| Magnitude | 5.0 |
| Alert | Strong |
| Depth | 33.0 km |
| Coordinates | -56.239, -30.310 |
| UTC time | 1987-10-18 17:02:54.090 |
Earthquake details
Sunday, October 18, 1987 Earthquake
The earthquake hit South Sandwich Islands region on Sunday, October 18, 1987 at 17:02 UTC with a magnitude of 5.0. The closest known location in the current dataset is Ushuaia, about 2369.6 km away. The epicenter is located at longitude -30.310 and latitude -56.239.
| Location | South Sandwich Islands region |
| Country | South Sandwich Islands region |
| Severity | Strong |
Earthquake map 1987-10-18
Closest countries
The 12 closest cities near the epicenter.
| Ushuaia | 2369.6 km |
| Río Grande | 2372.9 km |
| Río Gallegos | 2565.1 km |
| Punta Arenas | 2595.7 km |
| Caleta Olivia | 2765.3 km |
| Comodoro Rivadavia | 2803.1 km |
| Trelew | 2858.7 km |
| Mar del Plata | 2859.5 km |
| Necochea | 2871.8 km |
| Puerto Madryn | 2879.4 km |
| Balcarce | 2909.5 km |
| Viedma | 2915.0 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 4.6
South Sandwich Islands region
Unknown · 2026-06-20 22:23 UTC
42.7 km
M 4.9
South Sandwich Islands region
Unknown · 2026-04-06 13:09 UTC
71.2 km
M 4.9
South Sandwich Islands region
Unknown · 2026-04-02 20:22 UTC
92.8 km
M 4.5
South Sandwich Islands region
Unknown · 2026-03-06 20:16 UTC
89.5 km
M 4.5
South Sandwich Islands region
Unknown · 2026-01-18 12:48 UTC
65.2 km
M 4.7
South Sandwich Islands region
Unknown · 2026-01-16 04:59 UTC
87.5 km
M 4.5
South Sandwich Islands region
Unknown · 2025-06-10 06:17 UTC
87.3 km
M 5.1
South Sandwich Islands region
Unknown · 2025-01-15 12:06 UTC
81.3 km
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