| Magnitude | 5.0 |
| Alert | Strong |
| Depth | 109.0 km |
| Coordinates | -58.985, -26.281 |
| UTC time | 1978-04-22 05:51:01.900 |
Earthquake details
Saturday, April 22, 1978 Earthquake
The earthquake hit South Sandwich Islands region on Saturday, April 22, 1978 at 05:51 UTC with a magnitude of 5.0. The closest known location in the current dataset is Ushuaia, about 2552.9 km away. The epicenter is located at longitude -26.281 and latitude -58.985.
| Location | South Sandwich Islands region |
| Country | South Sandwich Islands region |
| Severity | Strong |
Earthquake map 1978-04-22
Closest countries
The 12 closest cities near the epicenter.
| Ushuaia | 2552.9 km |
| Río Grande | 2573.1 km |
| Río Gallegos | 2786.8 km |
| Punta Arenas | 2791.6 km |
| Caleta Olivia | 3046.4 km |
| Comodoro Rivadavia | 3089.0 km |
| Trelew | 3173.0 km |
| Puerto Madryn | 3197.8 km |
| Mar del Plata | 3227.5 km |
| Necochea | 3234.4 km |
| Viedma | 3252.6 km |
| Balcarce | 3275.8 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 5.0
South Sandwich Islands region
Unknown · 2026-09-27 21:13 UTC
23.6 km
M 5.1
South Sandwich Islands region
Unknown · 2026-09-12 00:55 UTC
79.2 km
M 5.1
South Sandwich Islands region
Unknown · 2026-09-08 06:50 UTC
96.0 km
M 4.9
South Sandwich Islands region
Unknown · 2026-08-23 17:23 UTC
64.1 km
M 5.4
South Sandwich Islands region
Unknown · 2026-08-21 13:06 UTC
21.8 km
M 4.9
South Sandwich Islands region
Unknown · 2026-07-24 00:37 UTC
60.3 km
M 4.9
South Sandwich Islands region
Unknown · 2026-07-21 08:53 UTC
7.8 km
M 4.8
South Sandwich Islands region
Unknown · 2026-07-18 16:57 UTC
50.5 km
Stay informed
Earthquake alerts
Create targeted notifications for important seismic activity near the places you follow.