| Magnitude | 7.2 |
| Alert | Extreme |
| Depth | 24.0 km |
| Coordinates | -60.665, -25.451 |
| UTC time | 1983-10-22 04:21:35.010 |
Earthquake details
Saturday, October 22, 1983 Earthquake
The earthquake hit South Sandwich Islands region on Saturday, October 22, 1983 at 04:21 UTC with a magnitude of 7.2. The closest known location in the current dataset is Ushuaia, about 2578.4 km away. The epicenter is located at longitude -25.451 and latitude -60.665.
| Location | South Sandwich Islands region |
| Country | South Sandwich Islands region |
| Severity | Extreme |
Earthquake map 1983-10-22
Closest countries
The 12 closest cities near the epicenter.
| Ushuaia | 2578.4 km |
| Río Grande | 2607.6 km |
| Punta Arenas | 2822.1 km |
| Río Gallegos | 2831.5 km |
| Caleta Olivia | 3124.6 km |
| Comodoro Rivadavia | 3170.0 km |
| Trelew | 3272.3 km |
| Puerto Madryn | 3299.8 km |
| Viedma | 3368.2 km |
| Mar del Plata | 3368.6 km |
| Necochea | 3370.4 km |
| Balcarce | 3415.1 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 4.2
South Sandwich Islands region
Unknown · 2026-07-13 11:05 UTC
61.0 km
M 4.3
South Sandwich Islands region
Unknown · 2026-05-24 10:04 UTC
98.7 km
M 4.6
South Sandwich Islands region
Unknown · 2026-01-27 09:54 UTC
88.2 km
M 4.1
South Sandwich Islands region
Unknown · 2025-12-20 18:27 UTC
47.7 km
M 4.5
South Sandwich Islands region
Unknown · 2025-08-26 17:57 UTC
45.8 km
M 4.5
South Sandwich Islands region
Unknown · 2025-08-19 17:49 UTC
92.5 km
M 4.3
South Sandwich Islands region
Unknown · 2025-07-11 05:18 UTC
20.4 km
M 4.6
South Sandwich Islands region
Unknown · 2025-06-28 05:01 UTC
83.2 km
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