| Magnitude | 5.3 |
| Alert | Strong |
| Depth | 47.0 km |
| Coordinates | -56.207, -26.243 |
| UTC time | 1983-04-17 02:54:43.950 |
Earthquake details
Sunday, April 17, 1983 Earthquake
The earthquake hit South Sandwich Islands region on Sunday, April 17, 1983 at 02:54 UTC with a magnitude of 5.3. The closest known location in the current dataset is Ushuaia, about 2615.3 km away. The epicenter is located at longitude -26.243 and latitude -56.207.
| Location | South Sandwich Islands region |
| Country | South Sandwich Islands region |
| Severity | Strong |
Earthquake map 1983-04-17
Closest countries
The 12 closest cities near the epicenter.
| Ushuaia | 2615.3 km |
| Río Grande | 2621.0 km |
| Río Gallegos | 2815.5 km |
| Punta Arenas | 2843.5 km |
| Caleta Olivia | 3015.6 km |
| Comodoro Rivadavia | 3052.8 km |
| Mar del Plata | 3073.9 km |
| Necochea | 3091.5 km |
| Trelew | 3102.9 km |
| Puerto Madryn | 3122.4 km |
| Balcarce | 3125.7 km |
| Viedma | 3150.7 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 4.9
South Sandwich Islands region
Unknown · 2026-09-12 11:05 UTC
33.1 km
M 5.0
South Sandwich Islands region
Unknown · 2026-09-04 06:45 UTC
7.7 km
M 5.2
South Sandwich Islands region
Unknown · 2026-09-02 10:54 UTC
45.9 km
M 5.1
South Sandwich Islands region
Unknown · 2026-08-30 03:55 UTC
54.5 km
M 5.0
South Sandwich Islands region
Unknown · 2026-07-29 10:30 UTC
78.7 km
M 4.6
South Sandwich Islands region
Unknown · 2026-07-12 15:15 UTC
57.8 km
M 4.5
South Sandwich Islands region
Unknown · 2026-07-03 01:53 UTC
83.0 km
M 4.6
South Sandwich Islands region
Unknown · 2026-07-03 01:49 UTC
77.6 km
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