| Magnitude | 5.5 |
| Alert | Strong |
| Depth | 10.0 km |
| Coordinates | -55.102, -28.419 |
| UTC time | 2004-09-22 20:50:00.170 |
Earthquake details
Wednesday, September 22, 2004 Earthquake
The earthquake hit South Sandwich Islands region on Wednesday, September 22, 2004 at 20:50 UTC with a magnitude of 5.5. The closest known location in the current dataset is Río Grande, about 2513.8 km away. The epicenter is located at longitude -28.419 and latitude -55.102.
| Location | South Sandwich Islands region |
| Country | South Sandwich Islands region |
| Severity | Strong |
Earthquake map 2004-09-22
Closest countries
The 12 closest cities near the epicenter.
| Río Grande | 2513.8 km |
| Ushuaia | 2515.4 km |
| Río Gallegos | 2698.2 km |
| Punta Arenas | 2737.1 km |
| Caleta Olivia | 2872.1 km |
| Mar del Plata | 2895.1 km |
| Comodoro Rivadavia | 2907.1 km |
| Necochea | 2914.7 km |
| Trelew | 2945.2 km |
| Balcarce | 2947.5 km |
| Puerto Madryn | 2963.0 km |
| Viedma | 2983.4 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
17.3 km
M 4.8
South Sandwich Islands region
Unknown · 2026-09-29 04:16 UTC
27.2 km
M 5.0
South Sandwich Islands region
Unknown · 2026-09-19 09:59 UTC
61.4 km
M 6.4
South Sandwich Islands region
Unknown · 2026-07-11 10:26 UTC
57.3 km
M 4.6
South Sandwich Islands region
Unknown · 2026-06-30 01:33 UTC
98.1 km
M 5.1
South Sandwich Islands region
Unknown · 2026-06-30 00:15 UTC
88.4 km
M 4.4
South Sandwich Islands region
Unknown · 2026-05-22 10:27 UTC
93.4 km
M 4.9
South Sandwich Islands region
Unknown · 2026-04-02 20:22 UTC
80.6 km
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