| Magnitude | 5.5 |
| Alert | Strong |
| Depth | 33.0 km |
| Coordinates | -60.282, -25.249 |
| UTC time | 1983-10-22 22:08:28.920 |
Earthquake details
Saturday, October 22, 1983 Earthquake
The earthquake hit South Sandwich Islands region on Saturday, October 22, 1983 at 22:08 UTC with a magnitude of 5.5. The closest known location in the current dataset is Ushuaia, about 2593.3 km away. The epicenter is located at longitude -25.249 and latitude -60.282.
| Location | South Sandwich Islands region |
| Country | South Sandwich Islands region |
| Severity | Strong |
Earthquake map 1983-10-22
Closest countries
The 12 closest cities near the epicenter.
| Ushuaia | 2593.3 km |
| Río Grande | 2620.5 km |
| Punta Arenas | 2836.0 km |
| Río Gallegos | 2842.3 km |
| Caleta Olivia | 3127.6 km |
| Comodoro Rivadavia | 3172.3 km |
| Trelew | 3269.9 km |
| Puerto Madryn | 3296.7 km |
| Mar del Plata | 3354.4 km |
| Necochea | 3357.8 km |
| Viedma | 3361.5 km |
| Balcarce | 3401.5 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
89.4 km
M 4.2
South Sandwich Islands region
Unknown · 2026-07-13 11:05 UTC
17.5 km
M 4.7
South Sandwich Islands region
Unknown · 2026-05-29 10:32 UTC
95.1 km
M 4.3
South Sandwich Islands region
Unknown · 2026-05-24 10:04 UTC
71.1 km
M 4.5
South Sandwich Islands region
Unknown · 2026-03-24 00:54 UTC
90.3 km
M 5.0
South Sandwich Islands region
Unknown · 2026-03-22 11:39 UTC
87.0 km
M 4.6
South Sandwich Islands region
Unknown · 2026-01-27 09:54 UTC
62.3 km
M 4.1
South Sandwich Islands region
Unknown · 2025-12-20 18:27 UTC
3.7 km
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