| Magnitude | 5.5 |
| Alert | Strong |
| Depth | 23.9 km |
| Coordinates | -60.484, -26.255 |
| UTC time | 1966-10-11 07:59:42.790 |
Earthquake details
Tuesday, October 11, 1966 Earthquake
The earthquake hit South Sandwich Islands region on Tuesday, October 11, 1966 at 07:59 UTC with a magnitude of 5.5. The closest known location in the current dataset is Ushuaia, about 2536.2 km away. The epicenter is located at longitude -26.255 and latitude -60.484.
| Location | South Sandwich Islands region |
| Country | South Sandwich Islands region |
| Severity | Strong |
Earthquake map 1966-10-11
Closest countries
The 12 closest cities near the epicenter.
| Ushuaia | 2536.2 km |
| Río Grande | 2564.3 km |
| Punta Arenas | 2779.3 km |
| Río Gallegos | 2787.2 km |
| Caleta Olivia | 3077.5 km |
| Comodoro Rivadavia | 3122.8 km |
| Trelew | 3224.2 km |
| Puerto Madryn | 3251.6 km |
| Viedma | 3319.8 km |
| Mar del Plata | 3320.9 km |
| Necochea | 3322.5 km |
| Balcarce | 3367.3 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 4.6
South Sandwich Islands region
Unknown · 2026-07-17 18:24 UTC
89.3 km
M 4.2
South Sandwich Islands region
Unknown · 2026-07-13 11:05 UTC
74.5 km
M 4.3
South Sandwich Islands region
Unknown · 2026-05-24 10:04 UTC
69.1 km
M 5.0
South Sandwich Islands region
Unknown · 2026-03-22 11:39 UTC
92.4 km
M 4.6
South Sandwich Islands region
Unknown · 2026-01-27 09:54 UTC
59.2 km
M 5.1
South Sandwich Islands region
Unknown · 2025-12-28 04:36 UTC
86.8 km
M 4.1
South Sandwich Islands region
Unknown · 2025-12-20 18:27 UTC
61.5 km
M 5.1
South Sandwich Islands region
Unknown · 2025-12-12 13:56 UTC
97.3 km
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