| 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 4.1
Sonsonate
El Salvador · 2026-04-04 03:32 UTC
|
120.4 km |
|
M 4.8
San Marcos
El Salvador · 2026-03-26 22:11 UTC
|
32.3 km |
|
M 4.4
San Salvador
El Salvador · 2026-03-21 14:17 UTC
|
19.8 km |
|
M 4.6
Sonsonate
El Salvador · 2026-02-28 10:21 UTC
|
117.1 km |
|
M 4.3
San Salvador
El Salvador · 2026-02-05 05:39 UTC
|
26.7 km |
|
M 4.5
San Miguel
El Salvador · 2026-01-27 21:06 UTC
|
105.1 km |
|
M 4.4
San Miguel
El Salvador · 2025-12-28 09:55 UTC
|
92.4 km |
|
M 4.4
Sonsonate
El Salvador · 2025-12-07 22:36 UTC
|
94.9 km |
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