| Magnitude | 5.5 |
| Alert | Strong |
| Depth | 116.8 km |
| Coordinates | -55.879, -27.909 |
| UTC time | 2003-09-20 17:38:34.100 |
Earthquake details
Saturday, September 20, 2003 Earthquake
The earthquake hit South Sandwich Islands region on Saturday, September 20, 2003 at 17:38 UTC with a magnitude of 5.5. The closest known location in the current dataset is Ushuaia, about 2524.0 km away. The epicenter is located at longitude -27.909 and latitude -55.879.
| Location | South Sandwich Islands region |
| Country | South Sandwich Islands region |
| Severity | Strong |
Earthquake map 2003-09-20
Closest countries
The 12 closest cities near the epicenter.
| Ushuaia | 2524.0 km |
| Río Grande | 2526.9 km |
| Río Gallegos | 2717.8 km |
| Punta Arenas | 2749.8 km |
| Caleta Olivia | 2909.8 km |
| Comodoro Rivadavia | 2946.5 km |
| Mar del Plata | 2965.5 km |
| Necochea | 2982.5 km |
| Trelew | 2994.1 km |
| Puerto Madryn | 3013.4 km |
| Balcarce | 3017.1 km |
| Viedma | 3040.9 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 4.8
South Sandwich Islands region
Unknown · 2026-09-29 06:38 UTC
77.6 km
M 4.8
South Sandwich Islands region
Unknown · 2026-09-29 04:16 UTC
65.4 km
M 5.0
South Sandwich Islands region
Unknown · 2026-09-19 09:59 UTC
30.9 km
M 4.9
South Sandwich Islands region
Unknown · 2026-09-12 11:05 UTC
85.9 km
M 6.2
South Sandwich Islands region
Unknown · 2026-09-02 23:46 UTC
36.4 km
M 5.2
South Sandwich Islands region
Unknown · 2026-09-02 10:54 UTC
84.8 km
M 4.4
South Sandwich Islands region
Unknown · 2026-08-31 21:46 UTC
25.1 km
M 5.1
South Sandwich Islands region
Unknown · 2026-08-30 03:55 UTC
85.3 km
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