| Magnitude | 5.4 |
| Alert | Strong |
| Depth | 112.4 km |
| Coordinates | -56.104, -27.700 |
| UTC time | 1990-08-06 20:30:44.960 |
Earthquake details
Monday, August 6, 1990 Earthquake
The earthquake hit South Sandwich Islands region on Monday, August 6, 1990 at 20:30 UTC with a magnitude of 5.4. The closest known location in the current dataset is Ushuaia, about 2530.5 km away. The epicenter is located at longitude -27.700 and latitude -56.104.
| Location | South Sandwich Islands region |
| Country | South Sandwich Islands region |
| Severity | Strong |
Earthquake map 1990-08-06
Closest countries
The 12 closest cities near the epicenter.
| Ushuaia | 2530.5 km |
| Río Grande | 2534.7 km |
| Río Gallegos | 2727.5 km |
| Punta Arenas | 2757.4 km |
| Caleta Olivia | 2924.7 km |
| Comodoro Rivadavia | 2961.8 km |
| Mar del Plata | 2989.2 km |
| Necochea | 3005.6 km |
| Trelew | 3012.2 km |
| Puerto Madryn | 3031.8 km |
| Balcarce | 3040.6 km |
| Viedma | 3061.3 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 4.8
South Sandwich Islands region
Unknown · 2026-09-29 04:16 UTC
93.3 km
M 5.0
South Sandwich Islands region
Unknown · 2026-09-19 09:59 UTC
59.1 km
M 4.9
South Sandwich Islands region
Unknown · 2026-09-12 11:05 UTC
62.7 km
M 5.0
South Sandwich Islands region
Unknown · 2026-09-04 06:45 UTC
95.4 km
M 6.2
South Sandwich Islands region
Unknown · 2026-09-02 23:46 UTC
17.2 km
M 5.2
South Sandwich Islands region
Unknown · 2026-09-02 10:54 UTC
59.0 km
M 4.4
South Sandwich Islands region
Unknown · 2026-08-31 21:46 UTC
23.5 km
M 5.1
South Sandwich Islands region
Unknown · 2026-08-30 03:55 UTC
58.3 km
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