| Magnitude | 5.1 |
| Alert | Strong |
| Depth | 33.0 km |
| Coordinates | -56.330, -25.639 |
| UTC time | 1977-09-14 15:03:12.300 |
Earthquake details
Wednesday, September 14, 1977 Earthquake
The earthquake hit South Sandwich Islands region on Wednesday, September 14, 1977 at 15:03 UTC with a magnitude of 5.1. The closest known location in the current dataset is Ushuaia, about 2648.1 km away. The epicenter is located at longitude -25.639 and latitude -56.330.
| 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 | 2648.1 km |
| Río Grande | 2654.8 km |
| Río Gallegos | 2850.6 km |
| Punta Arenas | 2877.1 km |
| Caleta Olivia | 3053.6 km |
| Comodoro Rivadavia | 3091.1 km |
| Mar del Plata | 3113.3 km |
| Necochea | 3131.1 km |
| Trelew | 3142.2 km |
| Puerto Madryn | 3161.8 km |
| Balcarce | 3165.1 km |
| Viedma | 3190.4 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
68.7 km
M 5.0
South Sandwich Islands region
Unknown · 2026-09-04 06:45 UTC
37.9 km
M 5.2
South Sandwich Islands region
Unknown · 2026-09-02 10:54 UTC
78.3 km
M 5.1
South Sandwich Islands region
Unknown · 2026-08-30 03:55 UTC
85.2 km
M 4.6
South Sandwich Islands region
Unknown · 2026-07-12 15:15 UTC
95.3 km
M 4.9
South Sandwich Islands region
Unknown · 2026-06-30 15:15 UTC
93.3 km
M 4.6
South Sandwich Islands region
Unknown · 2026-06-19 03:50 UTC
1.2 km
M 4.4
South Sandwich Islands region
Unknown · 2026-06-17 20:06 UTC
51.3 km
Stay informed
Earthquake alerts
Create targeted notifications for important seismic activity near the places you follow.