| Magnitude | 5.9 |
| Alert | Strong |
| Depth | 97.0 km |
| Coordinates | -55.991, -27.678 |
| UTC time | 1975-10-22 11:38:51.900 |
Earthquake details
Wednesday, October 22, 1975 Earthquake
The earthquake hit South Sandwich Islands region on Wednesday, October 22, 1975 at 11:38 UTC with a magnitude of 5.9. The closest known location in the current dataset is Ushuaia, about 2534.9 km away. The epicenter is located at longitude -27.678 and latitude -55.991.
| Location | South Sandwich Islands region |
| Country | South Sandwich Islands region |
| Severity | Strong |
Earthquake map 1975-10-22
Closest countries
The 12 closest cities near the epicenter.
| Ushuaia | 2534.9 km |
| Río Grande | 2538.5 km |
| Río Gallegos | 2730.4 km |
| Punta Arenas | 2761.3 km |
| Caleta Olivia | 2925.1 km |
| Comodoro Rivadavia | 2962.0 km |
| Mar del Plata | 2984.2 km |
| Necochea | 3001.0 km |
| Trelew | 3010.8 km |
| Puerto Madryn | 3030.2 km |
| Balcarce | 3035.7 km |
| Viedma | 3058.6 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
95.5 km
M 4.8
South Sandwich Islands region
Unknown · 2026-09-29 04:16 UTC
82.2 km
M 5.0
South Sandwich Islands region
Unknown · 2026-09-19 09:59 UTC
48.8 km
M 4.9
South Sandwich Islands region
Unknown · 2026-09-12 11:05 UTC
67.0 km
M 5.0
South Sandwich Islands region
Unknown · 2026-09-04 06:45 UTC
95.7 km
M 6.2
South Sandwich Islands region
Unknown · 2026-09-02 23:46 UTC
27.9 km
M 5.2
South Sandwich Islands region
Unknown · 2026-09-02 10:54 UTC
65.8 km
M 4.4
South Sandwich Islands region
Unknown · 2026-08-31 21:46 UTC
26.9 km
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