| Magnitude | 5.5 |
| Alert | Strong |
| Depth | 33.0 km |
| Coordinates | -60.371, -27.067 |
| UTC time | 1983-09-17 12:46:55.950 |
Earthquake details
Saturday, September 17, 1983 Earthquake
The earthquake hit South Sandwich Islands region on Saturday, September 17, 1983 at 12:46 UTC with a magnitude of 5.5. The closest known location in the current dataset is Ushuaia, about 2492.7 km away. The epicenter is located at longitude -27.067 and latitude -60.371.
| Location | South Sandwich Islands region |
| Country | South Sandwich Islands region |
| Severity | Strong |
Earthquake map 1983-09-17
Closest countries
The 12 closest cities near the epicenter.
| Ushuaia | 2492.7 km |
| Río Grande | 2520.0 km |
| Punta Arenas | 2735.4 km |
| Río Gallegos | 2742.3 km |
| Caleta Olivia | 3031.2 km |
| Comodoro Rivadavia | 3076.5 km |
| Trelew | 3177.9 km |
| Puerto Madryn | 3205.4 km |
| Viedma | 3274.1 km |
| Mar del Plata | 3277.2 km |
| Necochea | 3278.2 km |
| Balcarce | 3323.4 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 4.6
South Sandwich Islands region
Unknown · 2026-07-17 18:24 UTC
87.2 km
M 5.4
South Sandwich Islands region
Unknown · 2026-07-11 06:52 UTC
94.4 km
M 4.3
South Sandwich Islands region
Unknown · 2026-05-24 10:04 UTC
73.5 km
M 5.0
South Sandwich Islands region
Unknown · 2026-03-22 11:39 UTC
93.7 km
M 4.3
South Sandwich Islands region
Unknown · 2026-02-20 11:43 UTC
63.2 km
M 4.6
South Sandwich Islands region
Unknown · 2026-01-27 09:54 UTC
68.3 km
M 5.2
South Sandwich Islands region
Unknown · 2026-01-27 01:31 UTC
97.5 km
M 5.1
South Sandwich Islands region
Unknown · 2025-12-28 04:36 UTC
69.6 km
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