| Magnitude | 5.4 |
| Alert | Strong |
| Depth | 33.0 km |
| Coordinates | -60.354, -26.712 |
| UTC time | 2003-10-23 07:47:23.440 |
Earthquake details
Thursday, October 23, 2003 Earthquake
The earthquake hit South Sandwich Islands region on Thursday, October 23, 2003 at 07:47 UTC with a magnitude of 5.4. The closest known location in the current dataset is Ushuaia, about 2512.3 km away. The epicenter is located at longitude -26.712 and latitude -60.354.
| Location | South Sandwich Islands region |
| Country | South Sandwich Islands region |
| Severity | Strong |
Earthquake map 2003-10-23
Closest countries
The 12 closest cities near the epicenter.
| Ushuaia | 2512.3 km |
| Río Grande | 2539.6 km |
| Punta Arenas | 2755.0 km |
| Río Gallegos | 2761.8 km |
| Caleta Olivia | 3049.9 km |
| Comodoro Rivadavia | 3095.1 km |
| Trelew | 3195.7 km |
| Puerto Madryn | 3223.1 km |
| Viedma | 3291.0 km |
| Mar del Plata | 3292.1 km |
| Necochea | 3293.5 km |
| Balcarce | 3338.4 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 4.6
South Sandwich Islands region
Unknown · 2026-07-17 18:24 UTC
77.9 km
M 4.8
South Sandwich Islands region
Unknown · 2026-07-15 15:36 UTC
98.8 km
M 4.2
South Sandwich Islands region
Unknown · 2026-07-13 11:05 UTC
92.6 km
M 5.4
South Sandwich Islands region
Unknown · 2026-07-11 06:52 UTC
87.9 km
M 5.0
South Sandwich Islands region
Unknown · 2026-07-02 02:17 UTC
98.3 km
M 4.3
South Sandwich Islands region
Unknown · 2026-05-24 10:04 UTC
61.1 km
M 5.0
South Sandwich Islands region
Unknown · 2026-03-22 11:39 UTC
83.3 km
M 4.3
South Sandwich Islands region
Unknown · 2026-02-20 11:43 UTC
82.4 km
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