| Magnitude | 5.8 |
| Alert | Strong |
| Depth | 25.0 km |
| Coordinates | -55.493, -28.177 |
| UTC time | 1972-12-28 18:23:57.170 |
Earthquake details
Thursday, December 28, 1972 Earthquake
The earthquake hit South Sandwich Islands region on Thursday, December 28, 1972 at 18:23 UTC with a magnitude of 5.8. The closest known location in the current dataset is Ushuaia, about 2518.6 km away. The epicenter is located at longitude -28.177 and latitude -55.493.
| Location | South Sandwich Islands region |
| Country | South Sandwich Islands region |
| Severity | Strong |
Earthquake map 1972-12-28
Closest countries
The 12 closest cities near the epicenter.
| Ushuaia | 2518.6 km |
| Río Grande | 2519.2 km |
| Río Gallegos | 2706.9 km |
| Punta Arenas | 2742.4 km |
| Caleta Olivia | 2890.0 km |
| Comodoro Rivadavia | 2925.9 km |
| Mar del Plata | 2929.7 km |
| Necochea | 2948.0 km |
| Trelew | 2968.9 km |
| Balcarce | 2981.7 km |
| Puerto Madryn | 2987.3 km |
| Viedma | 3011.4 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
32.0 km
M 4.8
South Sandwich Islands region
Unknown · 2026-09-29 04:16 UTC
19.8 km
M 5.0
South Sandwich Islands region
Unknown · 2026-09-19 09:59 UTC
15.3 km
M 6.2
South Sandwich Islands region
Unknown · 2026-09-02 23:46 UTC
81.1 km
M 4.4
South Sandwich Islands region
Unknown · 2026-08-31 21:46 UTC
66.1 km
M 5.0
South Sandwich Islands region
Unknown · 2026-07-29 10:30 UTC
66.5 km
M 4.6
South Sandwich Islands region
Unknown · 2026-07-12 15:15 UTC
89.1 km
M 6.4
South Sandwich Islands region
Unknown · 2026-07-11 10:26 UTC
46.4 km
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