| Magnitude | 5.3 |
| Alert | Strong |
| Depth | 33.0 km |
| Coordinates | -56.018, -27.787 |
| UTC time | 1983-05-21 12:22:02.220 |
Earthquake details
Saturday, May 21, 1983 Earthquake
The earthquake hit South Sandwich Islands region on Saturday, May 21, 1983 at 12:22 UTC with a magnitude of 5.3. The closest known location in the current dataset is Ushuaia, about 2527.6 km away. The epicenter is located at longitude -27.787 and latitude -56.018.
| Location | South Sandwich Islands region |
| Country | South Sandwich Islands region |
| Severity | Strong |
Earthquake map 1983-05-21
Closest countries
The 12 closest cities near the epicenter.
| Ushuaia | 2527.6 km |
| Río Grande | 2531.3 km |
| Río Gallegos | 2723.3 km |
| Punta Arenas | 2754.1 km |
| Caleta Olivia | 2918.5 km |
| Comodoro Rivadavia | 2955.5 km |
| Mar del Plata | 2979.8 km |
| Necochea | 2996.4 km |
| Trelew | 3004.8 km |
| Puerto Madryn | 3024.3 km |
| Balcarce | 3031.2 km |
| Viedma | 3053.1 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 4.8
South Sandwich Islands region
Unknown · 2026-09-29 06:38 UTC
94.8 km
M 4.8
South Sandwich Islands region
Unknown · 2026-09-29 04:16 UTC
82.5 km
M 5.0
South Sandwich Islands region
Unknown · 2026-09-19 09:59 UTC
48.1 km
M 4.9
South Sandwich Islands region
Unknown · 2026-09-12 11:05 UTC
71.5 km
M 6.2
South Sandwich Islands region
Unknown · 2026-09-02 23:46 UTC
22.2 km
M 5.2
South Sandwich Islands region
Unknown · 2026-09-02 10:54 UTC
69.0 km
M 4.4
South Sandwich Islands region
Unknown · 2026-08-31 21:46 UTC
19.5 km
M 5.1
South Sandwich Islands region
Unknown · 2026-08-30 03:55 UTC
68.8 km
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