| Magnitude | 5.4 |
| Alert | Strong |
| Depth | 33.0 km |
| Coordinates | -55.469, -27.986 |
| UTC time | 1987-11-20 21:38:55.500 |
Earthquake details
Friday, November 20, 1987 Earthquake
The earthquake hit South Sandwich Islands region on Friday, November 20, 1987 at 21:38 UTC with a magnitude of 5.4. The closest known location in the current dataset is Ushuaia, about 2530.9 km away. The epicenter is located at longitude -27.986 and latitude -55.469.
| Location | South Sandwich Islands region |
| Country | South Sandwich Islands region |
| Severity | Strong |
Earthquake map 1987-11-20
Closest countries
The 12 closest cities near the epicenter.
| Ushuaia | 2530.9 km |
| Río Grande | 2531.6 km |
| Río Gallegos | 2719.2 km |
| Punta Arenas | 2754.7 km |
| Caleta Olivia | 2901.8 km |
| Comodoro Rivadavia | 2937.7 km |
| Mar del Plata | 2939.0 km |
| Necochea | 2957.5 km |
| Trelew | 2980.1 km |
| Balcarce | 2991.0 km |
| Puerto Madryn | 2998.5 km |
| Viedma | 3022.1 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 4.8
South Sandwich Islands region
Unknown · 2026-09-29 06:38 UTC
38.4 km
M 4.8
South Sandwich Islands region
Unknown · 2026-09-29 04:16 UTC
22.1 km
M 5.0
South Sandwich Islands region
Unknown · 2026-09-19 09:59 UTC
19.1 km
M 6.2
South Sandwich Islands region
Unknown · 2026-09-02 23:46 UTC
82.1 km
M 4.4
South Sandwich Islands region
Unknown · 2026-08-31 21:46 UTC
68.7 km
M 5.0
South Sandwich Islands region
Unknown · 2026-07-29 10:30 UTC
59.8 km
M 4.6
South Sandwich Islands region
Unknown · 2026-07-12 15:15 UTC
79.8 km
M 6.4
South Sandwich Islands region
Unknown · 2026-07-11 10:26 UTC
58.7 km
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