| Magnitude | 6.0 |
| Alert | Severe |
| Depth | 35.0 km |
| Coordinates | -58.583, -25.270 |
| UTC time | 1963-10-03 15:48:18.260 |
Earthquake details
Thursday, October 3, 1963 Earthquake
The earthquake hit South Sandwich Islands region on Thursday, October 3, 1963 at 15:48 UTC with a magnitude of 6.0. The closest known location in the current dataset is Ushuaia, about 2617.4 km away. The epicenter is located at longitude -25.270 and latitude -58.583.
| Location | South Sandwich Islands region |
| Country | South Sandwich Islands region |
| Severity | Severe |
Earthquake map 1963-10-03
Closest countries
The 12 closest cities near the epicenter.
| Ushuaia | 2617.4 km |
| Río Grande | 2635.9 km |
| Río Gallegos | 2847.2 km |
| Punta Arenas | 2855.0 km |
| Caleta Olivia | 3098.0 km |
| Comodoro Rivadavia | 3139.7 km |
| Trelew | 3217.7 km |
| Puerto Madryn | 3241.4 km |
| Mar del Plata | 3253.9 km |
| Necochea | 3263.5 km |
| Viedma | 3290.9 km |
| Balcarce | 3303.1 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
63.9 km
M 5.1
South Sandwich Islands region
Unknown · 2026-09-12 00:55 UTC
64.4 km
M 5.1
South Sandwich Islands region
Unknown · 2026-09-08 06:50 UTC
77.2 km
M 4.9
South Sandwich Islands region
Unknown · 2026-08-23 17:23 UTC
18.4 km
M 5.4
South Sandwich Islands region
Unknown · 2026-08-21 13:06 UTC
80.1 km
M 4.8
South Sandwich Islands region
Unknown · 2026-07-28 21:32 UTC
95.3 km
M 4.9
South Sandwich Islands region
Unknown · 2026-07-24 00:37 UTC
23.6 km
M 4.9
South Sandwich Islands region
Unknown · 2026-07-21 08:53 UTC
75.0 km
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