| Magnitude | 5.9 |
| Alert | Strong |
| Depth | 38.0 km |
| Coordinates | -56.380, -25.661 |
| UTC time | 1977-09-14 14:51:03.900 |
Earthquake details
Wednesday, September 14, 1977 Earthquake
The earthquake hit South Sandwich Islands region on Wednesday, September 14, 1977 at 14:51 UTC with a magnitude of 5.9. The closest known location in the current dataset is Ushuaia, about 2645.4 km away. The epicenter is located at longitude -25.661 and latitude -56.380.
| Location | South Sandwich Islands region |
| Country | South Sandwich Islands region |
| Severity | Strong |
Earthquake map 1977-09-14
Closest countries
The 12 closest cities near the epicenter.
| Ushuaia | 2645.4 km |
| Río Grande | 2652.4 km |
| Río Gallegos | 2848.5 km |
| Punta Arenas | 2874.6 km |
| Caleta Olivia | 3052.6 km |
| Comodoro Rivadavia | 3090.1 km |
| Mar del Plata | 3114.7 km |
| Necochea | 3132.3 km |
| Trelew | 3141.9 km |
| Puerto Madryn | 3161.6 km |
| Balcarce | 3166.4 km |
| Viedma | 3190.8 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
67.7 km
M 5.0
South Sandwich Islands region
Unknown · 2026-09-04 06:45 UTC
39.9 km
M 5.2
South Sandwich Islands region
Unknown · 2026-09-02 10:54 UTC
76.5 km
M 5.1
South Sandwich Islands region
Unknown · 2026-08-30 03:55 UTC
83.0 km
M 4.8
South Sandwich Islands region
Unknown · 2026-07-14 15:25 UTC
97.3 km
M 4.6
South Sandwich Islands region
Unknown · 2026-07-12 15:15 UTC
97.5 km
M 4.9
South Sandwich Islands region
Unknown · 2026-06-30 15:15 UTC
93.8 km
M 4.6
South Sandwich Islands region
Unknown · 2026-06-19 03:50 UTC
6.9 km
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