| Magnitude | 5.8 |
| Alert | Strong |
| Depth | 33.0 km |
| Coordinates | -57.761, -25.370 |
| UTC time | 1991-10-27 22:05:03.580 |
Earthquake details
Sunday, October 27, 1991 Earthquake
The earthquake hit South Sandwich Islands region on Sunday, October 27, 1991 at 22:05 UTC with a magnitude of 5.8. The closest known location in the current dataset is Ushuaia, about 2628.3 km away. The epicenter is located at longitude -25.370 and latitude -57.761.
| Location | South Sandwich Islands region |
| Country | South Sandwich Islands region |
| Severity | Strong |
Earthquake map 1991-10-27
Closest countries
The 12 closest cities near the epicenter.
| Ushuaia | 2628.3 km |
| Río Grande | 2642.5 km |
| Río Gallegos | 2848.4 km |
| Punta Arenas | 2863.0 km |
| Caleta Olivia | 3082.0 km |
| Comodoro Rivadavia | 3122.2 km |
| Trelew | 3190.5 km |
| Mar del Plata | 3203.3 km |
| Puerto Madryn | 3212.8 km |
| Necochea | 3215.8 km |
| Balcarce | 3253.4 km |
| Viedma | 3254.8 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 4.9
South Sandwich Islands region
Unknown · 2026-09-28 04:41 UTC
12.4 km
M 5.1
South Sandwich Islands region
Unknown · 2026-09-28 03:43 UTC
11.5 km
M 5.1
South Sandwich Islands region
Unknown · 2026-09-08 06:50 UTC
66.0 km
M 4.9
South Sandwich Islands region
Unknown · 2026-08-29 07:10 UTC
41.9 km
M 4.8
South Sandwich Islands region
Unknown · 2026-07-14 15:25 UTC
79.3 km
M 4.9
South Sandwich Islands region
Unknown · 2026-07-13 17:45 UTC
90.6 km
M 4.9
South Sandwich Islands region
Unknown · 2026-07-09 23:31 UTC
94.4 km
M 4.6
South Sandwich Islands region
Unknown · 2026-07-04 07:13 UTC
34.7 km
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