| Magnitude | 5.3 |
| Alert | Strong |
| Depth | 69.0 km |
| Coordinates | -21.861, -68.291 |
| UTC time | 1978-07-31 11:34:34.500 |
Earthquake details
Monday, July 31, 1978 Earthquake
The earthquake hit Chile on Monday, July 31, 1978 at 11:34 UTC with a magnitude of 5.3. The closest known location in the current dataset is Calama (Chile - CL), about 93.0 km away. The epicenter is located at longitude -68.291 and latitude -21.861.
| Location | Calama |
| Country | Chile (CL) |
| Severity | Strong |
Earthquake map 1978-07-31
Closest countries
The 12 closest cities near the epicenter.
| Calama | 93.0 km |
| Alto Hospicio | 258.7 km |
| Iquique | 266.4 km |
| Villazón | 279.5 km |
| Antofagasta | 294.0 km |
| Potosí | 366.2 km |
| Tarija | 370.1 km |
| San Salvador de Jujuy | 401.9 km |
| Palpalá | 412.9 km |
| Bermejo | 418.6 km |
| Libertador General San Martín | 419.5 km |
| Arica | 431.4 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 4.6
Calama
Chile · 2026-08-22 18:46 UTC
63.5 km
M 4.7
Calama
Chile · 2026-07-23 01:56 UTC
156.2 km
M 4.3
Calama
Chile · 2026-07-22 11:12 UTC
34.7 km
M 4.3
Calama
Chile · 2026-07-16 02:09 UTC
145.8 km
M 4.3
Calama
Chile · 2026-06-27 12:50 UTC
127.5 km
M 4.4
Calama
Chile · 2026-06-27 06:36 UTC
42.7 km
M 4.3
Calama
Chile · 2026-06-27 00:35 UTC
67.1 km
M 4.3
Calama
Chile · 2026-06-25 11:13 UTC
56.6 km
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