| Magnitude | 5.3 |
| Alert | Strong |
| Depth | 33.0 km |
| Coordinates | -56.326, -24.215 |
| UTC time | 1976-10-23 22:50:22.300 |
Earthquake details
Saturday, October 23, 1976 Earthquake
The earthquake hit South Sandwich Islands region on Saturday, October 23, 1976 at 22:50 UTC with a magnitude of 5.3. The closest known location in the current dataset is Ushuaia, about 2733.2 km away. The epicenter is located at longitude -24.215 and latitude -56.326.
| Location | South Sandwich Islands region |
| Country | South Sandwich Islands region |
| Severity | Strong |
Earthquake map 1976-10-23
Closest countries
The 12 closest cities near the epicenter.
| Ushuaia | 2733.2 km |
| Río Grande | 2740.8 km |
| Río Gallegos | 2937.6 km |
| Punta Arenas | 2963.0 km |
| Caleta Olivia | 3141.4 km |
| Comodoro Rivadavia | 3178.8 km |
| Mar del Plata | 3191.8 km |
| Necochea | 3211.1 km |
| Trelew | 3228.7 km |
| Balcarce | 3244.1 km |
| Puerto Madryn | 3248.0 km |
| Viedma | 3274.8 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
21.4 km
M 4.8
South Sandwich Islands region
Unknown · 2026-07-14 15:25 UTC
95.0 km
M 4.6
South Sandwich Islands region
Unknown · 2026-06-19 03:50 UTC
87.6 km
M 4.5
South Sandwich Islands region
Unknown · 2026-05-27 03:22 UTC
61.5 km
M 5.0
South Sandwich Islands region
Unknown · 2026-04-23 05:30 UTC
87.9 km
M 4.4
South Sandwich Islands region
Unknown · 2026-02-20 12:42 UTC
43.0 km
M 4.2
South Sandwich Islands region
Unknown · 2026-01-16 15:40 UTC
67.2 km
M 4.7
South Sandwich Islands region
Unknown · 2026-01-12 23:41 UTC
70.4 km
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