| Magnitude | 5.4 |
| Alert | Strong |
| Depth | 33.0 km |
| Coordinates | -55.474, -26.063 |
| UTC time | 1978-08-10 10:55:13.100 |
Earthquake details
Thursday, August 10, 1978 Earthquake
The earthquake hit South Sandwich Islands region on Thursday, August 10, 1978 at 10:55 UTC with a magnitude of 5.4. The closest known location in the current dataset is Ushuaia, about 2647.6 km away. The epicenter is located at longitude -26.063 and latitude -55.474.
| Location | South Sandwich Islands region |
| Country | South Sandwich Islands region |
| Severity | Strong |
Earthquake map 1978-08-10
Closest countries
The 12 closest cities near the epicenter.
| Ushuaia | 2647.6 km |
| Río Grande | 2649.7 km |
| Río Gallegos | 2839.0 km |
| Punta Arenas | 2872.7 km |
| Caleta Olivia | 3023.1 km |
| Mar del Plata | 3046.6 km |
| Comodoro Rivadavia | 3058.8 km |
| Necochea | 3067.4 km |
| Balcarce | 3099.4 km |
| Trelew | 3099.6 km |
| Puerto Madryn | 3117.5 km |
| Viedma | 3138.4 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 5.0
South Sandwich Islands region
Unknown · 2026-09-04 06:45 UTC
75.8 km
M 5.0
South Sandwich Islands region
Unknown · 2026-07-29 10:30 UTC
93.0 km
M 4.6
South Sandwich Islands region
Unknown · 2026-07-12 15:15 UTC
65.4 km
M 4.6
South Sandwich Islands region
Unknown · 2026-07-03 01:49 UTC
99.2 km
M 4.9
South Sandwich Islands region
Unknown · 2026-06-30 15:15 UTC
92.0 km
M 4.6
South Sandwich Islands region
Unknown · 2026-06-30 01:33 UTC
63.0 km
M 5.1
South Sandwich Islands region
Unknown · 2026-06-30 00:15 UTC
72.9 km
M 4.7
South Sandwich Islands region
Unknown · 2026-06-28 22:14 UTC
40.4 km
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