| Magnitude | 5.2 |
| Alert | Strong |
| Depth | 33.0 km |
| Coordinates | -55.514, -26.525 |
| UTC time | 1977-09-25 06:12:54.200 |
Earthquake details
Sunday, September 25, 1977 Earthquake
The earthquake hit South Sandwich Islands region on Sunday, September 25, 1977 at 06:12 UTC with a magnitude of 5.2. The closest known location in the current dataset is Ushuaia, about 2618.4 km away. The epicenter is located at longitude -26.525 and latitude -55.514.
| Location | South Sandwich Islands region |
| Country | South Sandwich Islands region |
| Severity | Strong |
Earthquake map 1977-09-25
Closest countries
The 12 closest cities near the epicenter.
| Ushuaia | 2618.4 km |
| Río Grande | 2620.4 km |
| Río Gallegos | 2809.5 km |
| Punta Arenas | 2843.4 km |
| Caleta Olivia | 2994.1 km |
| Mar del Plata | 3022.6 km |
| Comodoro Rivadavia | 3029.9 km |
| Necochea | 3042.7 km |
| Trelew | 3071.6 km |
| Balcarce | 3075.1 km |
| Puerto Madryn | 3089.7 km |
| Viedma | 3111.6 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 4.9
South Sandwich Islands region
Unknown · 2026-09-12 11:05 UTC
88.8 km
M 5.0
South Sandwich Islands region
Unknown · 2026-09-04 06:45 UTC
74.6 km
M 5.0
South Sandwich Islands region
Unknown · 2026-07-29 10:30 UTC
66.3 km
M 4.6
South Sandwich Islands region
Unknown · 2026-07-12 15:15 UTC
42.2 km
M 4.5
South Sandwich Islands region
Unknown · 2026-07-03 01:53 UTC
84.7 km
M 4.6
South Sandwich Islands region
Unknown · 2026-07-03 01:49 UTC
73.2 km
M 4.9
South Sandwich Islands region
Unknown · 2026-06-30 15:15 UTC
71.2 km
M 4.6
South Sandwich Islands region
Unknown · 2026-06-30 01:33 UTC
33.6 km
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