| Magnitude | 5.4 |
| Alert | Strong |
| Depth | 33.0 km |
| Coordinates | -57.945, -25.449 |
| UTC time | 1987-01-21 01:17:03.620 |
Earthquake details
Wednesday, January 21, 1987 Earthquake
The earthquake hit South Sandwich Islands region on Wednesday, January 21, 1987 at 01:17 UTC with a magnitude of 5.4. The closest known location in the current dataset is Ushuaia, about 2619.8 km away. The epicenter is located at longitude -25.449 and latitude -57.945.
| Location | South Sandwich Islands region |
| Country | South Sandwich Islands region |
| Severity | Strong |
Earthquake map 1987-01-21
Closest countries
The 12 closest cities near the epicenter.
| Ushuaia | 2619.8 km |
| Río Grande | 2634.9 km |
| Río Gallegos | 2842.0 km |
| Punta Arenas | 2855.1 km |
| Caleta Olivia | 3079.4 km |
| Comodoro Rivadavia | 3120.0 km |
| Trelew | 3190.6 km |
| Mar del Plata | 3209.3 km |
| Puerto Madryn | 3213.2 km |
| Necochea | 3221.0 km |
| Viedma | 3257.1 km |
| Balcarce | 3259.2 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 4.9
South Sandwich Islands region
Unknown · 2026-09-28 04:41 UTC
33.3 km
M 5.1
South Sandwich Islands region
Unknown · 2026-09-28 03:43 UTC
32.2 km
M 5.1
South Sandwich Islands region
Unknown · 2026-09-08 06:50 UTC
51.5 km
M 4.9
South Sandwich Islands region
Unknown · 2026-08-29 07:10 UTC
57.7 km
M 4.9
South Sandwich Islands region
Unknown · 2026-08-23 17:23 UTC
90.0 km
M 4.9
South Sandwich Islands region
Unknown · 2026-07-24 00:37 UTC
94.9 km
M 4.8
South Sandwich Islands region
Unknown · 2026-07-14 15:25 UTC
99.9 km
M 4.9
South Sandwich Islands region
Unknown · 2026-07-13 17:45 UTC
71.5 km
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