| Magnitude | 5.0 |
| Alert | Strong |
| Depth | 49.0 km |
| Coordinates | -58.973, -25.496 |
| UTC time | 1986-10-21 10:10:15.600 |
Earthquake details
Tuesday, October 21, 1986 Earthquake
The earthquake hit South Sandwich Islands region on Tuesday, October 21, 1986 at 10:10 UTC with a magnitude of 5.0. The closest known location in the current dataset is Ushuaia, about 2597.7 km away. The epicenter is located at longitude -25.496 and latitude -58.973.
| Location | South Sandwich Islands region |
| Country | South Sandwich Islands region |
| Severity | Strong |
Earthquake map 1986-10-21
Closest countries
The 12 closest cities near the epicenter.
| Ushuaia | 2597.7 km |
| Río Grande | 2618.1 km |
| Río Gallegos | 2831.8 km |
| Punta Arenas | 2836.5 km |
| Caleta Olivia | 3090.7 km |
| Comodoro Rivadavia | 3133.2 km |
| Trelew | 3216.1 km |
| Puerto Madryn | 3240.6 km |
| Mar del Plata | 3265.1 km |
| Necochea | 3272.9 km |
| Viedma | 3294.0 km |
| Balcarce | 3313.7 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
24.7 km
M 5.1
South Sandwich Islands region
Unknown · 2026-09-12 00:55 UTC
37.2 km
M 4.9
South Sandwich Islands region
Unknown · 2026-08-23 17:23 UTC
28.3 km
M 5.4
South Sandwich Islands region
Unknown · 2026-08-21 13:06 UTC
62.4 km
M 4.9
South Sandwich Islands region
Unknown · 2026-07-24 00:37 UTC
22.9 km
M 4.9
South Sandwich Islands region
Unknown · 2026-07-21 08:53 UTC
42.0 km
M 4.8
South Sandwich Islands region
Unknown · 2026-07-18 16:57 UTC
67.0 km
M 4.6
South Sandwich Islands region
Unknown · 2026-07-17 18:24 UTC
91.6 km
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