| Magnitude | 5.4 |
| Alert | Strong |
| Depth | 33.0 km |
| Coordinates | -58.193, -24.816 |
| UTC time | 1991-06-20 03:21:46.820 |
Earthquake details
Thursday, June 20, 1991 Earthquake
The earthquake hit South Sandwich Islands region on Thursday, June 20, 1991 at 03:21 UTC with a magnitude of 5.4. The closest known location in the current dataset is Ushuaia, about 2651.2 km away. The epicenter is located at longitude -24.816 and latitude -58.193.
| Location | South Sandwich Islands region |
| Country | South Sandwich Islands region |
| Severity | Strong |
Earthquake map 1991-06-20
Closest countries
The 12 closest cities near the epicenter.
| Ushuaia | 2651.2 km |
| Río Grande | 2667.8 km |
| Río Gallegos | 2876.8 km |
| Punta Arenas | 2887.6 km |
| Caleta Olivia | 3119.4 km |
| Comodoro Rivadavia | 3160.3 km |
| Trelew | 3233.2 km |
| Mar del Plata | 3255.3 km |
| Puerto Madryn | 3256.1 km |
| Necochea | 3266.8 km |
| Viedma | 3301.3 km |
| Balcarce | 3305.1 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
68.0 km
M 5.1
South Sandwich Islands region
Unknown · 2026-09-28 03:43 UTC
64.2 km
M 5.1
South Sandwich Islands region
Unknown · 2026-09-08 06:50 UTC
85.0 km
M 4.9
South Sandwich Islands region
Unknown · 2026-08-23 17:23 UTC
67.0 km
M 4.8
South Sandwich Islands region
Unknown · 2026-07-28 21:32 UTC
99.5 km
M 4.9
South Sandwich Islands region
Unknown · 2026-07-24 00:37 UTC
72.5 km
M 4.9
South Sandwich Islands region
Unknown · 2026-07-13 17:45 UTC
45.1 km
M 4.9
South Sandwich Islands region
Unknown · 2026-07-09 23:31 UTC
44.7 km
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