| Magnitude | 5.0 |
| Alert | Strong |
| Depth | 102.0 km |
| Coordinates | -55.945, -27.602 |
| UTC time | 1977-12-25 13:19:24.200 |
Earthquake details
Sunday, December 25, 1977 Earthquake
The earthquake hit South Sandwich Islands region on Sunday, December 25, 1977 at 13:19 UTC with a magnitude of 5.0. The closest known location in the current dataset is Ushuaia, about 2540.7 km away. The epicenter is located at longitude -27.602 and latitude -55.945.
| Location | South Sandwich Islands region |
| Country | South Sandwich Islands region |
| Severity | Strong |
Earthquake map 1977-12-25
Closest countries
The 12 closest cities near the epicenter.
| Ushuaia | 2540.7 km |
| Río Grande | 2544.2 km |
| Río Gallegos | 2735.8 km |
| Punta Arenas | 2767.0 km |
| Caleta Olivia | 2929.4 km |
| Comodoro Rivadavia | 2966.2 km |
| Mar del Plata | 2985.8 km |
| Necochea | 3002.9 km |
| Trelew | 3014.4 km |
| Puerto Madryn | 3033.7 km |
| Balcarce | 3037.4 km |
| Viedma | 3061.4 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
93.8 km
M 4.8
South Sandwich Islands region
Unknown · 2026-09-29 04:16 UTC
79.7 km
M 5.0
South Sandwich Islands region
Unknown · 2026-09-19 09:59 UTC
47.7 km
M 4.9
South Sandwich Islands region
Unknown · 2026-09-12 11:05 UTC
66.0 km
M 5.0
South Sandwich Islands region
Unknown · 2026-09-04 06:45 UTC
92.3 km
M 6.2
South Sandwich Islands region
Unknown · 2026-09-02 23:46 UTC
34.7 km
M 5.2
South Sandwich Islands region
Unknown · 2026-09-02 10:54 UTC
66.3 km
M 4.4
South Sandwich Islands region
Unknown · 2026-08-31 21:46 UTC
33.3 km
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