| Magnitude | 5.6 |
| Alert | Strong |
| Depth | 50.0 km |
| Coordinates | -56.119, -26.738 |
| UTC time | 1964-09-15 08:57:59.100 |
Earthquake details
Tuesday, September 15, 1964 Earthquake
The earthquake hit South Sandwich Islands region on Tuesday, September 15, 1964 at 08:57 UTC with a magnitude of 5.6. The closest known location in the current dataset is Ushuaia, about 2588.0 km away. The epicenter is located at longitude -26.738 and latitude -56.119.
| Location | South Sandwich Islands region |
| Country | South Sandwich Islands region |
| Severity | Strong |
Earthquake map 1964-09-15
Closest countries
The 12 closest cities near the epicenter.
| Ushuaia | 2588.0 km |
| Río Grande | 2593.0 km |
| Río Gallegos | 2786.5 km |
| Punta Arenas | 2815.6 km |
| Caleta Olivia | 2984.3 km |
| Comodoro Rivadavia | 3021.4 km |
| Mar del Plata | 3042.2 km |
| Necochea | 3059.7 km |
| Trelew | 3070.9 km |
| Puerto Madryn | 3090.4 km |
| Balcarce | 3093.9 km |
| Viedma | 3118.5 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
20.4 km
M 5.0
South Sandwich Islands region
Unknown · 2026-09-04 06:45 UTC
35.8 km
M 6.2
South Sandwich Islands region
Unknown · 2026-09-02 23:46 UTC
73.1 km
M 5.2
South Sandwich Islands region
Unknown · 2026-09-02 10:54 UTC
32.5 km
M 4.4
South Sandwich Islands region
Unknown · 2026-08-31 21:46 UTC
83.1 km
M 5.1
South Sandwich Islands region
Unknown · 2026-08-30 03:55 UTC
41.0 km
M 5.0
South Sandwich Islands region
Unknown · 2026-07-29 10:30 UTC
47.3 km
M 4.6
South Sandwich Islands region
Unknown · 2026-07-12 15:15 UTC
33.2 km
Stay informed
Earthquake alerts
Create targeted notifications for important seismic activity near the places you follow.