Earthquake details

Saturday, August 4, 1973 Earthquake

The earthquake hit Chile on Saturday, August 4, 1973 at 11:22 UTC with a magnitude of 5.4. The closest known location in the current dataset is Copiapó (Chile - CL), about 158.1 km away. The epicenter is located at longitude -68.860 and latitude -27.930.

Magnitude	5.4
Alert	Strong
Depth	95.0 km
Coordinates	-27.930, -68.860
UTC time	1973-08-04 11:22:28.300

Location	Copiapó
Country	Chile (CL)
Severity	Strong

Earthquake map 1973-08-04

Closest countries

The 12 closest cities near the epicenter.

Copiapó	158.1 km
Chilecito	191.2 km
Vallenar	199.7 km
La Rioja	256.3 km
Catamarca	307.6 km
La Serena	320.3 km
Aguilares	324.7 km
Coquimbo	330.2 km
Famaillá	355.1 km
Yerba Buena	373.7 km
Ovalle	374.1 km
Tafí Viejo	380.0 km

Nearby earthquakes

The latest 8 earthquakes within 100 km of this epicenter.

M 4.5

Copiapó

Chile · 2026-07-03 16:03 UTC

39.5 km

M 4.4

Copiapó

Chile · 2026-03-11 16:09 UTC

45.1 km

M 4.5

Copiapó

Chile · 2025-11-30 02:51 UTC

59.4 km

M 4.2

Copiapó

Chile · 2025-11-13 16:32 UTC

60.7 km

M 4.6

Copiapó

Chile · 2025-09-19 09:39 UTC

55.5 km

M 4.5

Copiapó

Chile · 2025-04-22 05:54 UTC

64.3 km

M 4.8

Copiapó

Chile · 2025-03-18 20:25 UTC

58.0 km

M 4.3

Copiapó

Chile · 2025-02-26 21:23 UTC

57.7 km

Stay informed

Earthquake alerts

Create targeted notifications for important seismic activity near the places you follow.

Choose the places you want to monitor.

Set a minimum magnitude for notifications.

Set up alerts Create account