| Magnitude | 5.6 |
| Alert | Strong |
| Depth | 156.8 km |
| Coordinates | -58.090, -26.248 |
| UTC time | 2003-10-20 16:50:18.420 |
Earthquake details
Monday, October 20, 2003 Earthquake
The earthquake hit South Sandwich Islands region on Monday, October 20, 2003 at 16:50 UTC with a magnitude of 5.6. The closest known location in the current dataset is Ushuaia, about 2570.5 km away. The epicenter is located at longitude -26.248 and latitude -58.090.
| Location | South Sandwich Islands region |
| Country | South Sandwich Islands region |
| Severity | Strong |
Earthquake map 2003-10-20
Closest countries
The 12 closest cities near the epicenter.
| Ushuaia | 2570.5 km |
| Río Grande | 2586.0 km |
| Río Gallegos | 2793.8 km |
| Punta Arenas | 2806.1 km |
| Caleta Olivia | 3034.5 km |
| Comodoro Rivadavia | 3075.4 km |
| Trelew | 3148.7 km |
| Puerto Madryn | 3171.8 km |
| Mar del Plata | 3176.8 km |
| Necochea | 3187.1 km |
| Viedma | 3218.3 km |
| Balcarce | 3226.2 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
72.3 km
M 5.1
South Sandwich Islands region
Unknown · 2026-09-28 03:43 UTC
73.9 km
M 5.1
South Sandwich Islands region
Unknown · 2026-09-08 06:50 UTC
3.5 km
M 4.9
South Sandwich Islands region
Unknown · 2026-08-29 07:10 UTC
75.3 km
M 4.9
South Sandwich Islands region
Unknown · 2026-08-23 17:23 UTC
92.9 km
M 5.4
South Sandwich Islands region
Unknown · 2026-08-21 13:06 UTC
86.5 km
M 4.4
South Sandwich Islands region
Unknown · 2026-08-04 02:29 UTC
76.4 km
M 4.9
South Sandwich Islands region
Unknown · 2026-07-24 00:37 UTC
95.9 km
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