| Magnitude | 5.5 |
| Alert | Strong |
| Depth | 33.0 km |
| Coordinates | -55.362, -28.106 |
| UTC time | 1975-01-03 05:44:09.800 |
Earthquake details
Friday, January 3, 1975 Earthquake
The earthquake hit South Sandwich Islands region on Friday, January 3, 1975 at 05:44 UTC with a magnitude of 5.5. The closest known location in the current dataset is Río Grande, about 2526.8 km away. The epicenter is located at longitude -28.106 and latitude -55.362.
| Location | South Sandwich Islands region |
| Country | South Sandwich Islands region |
| Severity | Strong |
Earthquake map 1975-01-03
Closest countries
The 12 closest cities near the epicenter.
| Río Grande | 2526.8 km |
| Ushuaia | 2526.8 km |
| Río Gallegos | 2713.5 km |
| Punta Arenas | 2750.0 km |
| Caleta Olivia | 2893.5 km |
| Mar del Plata | 2926.6 km |
| Comodoro Rivadavia | 2929.2 km |
| Necochea | 2945.4 km |
| Trelew | 2970.4 km |
| Balcarce | 2978.7 km |
| Puerto Madryn | 2988.6 km |
| Viedma | 3011.2 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
25.5 km
M 4.8
South Sandwich Islands region
Unknown · 2026-09-29 04:16 UTC
8.3 km
M 5.0
South Sandwich Islands region
Unknown · 2026-09-19 09:59 UTC
29.3 km
M 6.2
South Sandwich Islands region
Unknown · 2026-09-02 23:46 UTC
94.7 km
M 4.4
South Sandwich Islands region
Unknown · 2026-08-31 21:46 UTC
80.4 km
M 5.0
South Sandwich Islands region
Unknown · 2026-07-29 10:30 UTC
73.8 km
M 4.6
South Sandwich Islands region
Unknown · 2026-07-12 15:15 UTC
92.6 km
M 6.4
South Sandwich Islands region
Unknown · 2026-07-11 10:26 UTC
54.3 km
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