| Magnitude | 5.2 |
| Alert | Strong |
| Depth | 33.0 km |
| Coordinates | -59.561, -25.676 |
| UTC time | 1977-10-02 00:43:22.400 |
Earthquake details
Sunday, October 2, 1977 Earthquake
The earthquake hit South Sandwich Islands region on Sunday, October 2, 1977 at 00:43 UTC with a magnitude of 5.2. The closest known location in the current dataset is Ushuaia, about 2578.6 km away. The epicenter is located at longitude -25.676 and latitude -59.561.
| Location | South Sandwich Islands region |
| Country | South Sandwich Islands region |
| Severity | Strong |
Earthquake map 1977-10-02
Closest countries
The 12 closest cities near the epicenter.
| Ushuaia | 2578.6 km |
| Río Grande | 2602.0 km |
| Punta Arenas | 2819.2 km |
| Río Gallegos | 2819.4 km |
| Caleta Olivia | 3090.5 km |
| Comodoro Rivadavia | 3134.0 km |
| Trelew | 3224.0 km |
| Puerto Madryn | 3249.6 km |
| Mar del Plata | 3291.0 km |
| Necochea | 3296.5 km |
| Viedma | 3308.7 km |
| Balcarce | 3338.8 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 5.0
South Sandwich Islands region
Unknown · 2026-09-27 21:13 UTC
57.2 km
M 5.1
South Sandwich Islands region
Unknown · 2026-09-12 00:55 UTC
63.6 km
M 4.9
South Sandwich Islands region
Unknown · 2026-08-23 17:23 UTC
93.4 km
M 5.4
South Sandwich Islands region
Unknown · 2026-08-21 13:06 UTC
93.5 km
M 4.9
South Sandwich Islands region
Unknown · 2026-07-24 00:37 UTC
87.9 km
M 4.9
South Sandwich Islands region
Unknown · 2026-07-21 08:53 UTC
64.9 km
M 4.8
South Sandwich Islands region
Unknown · 2026-07-18 16:57 UTC
34.8 km
M 4.6
South Sandwich Islands region
Unknown · 2026-07-17 18:24 UTC
38.6 km
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