| Magnitude | 6.1 |
| Alert | Severe |
| Depth | 122.0 km |
| Coordinates | -56.115, -27.558 |
| UTC time | 1977-07-10 01:42:36.500 |
Earthquake details
Sunday, July 10, 1977 Earthquake
The earthquake hit South Sandwich Islands region on Sunday, July 10, 1977 at 01:42 UTC with a magnitude of 6.1. The closest known location in the current dataset is Ushuaia, about 2538.8 km away. The epicenter is located at longitude -27.558 and latitude -56.115.
| Location | South Sandwich Islands region |
| Country | South Sandwich Islands region |
| Severity | Severe |
Earthquake map 1977-07-10
Closest countries
The 12 closest cities near the epicenter.
| Ushuaia | 2538.8 km |
| Río Grande | 2543.1 km |
| Río Gallegos | 2736.1 km |
| Punta Arenas | 2765.8 km |
| Caleta Olivia | 2933.5 km |
| Comodoro Rivadavia | 2970.7 km |
| Mar del Plata | 2997.5 km |
| Necochea | 3014.0 km |
| Trelew | 3021.0 km |
| Puerto Madryn | 3040.6 km |
| Balcarce | 3048.9 km |
| Viedma | 3070.0 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 4.8
South Sandwich Islands region
Unknown · 2026-09-29 04:16 UTC
97.8 km
M 5.0
South Sandwich Islands region
Unknown · 2026-09-19 09:59 UTC
64.5 km
M 4.9
South Sandwich Islands region
Unknown · 2026-09-12 11:05 UTC
54.1 km
M 5.0
South Sandwich Islands region
Unknown · 2026-09-04 06:45 UTC
86.5 km
M 6.2
South Sandwich Islands region
Unknown · 2026-09-02 23:46 UTC
24.0 km
M 5.2
South Sandwich Islands region
Unknown · 2026-09-02 10:54 UTC
51.1 km
M 4.4
South Sandwich Islands region
Unknown · 2026-08-31 21:46 UTC
32.4 km
M 5.1
South Sandwich Islands region
Unknown · 2026-08-30 03:55 UTC
51.2 km
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