| Magnitude | 5.8 |
| Alert | Strong |
| Depth | 21.1 km |
| Coordinates | -60.360, -27.075 |
| UTC time | 1966-09-18 15:14:25.200 |
Earthquake details
Sunday, September 18, 1966 Earthquake
The earthquake hit South Sandwich Islands region on Sunday, September 18, 1966 at 15:14 UTC with a magnitude of 5.8. The closest known location in the current dataset is Ushuaia, about 2492.3 km away. The epicenter is located at longitude -27.075 and latitude -60.360.
| Location | South Sandwich Islands region |
| Country | South Sandwich Islands region |
| Severity | Strong |
Earthquake map 1966-09-18
Closest countries
The 12 closest cities near the epicenter.
| Ushuaia | 2492.3 km |
| Río Grande | 2519.6 km |
| Punta Arenas | 2735.0 km |
| Río Gallegos | 2741.8 km |
| Caleta Olivia | 3030.5 km |
| Comodoro Rivadavia | 3075.8 km |
| Trelew | 3177.1 km |
| Puerto Madryn | 3204.5 km |
| Viedma | 3273.1 km |
| Mar del Plata | 3276.1 km |
| Necochea | 3277.1 km |
| Balcarce | 3322.3 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
86.3 km
M 5.4
South Sandwich Islands region
Unknown · 2026-07-11 06:52 UTC
93.4 km
M 4.3
South Sandwich Islands region
Unknown · 2026-05-24 10:04 UTC
72.9 km
M 5.0
South Sandwich Islands region
Unknown · 2026-03-22 11:39 UTC
92.9 km
M 4.3
South Sandwich Islands region
Unknown · 2026-02-20 11:43 UTC
62.6 km
M 4.6
South Sandwich Islands region
Unknown · 2026-01-27 09:54 UTC
67.8 km
M 5.2
South Sandwich Islands region
Unknown · 2026-01-27 01:31 UTC
96.5 km
M 5.1
South Sandwich Islands region
Unknown · 2025-12-28 04:36 UTC
68.5 km
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