| Magnitude | 7.7 |
| Alert | Extreme |
| Depth | 20.0 km |
| Coordinates | -25.487, -70.531 |
| UTC time | 1966-12-28 08:18:06.210 |
Earthquake details
Wednesday, December 28, 1966 Earthquake
The earthquake hit Chile on Wednesday, December 28, 1966 at 08:18 UTC with a magnitude of 7.7. The closest known location in the current dataset is Antofagasta (Chile - CL), about 204.7 km away. The epicenter is located at longitude -70.531 and latitude -25.487.
| Location | Antofagasta |
| Country | Chile (CL) |
| Severity | Extreme |
Earthquake map 1966-12-28
Closest countries
The 12 closest cities near the epicenter.
| Antofagasta | 204.7 km |
| Copiapó | 210.2 km |
| Vallenar | 344.6 km |
| Calama | 374.8 km |
| La Serena | 497.0 km |
| Coquimbo | 503.5 km |
| Chilecito | 507.3 km |
| Salta | 521.7 km |
| Aguilares | 535.6 km |
| Famaillá | 540.9 km |
| Yerba Buena | 543.5 km |
| Tafí Viejo | 544.6 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
|
M 4.1
Antofagasta
Chile · 2026-03-30 19:48 UTC
|
143.1 km |
|
M 4.2
Antofagasta
Chile · 2025-12-31 12:37 UTC
|
163.0 km |
|
M 4.4
Antofagasta
Chile · 2025-12-09 05:46 UTC
|
176.3 km |
|
M 5.4
Antofagasta
Chile · 2025-11-10 10:49 UTC
|
225.8 km |
|
M 4.4
Antofagasta
Chile · 2025-09-16 23:53 UTC
|
298.1 km |
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