| Magnitude | 5.4 |
| Alert | Strong |
| Depth | 31.0 km |
| Coordinates | -58.829, -24.671 |
| UTC time | 1973-09-30 10:36:18.300 |
Earthquake details
Sunday, September 30, 1973 Earthquake
The earthquake hit South Sandwich Islands region on Sunday, September 30, 1973 at 10:36 UTC with a magnitude of 5.4. The closest known location in the current dataset is Ushuaia, about 2647.1 km away. The epicenter is located at longitude -24.671 and latitude -58.829.
| Location | South Sandwich Islands region |
| Country | South Sandwich Islands region |
| Severity | Strong |
Earthquake map 1973-09-30
Closest countries
The 12 closest cities near the epicenter.
| Ushuaia | 2647.1 km |
| Río Grande | 2667.0 km |
| Río Gallegos | 2880.0 km |
| Punta Arenas | 2885.6 km |
| Caleta Olivia | 3135.7 km |
| Comodoro Rivadavia | 3177.8 km |
| Trelew | 3257.9 km |
| Puerto Madryn | 3282.0 km |
| Mar del Plata | 3297.7 km |
| Necochea | 3306.9 km |
| Viedma | 3332.8 km |
| Balcarce | 3346.8 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 5.0
South Sandwich Islands region
Unknown · 2026-09-27 21:13 UTC
74.7 km
M 5.1
South Sandwich Islands region
Unknown · 2026-09-12 00:55 UTC
37.0 km
M 4.9
South Sandwich Islands region
Unknown · 2026-08-23 17:23 UTC
35.3 km
M 4.8
South Sandwich Islands region
Unknown · 2026-07-28 21:32 UTC
54.8 km
M 4.9
South Sandwich Islands region
Unknown · 2026-07-24 00:37 UTC
36.3 km
M 4.9
South Sandwich Islands region
Unknown · 2026-07-21 08:53 UTC
91.9 km
M 4.9
South Sandwich Islands region
Unknown · 2026-07-13 17:45 UTC
39.3 km
M 4.9
South Sandwich Islands region
Unknown · 2026-07-09 23:31 UTC
32.7 km
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