| Magnitude | 5.4 |
| Alert | Strong |
| Depth | 95.0 km |
| Coordinates | -59.943, -27.518 |
| UTC time | 1973-04-22 01:47:42.100 |
Earthquake details
Sunday, April 22, 1973 Earthquake
The earthquake hit South Sandwich Islands region on Sunday, April 22, 1973 at 01:47 UTC with a magnitude of 5.4. The closest known location in the current dataset is Ushuaia, about 2471.5 km away. The epicenter is located at longitude -27.518 and latitude -59.943.
| Location | South Sandwich Islands region |
| Country | South Sandwich Islands region |
| Severity | Strong |
Earthquake map 1973-04-22
Closest countries
The 12 closest cities near the epicenter.
| Ushuaia | 2471.5 km |
| Río Grande | 2496.5 km |
| Punta Arenas | 2713.0 km |
| Río Gallegos | 2716.1 km |
| Caleta Olivia | 2996.8 km |
| Comodoro Rivadavia | 3041.4 km |
| Trelew | 3138.6 km |
| Puerto Madryn | 3165.5 km |
| Mar del Plata | 3229.2 km |
| Necochea | 3231.1 km |
| Viedma | 3231.2 km |
| Balcarce | 3275.7 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 6.0
South Sandwich Islands region
Unknown · 2026-08-12 11:47 UTC
88.2 km
M 4.8
South Sandwich Islands region
Unknown · 2026-07-18 16:57 UTC
90.9 km
M 4.6
South Sandwich Islands region
Unknown · 2026-07-17 18:24 UTC
73.1 km
M 4.8
South Sandwich Islands region
Unknown · 2026-07-15 15:36 UTC
85.8 km
M 5.4
South Sandwich Islands region
Unknown · 2026-07-11 06:52 UTC
70.3 km
M 5.0
South Sandwich Islands region
Unknown · 2026-07-02 02:17 UTC
85.7 km
M 5.1
South Sandwich Islands region
Unknown · 2026-06-19 21:08 UTC
87.4 km
M 4.3
South Sandwich Islands region
Unknown · 2026-05-24 10:04 UTC
73.1 km
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