| Magnitude | 5.3 |
| Alert | Strong |
| Depth | 114.0 km |
| Coordinates | -23.354, -68.328 |
| UTC time | 1977-09-20 16:23:13.300 |
Earthquake details
Tuesday, September 20, 1977 Earthquake
The earthquake hit Chile on Tuesday, September 20, 1977 at 16:23 UTC with a magnitude of 5.3. The closest known location in the current dataset is Calama (Chile - CL), about 117.1 km away. The epicenter is located at longitude -68.328 and latitude -23.354.
| Location | Calama |
| Country | Chile (CL) |
| Severity | Strong |
Earthquake map 1977-09-20
Closest countries
The 12 closest cities near the epicenter.
| Calama | 117.1 km |
| Antofagasta | 213.6 km |
| Villazón | 314.2 km |
| San Salvador de Jujuy | 322.6 km |
| Palpalá | 332.8 km |
| Salta | 336.5 km |
| Libertador General San Martín | 364.2 km |
| San Pedro de Jujuy | 365.9 km |
| Alto Hospicio | 389.4 km |
| Iquique | 397.1 km |
| Orán | 410.2 km |
| Bermejo | 414.6 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 4.6
Calama
Chile · 2026-08-22 18:46 UTC
137.6 km
M 4.7
Calama
Chile · 2026-07-23 01:56 UTC
72.6 km
M 4.3
Calama
Chile · 2026-07-22 11:12 UTC
139.7 km
M 4.3
Calama
Chile · 2026-07-16 02:09 UTC
101.7 km
M 4.3
Calama
Chile · 2026-06-27 12:50 UTC
100.8 km
M 4.4
Calama
Chile · 2026-06-27 06:36 UTC
150.5 km
M 4.3
Calama
Chile · 2026-06-27 00:35 UTC
125.8 km
M 4.3
Calama
Chile · 2026-06-25 11:13 UTC
128.4 km
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