| Magnitude | 5.1 |
| Alert | Strong |
| Depth | 33.0 km |
| Coordinates | -56.482, -27.404 |
| UTC time | 1978-11-23 11:40:56.300 |
Earthquake details
Thursday, November 23, 1978 Earthquake
The earthquake hit South Sandwich Islands region on Thursday, November 23, 1978 at 11:40 UTC with a magnitude of 5.1. The closest known location in the current dataset is Ushuaia, about 2538.5 km away. The epicenter is located at longitude -27.404 and latitude -56.482.
| Location | South Sandwich Islands region |
| Country | South Sandwich Islands region |
| Severity | Strong |
Earthquake map 1978-11-23
Closest countries
The 12 closest cities near the epicenter.
| Ushuaia | 2538.5 km |
| Río Grande | 2544.9 km |
| Río Gallegos | 2740.7 km |
| Punta Arenas | 2767.2 km |
| Caleta Olivia | 2946.4 km |
| Comodoro Rivadavia | 2984.3 km |
| Mar del Plata | 3026.0 km |
| Trelew | 3039.1 km |
| Necochea | 3041.2 km |
| Puerto Madryn | 3059.4 km |
| Balcarce | 3077.0 km |
| Viedma | 3092.2 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
44.9 km
M 5.0
South Sandwich Islands region
Unknown · 2026-09-04 06:45 UTC
84.8 km
M 6.2
South Sandwich Islands region
Unknown · 2026-09-02 23:46 UTC
43.7 km
M 5.2
South Sandwich Islands region
Unknown · 2026-09-02 10:54 UTC
32.2 km
M 4.4
South Sandwich Islands region
Unknown · 2026-08-31 21:46 UTC
60.6 km
M 5.1
South Sandwich Islands region
Unknown · 2026-08-30 03:55 UTC
24.8 km
M 5.0
South Sandwich Islands region
Unknown · 2026-07-29 10:30 UTC
67.3 km
M 4.6
South Sandwich Islands region
Unknown · 2026-07-12 15:15 UTC
78.9 km
Stay informed
Earthquake alerts
Create targeted notifications for important seismic activity near the places you follow.