| Magnitude | 5.5 |
| Alert | Strong |
| Depth | 33.0 km |
| Coordinates | -56.391, -26.478 |
| UTC time | 1978-02-03 04:21:12.100 |
Earthquake details
Friday, February 3, 1978 Earthquake
The earthquake hit South Sandwich Islands region on Friday, February 3, 1978 at 04:21 UTC with a magnitude of 5.5. The closest known location in the current dataset is Ushuaia, about 2596.2 km away. The epicenter is located at longitude -26.478 and latitude -56.391.
| Location | South Sandwich Islands region |
| Country | South Sandwich Islands region |
| Severity | Strong |
Earthquake map 1978-02-03
Closest countries
The 12 closest cities near the epicenter.
| Ushuaia | 2596.2 km |
| Río Grande | 2602.8 km |
| Río Gallegos | 2798.4 km |
| Punta Arenas | 2825.1 km |
| Caleta Olivia | 3002.4 km |
| Comodoro Rivadavia | 3040.0 km |
| Mar del Plata | 3070.8 km |
| Necochea | 3087.4 km |
| Trelew | 3092.7 km |
| Puerto Madryn | 3112.6 km |
| Balcarce | 3122.2 km |
| Viedma | 3143.1 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 4.9
South Sandwich Islands region
Unknown · 2026-09-12 11:05 UTC
19.5 km
M 5.0
South Sandwich Islands region
Unknown · 2026-09-04 06:45 UTC
32.8 km
M 6.2
South Sandwich Islands region
Unknown · 2026-09-02 23:46 UTC
90.6 km
M 5.2
South Sandwich Islands region
Unknown · 2026-09-02 10:54 UTC
26.2 km
M 5.1
South Sandwich Islands region
Unknown · 2026-08-30 03:55 UTC
33.1 km
M 5.0
South Sandwich Islands region
Unknown · 2026-07-29 10:30 UTC
79.2 km
M 4.6
South Sandwich Islands region
Unknown · 2026-07-12 15:15 UTC
67.1 km
M 4.5
South Sandwich Islands region
Unknown · 2026-07-03 01:53 UTC
77.5 km
Stay informed
Earthquake alerts
Create targeted notifications for important seismic activity near the places you follow.