| Magnitude | 5.1 |
| Alert | Strong |
| Depth | 33.0 km |
| Coordinates | -58.276, -23.256 |
| UTC time | 1983-08-12 22:11:56.400 |
Earthquake details
Friday, August 12, 1983 Earthquake
The earthquake hit South Sandwich Islands region on Friday, August 12, 1983 at 22:11 UTC with a magnitude of 5.1. The closest known location in the current dataset is Ushuaia, about 2739.1 km away. The epicenter is located at longitude -23.256 and latitude -58.276.
| Location | South Sandwich Islands region |
| Country | South Sandwich Islands region |
| Severity | Strong |
Earthquake map 1983-08-12
Closest countries
The 12 closest cities near the epicenter.
| Ushuaia | 2739.1 km |
| Río Grande | 2756.9 km |
| Río Gallegos | 2967.0 km |
| Punta Arenas | 2976.3 km |
| Caleta Olivia | 3211.3 km |
| Comodoro Rivadavia | 3252.2 km |
| Trelew | 3324.5 km |
| Mar del Plata | 3340.2 km |
| Puerto Madryn | 3347.2 km |
| Necochea | 3352.9 km |
| Balcarce | 3390.4 km |
| Viedma | 3391.1 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 4.8
South Sandwich Islands region
Unknown · 2026-07-28 21:32 UTC
72.7 km
M 4.4
South Sandwich Islands region
Unknown · 2026-03-25 12:32 UTC
40.0 km
M 4.3
South Sandwich Islands region
Unknown · 2026-02-10 01:13 UTC
35.4 km
M 4.4
South Sandwich Islands region
Unknown · 2026-02-07 07:49 UTC
60.7 km
M 5.0
South Sandwich Islands region
Unknown · 2025-12-23 12:16 UTC
7.3 km
M 4.5
South Sandwich Islands region
Unknown · 2025-12-21 01:12 UTC
96.2 km
M 4.8
South Sandwich Islands region
Unknown · 2025-11-23 09:04 UTC
26.1 km
M 4.4
South Sandwich Islands region
Unknown · 2025-10-27 05:43 UTC
29.1 km
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