| Magnitude | 5.5 |
| Alert | Strong |
| Depth | 117.2 km |
| Coordinates | -56.004, -27.594 |
| UTC time | 1966-05-11 03:49:18.290 |
Earthquake details
Wednesday, May 11, 1966 Earthquake
The earthquake hit South Sandwich Islands region on Wednesday, May 11, 1966 at 03:49 UTC with a magnitude of 5.5. The closest known location in the current dataset is Ushuaia, about 2539.6 km away. The epicenter is located at longitude -27.594 and latitude -56.004.
| Location | South Sandwich Islands region |
| Country | South Sandwich Islands region |
| Severity | Strong |
Earthquake map 1966-05-11
Closest countries
The 12 closest cities near the epicenter.
| Ushuaia | 2539.6 km |
| Río Grande | 2543.4 km |
| Río Gallegos | 2735.4 km |
| Punta Arenas | 2766.1 km |
| Caleta Olivia | 2930.4 km |
| Comodoro Rivadavia | 2967.3 km |
| Mar del Plata | 2989.5 km |
| Necochea | 3006.3 km |
| Trelew | 3016.3 km |
| Puerto Madryn | 3035.6 km |
| Balcarce | 3041.0 km |
| Viedma | 3064.0 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 4.8
South Sandwich Islands region
Unknown · 2026-09-29 06:38 UTC
99.5 km
M 4.8
South Sandwich Islands region
Unknown · 2026-09-29 04:16 UTC
85.7 km
M 5.0
South Sandwich Islands region
Unknown · 2026-09-19 09:59 UTC
53.1 km
M 4.9
South Sandwich Islands region
Unknown · 2026-09-12 11:05 UTC
61.8 km
M 5.0
South Sandwich Islands region
Unknown · 2026-09-04 06:45 UTC
90.3 km
M 6.2
South Sandwich Islands region
Unknown · 2026-09-02 23:46 UTC
29.8 km
M 5.2
South Sandwich Islands region
Unknown · 2026-09-02 10:54 UTC
61.1 km
M 4.4
South Sandwich Islands region
Unknown · 2026-08-31 21:46 UTC
31.3 km
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