| Magnitude | 5.7 |
| Alert | Strong |
| Depth | 33.0 km |
| Coordinates | -56.622, -25.533 |
| UTC time | 1978-03-07 20:11:40.200 |
Earthquake details
Tuesday, March 7, 1978 Earthquake
The earthquake hit South Sandwich Islands region on Tuesday, March 7, 1978 at 20:11 UTC with a magnitude of 5.7. The closest known location in the current dataset is Ushuaia, about 2646.5 km away. The epicenter is located at longitude -25.533 and latitude -56.622.
| Location | South Sandwich Islands region |
| Country | South Sandwich Islands region |
| Severity | Strong |
Earthquake map 1978-03-07
Closest countries
The 12 closest cities near the epicenter.
| Ushuaia | 2646.5 km |
| Río Grande | 2654.7 km |
| Río Gallegos | 2852.7 km |
| Punta Arenas | 2876.7 km |
| Caleta Olivia | 3062.0 km |
| Comodoro Rivadavia | 3100.0 km |
| Mar del Plata | 3134.1 km |
| Necochea | 3150.9 km |
| Trelew | 3154.7 km |
| Puerto Madryn | 3174.8 km |
| Balcarce | 3185.6 km |
| Viedma | 3206.2 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 5.0
South Sandwich Islands region
Unknown · 2026-09-21 21:37 UTC
97.5 km
M 4.9
South Sandwich Islands region
Unknown · 2026-09-12 11:05 UTC
82.9 km
M 5.0
South Sandwich Islands region
Unknown · 2026-09-04 06:45 UTC
64.9 km
M 5.2
South Sandwich Islands region
Unknown · 2026-09-02 10:54 UTC
87.8 km
M 5.1
South Sandwich Islands region
Unknown · 2026-08-30 03:55 UTC
92.0 km
M 4.9
South Sandwich Islands region
Unknown · 2026-08-29 07:10 UTC
94.3 km
M 4.8
South Sandwich Islands region
Unknown · 2026-07-14 15:25 UTC
70.7 km
M 4.6
South Sandwich Islands region
Unknown · 2026-06-19 03:50 UTC
34.2 km
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