| Magnitude | 5.9 |
| Alert | Strong |
| Depth | 33.0 km |
| Coordinates | -56.889, -25.100 |
| UTC time | 1983-10-17 13:24:55.810 |
Earthquake details
Monday, October 17, 1983 Earthquake
The earthquake hit South Sandwich Islands region on Monday, October 17, 1983 at 13:24 UTC with a magnitude of 5.9. The closest known location in the current dataset is Ushuaia, about 2665.1 km away. The epicenter is located at longitude -25.100 and latitude -56.889.
| Location | South Sandwich Islands region |
| Country | South Sandwich Islands region |
| Severity | Strong |
Earthquake map 1983-10-17
Closest countries
The 12 closest cities near the epicenter.
| Ushuaia | 2665.1 km |
| Río Grande | 2675.0 km |
| Río Gallegos | 2875.1 km |
| Punta Arenas | 2896.7 km |
| Caleta Olivia | 3090.3 km |
| Comodoro Rivadavia | 3128.8 km |
| Mar del Plata | 3171.3 km |
| Trelew | 3186.3 km |
| Necochea | 3187.5 km |
| Puerto Madryn | 3206.8 km |
| Balcarce | 3222.6 km |
| Viedma | 3240.2 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 4.9
South Sandwich Islands region
Unknown · 2026-09-28 04:41 UTC
85.9 km
M 5.1
South Sandwich Islands region
Unknown · 2026-09-28 03:43 UTC
87.5 km
M 5.0
South Sandwich Islands region
Unknown · 2026-09-21 21:37 UTC
83.8 km
M 4.9
South Sandwich Islands region
Unknown · 2026-08-29 07:10 UTC
75.7 km
M 4.8
South Sandwich Islands region
Unknown · 2026-07-14 15:25 UTC
31.1 km
M 4.3
South Sandwich Islands region
Unknown · 2026-06-24 10:17 UTC
74.3 km
M 4.6
South Sandwich Islands region
Unknown · 2026-06-19 03:50 UTC
71.3 km
M 5.0
South Sandwich Islands region
Unknown · 2026-04-23 05:30 UTC
42.8 km
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