| Magnitude | 5.4 |
| Alert | Strong |
| Depth | 33.0 km |
| Coordinates | -56.889, -23.688 |
| UTC time | 1974-12-04 19:43:29.000 |
Earthquake details
Wednesday, December 4, 1974 Earthquake
The earthquake hit South Sandwich Islands region on Wednesday, December 4, 1974 at 19:43 UTC with a magnitude of 5.4. The closest known location in the current dataset is Ushuaia, about 2748.5 km away. The epicenter is located at longitude -23.688 and latitude -56.889.
| Location | South Sandwich Islands region |
| Country | South Sandwich Islands region |
| Severity | Strong |
Earthquake map 1974-12-04
Closest countries
The 12 closest cities near the epicenter.
| Ushuaia | 2748.5 km |
| Río Grande | 2759.2 km |
| Río Gallegos | 2960.2 km |
| Punta Arenas | 2980.7 km |
| Caleta Olivia | 3176.0 km |
| Comodoro Rivadavia | 3214.4 km |
| Mar del Plata | 3248.0 km |
| Necochea | 3265.7 km |
| Trelew | 3270.8 km |
| Puerto Madryn | 3291.0 km |
| Balcarce | 3299.8 km |
| Viedma | 3322.6 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 5.0
South Sandwich Islands region
Unknown · 2026-09-21 21:37 UTC
50.5 km
M 4.8
South Sandwich Islands region
Unknown · 2026-07-14 15:25 UTC
72.0 km
M 4.3
South Sandwich Islands region
Unknown · 2026-06-24 10:17 UTC
87.6 km
M 5.0
South Sandwich Islands region
Unknown · 2026-04-23 05:30 UTC
55.0 km
M 4.4
South Sandwich Islands region
Unknown · 2026-02-20 12:42 UTC
82.1 km
M 4.4
South Sandwich Islands region
Unknown · 2026-02-07 07:49 UTC
99.4 km
M 4.2
South Sandwich Islands region
Unknown · 2026-01-16 15:40 UTC
50.7 km
M 4.8
South Sandwich Islands region
Unknown · 2025-11-12 12:36 UTC
33.7 km
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