| Magnitude | 5.3 |
| Alert | Strong |
| Depth | 38.0 km |
| Coordinates | -58.663, -25.297 |
| UTC time | 1973-12-31 10:47:11.300 |
Earthquake details
Monday, December 31, 1973 Earthquake
The earthquake hit South Sandwich Islands region on Monday, December 31, 1973 at 10:47 UTC with a magnitude of 5.3. The closest known location in the current dataset is Ushuaia, about 2614.4 km away. The epicenter is located at longitude -25.297 and latitude -58.663.
| Location | South Sandwich Islands region |
| Country | South Sandwich Islands region |
| Severity | Strong |
Earthquake map 1973-12-31
Closest countries
The 12 closest cities near the epicenter.
| Ushuaia | 2614.4 km |
| Río Grande | 2633.3 km |
| Río Gallegos | 2845.1 km |
| Punta Arenas | 2852.3 km |
| Caleta Olivia | 3097.5 km |
| Comodoro Rivadavia | 3139.4 km |
| Trelew | 3218.3 km |
| Puerto Madryn | 3242.3 km |
| Mar del Plata | 3257.1 km |
| Necochea | 3266.3 km |
| Viedma | 3292.5 km |
| Balcarce | 3306.2 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 5.0
South Sandwich Islands region
Unknown · 2026-09-27 21:13 UTC
55.8 km
M 5.1
South Sandwich Islands region
Unknown · 2026-09-12 00:55 UTC
56.6 km
M 5.1
South Sandwich Islands region
Unknown · 2026-09-08 06:50 UTC
82.2 km
M 4.9
South Sandwich Islands region
Unknown · 2026-08-23 17:23 UTC
9.7 km
M 5.4
South Sandwich Islands region
Unknown · 2026-08-21 13:06 UTC
75.6 km
M 4.8
South Sandwich Islands region
Unknown · 2026-07-28 21:32 UTC
94.0 km
M 4.9
South Sandwich Islands region
Unknown · 2026-07-24 00:37 UTC
14.6 km
M 4.9
South Sandwich Islands region
Unknown · 2026-07-21 08:53 UTC
67.9 km
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