| Magnitude | 5.3 |
| Alert | Strong |
| Depth | 33.0 km |
| Coordinates | -57.911, -23.151 |
| UTC time | 1990-10-28 16:03:41.920 |
Earthquake details
Sunday, October 28, 1990 Earthquake
The earthquake hit South Sandwich Islands region on Sunday, October 28, 1990 at 16:03 UTC with a magnitude of 5.3. The closest known location in the current dataset is Ushuaia, about 2753.6 km away. The epicenter is located at longitude -23.151 and latitude -57.911.
| Location | South Sandwich Islands region |
| Country | South Sandwich Islands region |
| Severity | Strong |
Earthquake map 1990-10-28
Closest countries
The 12 closest cities near the epicenter.
| Ushuaia | 2753.6 km |
| Río Grande | 2769.6 km |
| Río Gallegos | 2977.5 km |
| Punta Arenas | 2989.6 km |
| Caleta Olivia | 3214.4 km |
| Comodoro Rivadavia | 3254.7 km |
| Trelew | 3322.6 km |
| Mar del Plata | 3327.2 km |
| Necochea | 3341.4 km |
| Puerto Madryn | 3344.7 km |
| Balcarce | 3377.9 km |
| Viedma | 3385.1 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 4.3
South Sandwich Islands region
Unknown · 2026-06-24 10:17 UTC
97.6 km
M 4.4
South Sandwich Islands region
Unknown · 2026-03-25 12:32 UTC
74.9 km
M 4.3
South Sandwich Islands region
Unknown · 2026-02-10 01:13 UTC
72.9 km
M 4.4
South Sandwich Islands region
Unknown · 2026-02-07 07:49 UTC
35.4 km
M 5.0
South Sandwich Islands region
Unknown · 2025-12-23 12:16 UTC
48.2 km
M 4.8
South Sandwich Islands region
Unknown · 2025-11-23 09:04 UTC
59.8 km
M 4.4
South Sandwich Islands region
Unknown · 2025-10-27 05:43 UTC
13.5 km
M 5.6
South Sandwich Islands region
Unknown · 2025-10-08 03:50 UTC
68.7 km
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