| Magnitude | 5.7 |
| Alert | Strong |
| Depth | 100.0 km |
| Coordinates | -56.111, -27.620 |
| UTC time | 1966-10-16 12:55:32.080 |
Earthquake details
Sunday, October 16, 1966 Earthquake
The earthquake hit South Sandwich Islands region on Sunday, October 16, 1966 at 12:55 UTC with a magnitude of 5.7. The closest known location in the current dataset is Ushuaia, about 2535.2 km away. The epicenter is located at longitude -27.620 and latitude -56.111.
| Location | South Sandwich Islands region |
| Country | South Sandwich Islands region |
| Severity | Strong |
Earthquake map 1966-10-16
Closest countries
The 12 closest cities near the epicenter.
| Ushuaia | 2535.2 km |
| Río Grande | 2539.5 km |
| Río Gallegos | 2732.3 km |
| Punta Arenas | 2762.2 km |
| Caleta Olivia | 2929.7 km |
| Comodoro Rivadavia | 2966.8 km |
| Mar del Plata | 2993.9 km |
| Necochea | 3010.3 km |
| Trelew | 3017.2 km |
| Puerto Madryn | 3036.8 km |
| Balcarce | 3045.3 km |
| Viedma | 3066.2 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
95.8 km
M 5.0
South Sandwich Islands region
Unknown · 2026-09-19 09:59 UTC
62.1 km
M 4.9
South Sandwich Islands region
Unknown · 2026-09-12 11:05 UTC
57.8 km
M 5.0
South Sandwich Islands region
Unknown · 2026-09-04 06:45 UTC
90.4 km
M 6.2
South Sandwich Islands region
Unknown · 2026-09-02 23:46 UTC
20.8 km
M 5.2
South Sandwich Islands region
Unknown · 2026-09-02 10:54 UTC
54.5 km
M 4.4
South Sandwich Islands region
Unknown · 2026-08-31 21:46 UTC
28.5 km
M 5.1
South Sandwich Islands region
Unknown · 2026-08-30 03:55 UTC
54.2 km
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