| Magnitude | 5.5 |
| Alert | Strong |
| Depth | 94.9 km |
| Coordinates | -56.058, -27.209 |
| UTC time | 1987-10-17 06:37:29.860 |
Earthquake details
Saturday, October 17, 1987 Earthquake
The earthquake hit South Sandwich Islands region on Saturday, October 17, 1987 at 06:37 UTC with a magnitude of 5.5. The closest known location in the current dataset is Ushuaia, about 2561.4 km away. The epicenter is located at longitude -27.209 and latitude -56.058.
| Location | South Sandwich Islands region |
| Country | South Sandwich Islands region |
| Severity | Strong |
Earthquake map 1987-10-17
Closest countries
The 12 closest cities near the epicenter.
| Ushuaia | 2561.4 km |
| Río Grande | 2565.6 km |
| Río Gallegos | 2758.4 km |
| Punta Arenas | 2788.3 km |
| Caleta Olivia | 2954.7 km |
| Comodoro Rivadavia | 2991.7 km |
| Mar del Plata | 3013.3 km |
| Necochea | 3030.4 km |
| Trelew | 3040.9 km |
| Puerto Madryn | 3060.3 km |
| Balcarce | 3064.9 km |
| Viedma | 3088.6 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 5.0
South Sandwich Islands region
Unknown · 2026-09-19 09:59 UTC
74.1 km
M 4.9
South Sandwich Islands region
Unknown · 2026-09-12 11:05 UTC
39.2 km
M 5.0
South Sandwich Islands region
Unknown · 2026-09-04 06:45 UTC
65.7 km
M 6.2
South Sandwich Islands region
Unknown · 2026-09-02 23:46 UTC
46.4 km
M 5.2
South Sandwich Islands region
Unknown · 2026-09-02 10:54 UTC
42.1 km
M 4.4
South Sandwich Islands region
Unknown · 2026-08-31 21:46 UTC
53.9 km
M 5.1
South Sandwich Islands region
Unknown · 2026-08-30 03:55 UTC
46.2 km
M 5.0
South Sandwich Islands region
Unknown · 2026-07-29 10:30 UTC
22.3 km
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