| Magnitude | 5.2 |
| Alert | Strong |
| Depth | 33.0 km |
| Coordinates | -55.157, -28.541 |
| UTC time | 1973-09-25 03:23:18.900 |
Earthquake details
Tuesday, September 25, 1973 Earthquake
The earthquake hit South Sandwich Islands region on Tuesday, September 25, 1973 at 03:23 UTC with a magnitude of 5.2. The closest known location in the current dataset is Río Grande, about 2504.9 km away. The epicenter is located at longitude -28.541 and latitude -55.157.
| Location | South Sandwich Islands region |
| Country | South Sandwich Islands region |
| Severity | Strong |
Earthquake map 1973-09-25
Closest countries
The 12 closest cities near the epicenter.
| Río Grande | 2504.9 km |
| Ushuaia | 2506.3 km |
| Río Gallegos | 2689.6 km |
| Punta Arenas | 2728.2 km |
| Caleta Olivia | 2864.7 km |
| Mar del Plata | 2891.3 km |
| Comodoro Rivadavia | 2899.9 km |
| Necochea | 2910.5 km |
| Trelew | 2938.8 km |
| Balcarce | 2943.6 km |
| Puerto Madryn | 2956.7 km |
| Viedma | 2977.9 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
12.0 km
M 4.8
South Sandwich Islands region
Unknown · 2026-09-29 04:16 UTC
27.4 km
M 5.0
South Sandwich Islands region
Unknown · 2026-09-19 09:59 UTC
58.7 km
M 6.4
South Sandwich Islands region
Unknown · 2026-07-11 10:26 UTC
48.1 km
M 5.1
South Sandwich Islands region
Unknown · 2026-06-30 00:15 UTC
92.3 km
M 4.4
South Sandwich Islands region
Unknown · 2026-05-22 10:27 UTC
95.5 km
M 4.9
South Sandwich Islands region
Unknown · 2026-04-02 20:22 UTC
70.8 km
M 4.9
South Sandwich Islands region
Unknown · 2026-03-31 03:12 UTC
97.3 km
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