| Magnitude | 5.9 |
| Alert | Strong |
| Depth | 33.0 km |
| Coordinates | -55.494, -26.149 |
| UTC time | 1985-04-28 22:56:51.330 |
Earthquake details
Sunday, April 28, 1985 Earthquake
The earthquake hit South Sandwich Islands region on Sunday, April 28, 1985 at 22:56 UTC with a magnitude of 5.9. The closest known location in the current dataset is Ushuaia, about 2641.8 km away. The epicenter is located at longitude -26.149 and latitude -55.494.
| Location | South Sandwich Islands region |
| Country | South Sandwich Islands region |
| Severity | Strong |
Earthquake map 1985-04-28
Closest countries
The 12 closest cities near the epicenter.
| Ushuaia | 2641.8 km |
| Río Grande | 2643.9 km |
| Río Gallegos | 2833.3 km |
| Punta Arenas | 2866.9 km |
| Caleta Olivia | 3017.7 km |
| Mar del Plata | 3042.8 km |
| Comodoro Rivadavia | 3053.5 km |
| Necochea | 3063.4 km |
| Trelew | 3094.6 km |
| Balcarce | 3095.4 km |
| Puerto Madryn | 3112.6 km |
| Viedma | 3133.8 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 4.9
South Sandwich Islands region
Unknown · 2026-09-12 11:05 UTC
97.4 km
M 5.0
South Sandwich Islands region
Unknown · 2026-09-04 06:45 UTC
73.3 km
M 5.0
South Sandwich Islands region
Unknown · 2026-07-29 10:30 UTC
87.2 km
M 4.6
South Sandwich Islands region
Unknown · 2026-07-12 15:15 UTC
59.8 km
M 4.6
South Sandwich Islands region
Unknown · 2026-07-03 01:49 UTC
93.4 km
M 4.9
South Sandwich Islands region
Unknown · 2026-06-30 15:15 UTC
86.7 km
M 4.6
South Sandwich Islands region
Unknown · 2026-06-30 01:33 UTC
57.4 km
M 5.1
South Sandwich Islands region
Unknown · 2026-06-30 00:15 UTC
67.4 km
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