10-31 00:53:16.600 |
Earthquake details
Monday, October 31, 1977 Earthquake
The earthquake hit El Salvador on Monday, October 31, 1977 at 00:53 UTC with a magnitude of 5.1. The closest known location in the current dataset is Zacatecoluca (El Salvador - SV), about 60.5 km away. The epicenter is located at longitude -89.040 and latitude 12.983.
| Location | San Salvador |
| Country | El Salvador (SV) |
| Severity | Strong |
Earthquake map 1977-10-31
Closest countries
The 12 closest cities near the epicenter.
| Zacatecoluca | 60.5 km |
| Usulután | 75.9 km |
| San Vicente | 76.9 km |
| San Marcos | 77.0 km |
| Antiguo Cuscatlán | 79.3 km |
| San Salvador | 80.2 km |
| Ilopango | 80.4 km |
| Santa Tecla | 81.5 km |
| Soyapango | 81.7 km |
| Cojutepeque | 82.5 km |
| Delgado | 83.4 km |
| Mejicanos | 84.0 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 5.5
San Miguel
El Salvador · 2026-08-13 00:30 UTC
91.7 km
M 4.3
San Miguel
El Salvador · 2026-07-15 14:37 UTC
41.1 km
M 4.2
San Salvador
El Salvador · 2026-06-29 21:27 UTC
27.5 km
M 4.4
San Salvador
El Salvador · 2026-06-23 17:31 UTC
96.1 km
M 4.7
San Salvador
El Salvador · 2026-06-22 17:51 UTC
64.2 km
M 4.4
San Salvador
El Salvador · 2026-06-13 17:25 UTC
96.0 km
M 4.9
San Marcos
El Salvador · 2026-06-05 12:27 UTC
30.2 km
M 4.2
San Miguel
El Salvador · 2026-04-08 10:43 UTC
83.1 km
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