| Magnitude | 5.4 |
| Alert | Strong |
| Depth | 33.0 km |
| Coordinates | -60.281, -24.940 |
| UTC time | 1983-10-28 06:01:14.150 |
Earthquake details
Friday, October 28, 1983 Earthquake
The earthquake hit South Sandwich Islands region on Friday, October 28, 1983 at 06:01 UTC with a magnitude of 5.4. The closest known location in the current dataset is Ushuaia, about 2610.3 km away. The epicenter is located at longitude -24.940 and latitude -60.281.
| Location | South Sandwich Islands region |
| Country | South Sandwich Islands region |
| Severity | Strong |
Earthquake map 1983-10-28
Closest countries
The 12 closest cities near the epicenter.
| Ushuaia | 2610.3 km |
| Río Grande | 2637.6 km |
| Punta Arenas | 2853.0 km |
| Río Gallegos | 2859.4 km |
| Caleta Olivia | 3144.3 km |
| Comodoro Rivadavia | 3189.0 km |
| Trelew | 3286.2 km |
| Puerto Madryn | 3312.9 km |
| Mar del Plata | 3368.7 km |
| Necochea | 3372.4 km |
| Viedma | 3377.2 km |
| Balcarce | 3415.9 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
17.1 km
M 4.7
South Sandwich Islands region
Unknown · 2026-05-29 10:32 UTC
97.7 km
M 4.3
South Sandwich Islands region
Unknown · 2026-05-24 10:04 UTC
84.7 km
M 4.5
South Sandwich Islands region
Unknown · 2026-03-24 00:54 UTC
98.2 km
M 5.0
South Sandwich Islands region
Unknown · 2026-03-22 11:39 UTC
98.1 km
M 4.6
South Sandwich Islands region
Unknown · 2026-01-27 09:54 UTC
76.8 km
M 4.1
South Sandwich Islands region
Unknown · 2025-12-20 18:27 UTC
17.1 km
M 4.3
South Sandwich Islands region
Unknown · 2025-12-10 07:33 UTC
99.5 km
Stay informed
Earthquake alerts
Create targeted notifications for important seismic activity near the places you follow.