| Magnitude | 5.4 |
| Alert | Strong |
| Depth | 29.9 km |
| Coordinates | -55.489, -28.018 |
| UTC time | 1987-11-20 21:19:47.740 |
Earthquake details
Friday, November 20, 1987 Earthquake
The earthquake hit South Sandwich Islands region on Friday, November 20, 1987 at 21:19 UTC with a magnitude of 5.4. The closest known location in the current dataset is Ushuaia, about 2528.4 km away. The epicenter is located at longitude -28.018 and latitude -55.489.
| 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 | 2528.4 km |
| Río Grande | 2529.1 km |
| Río Gallegos | 2716.9 km |
| Punta Arenas | 2752.3 km |
| Caleta Olivia | 2900.0 km |
| Comodoro Rivadavia | 2935.8 km |
| Mar del Plata | 2938.3 km |
| Necochea | 2956.7 km |
| Trelew | 2978.6 km |
| Balcarce | 2990.3 km |
| Puerto Madryn | 2997.0 km |
| Viedma | 3020.8 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
38.3 km
M 4.8
South Sandwich Islands region
Unknown · 2026-09-29 04:16 UTC
22.8 km
M 5.0
South Sandwich Islands region
Unknown · 2026-09-19 09:59 UTC
16.3 km
M 6.2
South Sandwich Islands region
Unknown · 2026-09-02 23:46 UTC
80.0 km
M 4.4
South Sandwich Islands region
Unknown · 2026-08-31 21:46 UTC
66.3 km
M 5.0
South Sandwich Islands region
Unknown · 2026-07-29 10:30 UTC
59.5 km
M 4.6
South Sandwich Islands region
Unknown · 2026-07-12 15:15 UTC
80.4 km
M 6.4
South Sandwich Islands region
Unknown · 2026-07-11 10:26 UTC
56.4 km
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