| Magnitude | 5.8 |
| Alert | Strong |
| Depth | 120.0 km |
| Coordinates | -56.041, -27.629 |
| UTC time | 1983-12-15 03:52:50.520 |
Earthquake details
Thursday, December 15, 1983 Earthquake
The earthquake hit South Sandwich Islands region on Thursday, December 15, 1983 at 03:52 UTC with a magnitude of 5.8. The closest known location in the current dataset is Ushuaia, about 2536.5 km away. The epicenter is located at longitude -27.629 and latitude -56.041.
| Location | South Sandwich Islands region |
| Country | South Sandwich Islands region |
| Severity | Strong |
Earthquake map 1983-12-15
Closest countries
The 12 closest cities near the epicenter.
| Ushuaia | 2536.5 km |
| Río Grande | 2540.4 km |
| Río Gallegos | 2732.7 km |
| Punta Arenas | 2763.2 km |
| Caleta Olivia | 2928.5 km |
| Comodoro Rivadavia | 2965.5 km |
| Mar del Plata | 2989.6 km |
| Necochea | 3006.3 km |
| Trelew | 3015.0 km |
| Puerto Madryn | 3034.5 km |
| Balcarce | 3041.0 km |
| Viedma | 3063.2 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 4.8
South Sandwich Islands region
Unknown · 2026-09-29 04:16 UTC
88.5 km
M 5.0
South Sandwich Islands region
Unknown · 2026-09-19 09:59 UTC
55.2 km
M 4.9
South Sandwich Islands region
Unknown · 2026-09-12 11:05 UTC
61.6 km
M 5.0
South Sandwich Islands region
Unknown · 2026-09-04 06:45 UTC
91.8 km
M 6.2
South Sandwich Islands region
Unknown · 2026-09-02 23:46 UTC
25.2 km
M 5.2
South Sandwich Islands region
Unknown · 2026-09-02 10:54 UTC
59.8 km
M 4.4
South Sandwich Islands region
Unknown · 2026-08-31 21:46 UTC
28.2 km
M 5.1
South Sandwich Islands region
Unknown · 2026-08-30 03:55 UTC
60.3 km
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