| Magnitude | 5.4 |
| Alert | Strong |
| Depth | 33.0 km |
| Coordinates | -55.789, -27.967 |
| UTC time | 1974-01-21 20:57:57.500 |
Earthquake details
Monday, January 21, 1974 Earthquake
The earthquake hit South Sandwich Islands region on Monday, January 21, 1974 at 20:57 UTC with a magnitude of 5.4. The closest known location in the current dataset is Ushuaia, about 2523.0 km away. The epicenter is located at longitude -27.967 and latitude -55.789.
| Location | South Sandwich Islands region |
| Country | South Sandwich Islands region |
| Severity | Strong |
Earthquake map 1974-01-21
Closest countries
The 12 closest cities near the epicenter.
| Ushuaia | 2523.0 km |
| Río Grande | 2525.3 km |
| Río Gallegos | 2715.5 km |
| Punta Arenas | 2748.3 km |
| Caleta Olivia | 2905.4 km |
| Comodoro Rivadavia | 2941.9 km |
| Mar del Plata | 2957.4 km |
| Necochea | 2974.7 km |
| Trelew | 2988.5 km |
| Puerto Madryn | 3007.6 km |
| Balcarce | 3009.1 km |
| Viedma | 3034.3 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
67.0 km
M 4.8
South Sandwich Islands region
Unknown · 2026-09-29 04:16 UTC
54.8 km
M 5.0
South Sandwich Islands region
Unknown · 2026-09-19 09:59 UTC
20.3 km
M 4.9
South Sandwich Islands region
Unknown · 2026-09-12 11:05 UTC
94.6 km
M 6.2
South Sandwich Islands region
Unknown · 2026-09-02 23:46 UTC
46.5 km
M 5.2
South Sandwich Islands region
Unknown · 2026-09-02 10:54 UTC
94.4 km
M 4.4
South Sandwich Islands region
Unknown · 2026-08-31 21:46 UTC
33.6 km
M 5.1
South Sandwich Islands region
Unknown · 2026-08-30 03:55 UTC
95.4 km
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