| Magnitude | 5.1 |
| Alert | Strong |
| Depth | 33.0 km |
| Coordinates | -55.107, -26.458 |
| UTC time | 1973-11-21 18:28:19.600 |
Earthquake details
Wednesday, November 21, 1973 Earthquake
The earthquake hit South Sandwich Islands region on Wednesday, November 21, 1973 at 18:28 UTC with a magnitude of 5.1. The closest known location in the current dataset is Río Grande, about 2635.1 km away. The epicenter is located at longitude -26.458 and latitude -55.107.
| Location | South Sandwich Islands region |
| Country | South Sandwich Islands region |
| Severity | Strong |
Earthquake map 1973-11-21
Closest countries
The 12 closest cities near the epicenter.
| Río Grande | 2635.1 km |
| Ushuaia | 2635.1 km |
| Río Gallegos | 2821.3 km |
| Punta Arenas | 2858.3 km |
| Caleta Olivia | 2996.9 km |
| Mar del Plata | 3006.0 km |
| Necochea | 3027.9 km |
| Comodoro Rivadavia | 3031.8 km |
| Balcarce | 3059.1 km |
| Trelew | 3068.3 km |
| Puerto Madryn | 3085.6 km |
| Viedma | 3103.3 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 4.6
South Sandwich Islands region
Unknown · 2026-07-12 15:15 UTC
85.2 km
M 4.6
South Sandwich Islands region
Unknown · 2026-06-30 01:33 UTC
60.1 km
M 5.1
South Sandwich Islands region
Unknown · 2026-06-30 00:15 UTC
65.7 km
M 4.7
South Sandwich Islands region
Unknown · 2026-06-28 22:14 UTC
52.7 km
M 4.6
South Sandwich Islands region
Unknown · 2026-06-22 12:45 UTC
84.2 km
M 5.0
South Sandwich Islands region
Unknown · 2026-06-17 19:48 UTC
74.4 km
M 4.3
South Sandwich Islands region
Unknown · 2026-06-16 19:27 UTC
78.1 km
M 4.9
South Sandwich Islands region
Unknown · 2026-06-16 17:13 UTC
85.1 km
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