| Magnitude | 5.4 |
| Alert | Strong |
| Depth | 71.0 km |
| Coordinates | 10.303, -85.123 |
| UTC time | 1978-08-23 00:50:29.100 |
Earthquake details
Wednesday, August 23, 1978 Earthquake
The earthquake hit Costa Rica on Wednesday, August 23, 1978 at 00:50 UTC with a magnitude of 5.4. The closest known location in the current dataset is Puntarenas (Costa Rica - CR), about 47.9 km away. The epicenter is located at longitude -85.123 and latitude 10.303.
| Location | Puntarenas |
| Country | Costa Rica (CR) |
| Severity | Strong |
Earthquake map 1978-08-23
Closest countries
The 12 closest cities near the epicenter.
| Puntarenas | 47.9 km |
| Liberia | 50.5 km |
| San José | 72.3 km |
| Alajuela | 104.8 km |
| San José | 121.1 km |
| San Vicente | 123.6 km |
| San Vicente de Moravia | 123.7 km |
| Purral | 125.6 km |
| Curridabat | 126.8 km |
| Paraíso | 147.1 km |
| Rivas | 147.8 km |
| Turrialba | 163.9 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
|
M 4.0
San José
Costa Rica · 2026-01-19 23:06 UTC
|
118.4 km |
|
M 4.7
Alajuela
Costa Rica · 2025-10-04 21:08 UTC
|
34.0 km |
|
M 4.8
Alajuela
Costa Rica · 2025-08-01 19:33 UTC
|
78.1 km |
|
M 4.3
Liberia
Costa Rica · 2025-07-26 17:39 UTC
|
47.0 km |
|
M 4.0
San José
Costa Rica · 2025-07-18 10:34 UTC
|
131.5 km |
|
M 4.7
San José
Costa Rica · 2025-07-06 19:59 UTC
|
118.3 km |
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