| Magnitude | 5.3 |
| Alert | Strong |
| Depth | 33.0 km |
| Coordinates | -56.304, -26.480 |
| UTC time | 1983-08-30 18:03:02.100 |
Earthquake details
Tuesday, August 30, 1983 Earthquake
The earthquake hit South Sandwich Islands region on Tuesday, August 30, 1983 at 18:03 UTC with a magnitude of 5.3. The closest known location in the current dataset is Ushuaia, about 2598.5 km away. The epicenter is located at longitude -26.480 and latitude -56.304.
| Location | South Sandwich Islands region |
| Country | South Sandwich Islands region |
| Severity | Strong |
Earthquake map 1983-08-30
Closest countries
The 12 closest cities near the epicenter.
| Ushuaia | 2598.5 km |
| Río Grande | 2604.5 km |
| Río Gallegos | 2799.6 km |
| Punta Arenas | 2826.9 km |
| Caleta Olivia | 3001.6 km |
| Comodoro Rivadavia | 3039.1 km |
| Mar del Plata | 3066.1 km |
| Necochea | 3083.1 km |
| Trelew | 3090.7 km |
| Puerto Madryn | 3110.4 km |
| Balcarce | 3117.6 km |
| Viedma | 3140.0 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
16.7 km
M 5.0
South Sandwich Islands region
Unknown · 2026-09-04 06:45 UTC
25.8 km
M 6.2
South Sandwich Islands region
Unknown · 2026-09-02 23:46 UTC
88.9 km
M 5.2
South Sandwich Islands region
Unknown · 2026-09-02 10:54 UTC
28.1 km
M 5.1
South Sandwich Islands region
Unknown · 2026-08-30 03:55 UTC
36.5 km
M 5.0
South Sandwich Islands region
Unknown · 2026-07-29 10:30 UTC
72.5 km
M 4.6
South Sandwich Islands region
Unknown · 2026-07-12 15:15 UTC
58.2 km
M 4.5
South Sandwich Islands region
Unknown · 2026-07-03 01:53 UTC
72.8 km
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