| Magnitude | 5.5 |
| Alert | Strong |
| Depth | 33.0 km |
| Coordinates | -56.446, -25.589 |
| UTC time | 1978-03-07 18:35:00.700 |
Earthquake details
Tuesday, March 7, 1978 Earthquake
The earthquake hit South Sandwich Islands region on Tuesday, March 7, 1978 at 18:35 UTC with a magnitude of 5.5. The closest known location in the current dataset is Ushuaia, about 2647.9 km away. The epicenter is located at longitude -25.589 and latitude -56.446.
| 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 | 2647.9 km |
| Río Grande | 2655.2 km |
| Río Gallegos | 2851.9 km |
| Punta Arenas | 2877.4 km |
| Caleta Olivia | 3057.4 km |
| Comodoro Rivadavia | 3095.1 km |
| Mar del Plata | 3122.0 km |
| Necochea | 3139.4 km |
| Trelew | 3147.6 km |
| Puerto Madryn | 3167.4 km |
| Balcarce | 3173.7 km |
| Viedma | 3197.1 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
99.6 km
M 4.9
South Sandwich Islands region
Unknown · 2026-09-12 11:05 UTC
73.3 km
M 5.0
South Sandwich Islands region
Unknown · 2026-09-04 06:45 UTC
48.1 km
M 5.2
South Sandwich Islands region
Unknown · 2026-09-02 10:54 UTC
81.1 km
M 5.1
South Sandwich Islands region
Unknown · 2026-08-30 03:55 UTC
86.9 km
M 4.8
South Sandwich Islands region
Unknown · 2026-07-14 15:25 UTC
88.7 km
M 4.6
South Sandwich Islands region
Unknown · 2026-06-19 03:50 UTC
14.4 km
M 4.4
South Sandwich Islands region
Unknown · 2026-06-17 20:06 UTC
64.1 km
Stay informed
Earthquake alerts
Create targeted notifications for important seismic activity near the places you follow.