| Magnitude | 5.1 |
| Alert | Strong |
| Depth | 116.0 km |
| Coordinates | 13.762, -89.699 |
| UTC time | 1978-10-17 20:16:49.500 |
Earthquake details
Tuesday, October 17, 1978 Earthquake
The earthquake hit El Salvador on Tuesday, October 17, 1978 at 20:16 UTC with a magnitude of 5.1. The closest known location in the current dataset is Sonsonate (El Salvador - SV), about 5.5 km away. The epicenter is located at longitude -89.699 and latitude 13.762.
| Location | Sonsonate |
| Country | El Salvador (SV) |
| Severity | Strong |
Earthquake map 1978-10-17
Closest countries
The 12 closest cities near the epicenter.
| Sonsonate | 5.5 km |
| Ahuachapán | 23.7 km |
| Chalchuapa | 25.1 km |
| Santa Ana | 29.9 km |
| Santa Tecla | 46.3 km |
| Antiguo Cuscatlán | 49.4 km |
| Mejicanos | 55.4 km |
| San Salvador | 55.9 km |
| Cuscatancingo | 56.1 km |
| Apopa | 56.4 km |
| San Marcos | 57.0 km |
| Delgado | 57.5 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
|
47.5 km |
|
M 4.8
San Marcos
El Salvador · 2026-03-26 22:11 UTC
|
80.0 km |
|
M 4.1
Barberena
Guatemala · 2026-03-07 07:40 UTC
|
76.8 km |
|
M 4.6
Sonsonate
El Salvador · 2026-02-28 10:21 UTC
|
34.6 km |
|
M 4.3
San Salvador
El Salvador · 2026-02-05 05:39 UTC
|
88.4 km |
|
M 4.6
Villa Nueva
Guatemala · 2025-12-31 04:42 UTC
|
73.6 km |
|
M 4.4
Sonsonate
El Salvador · 2025-12-07 22:36 UTC
|
44.0 km |
|
M 4.9
San Salvador
El Salvador · 2025-11-29 06:52 UTC
|
86.2 km |
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