| Magnitude | 5.6 |
| Alert | Strong |
| Depth | 33.0 km |
| Coordinates | -55.053, -27.846 |
| UTC time | 1989-08-18 03:46:26.020 |
Earthquake details
Friday, August 18, 1989 Earthquake
The earthquake hit South Sandwich Islands region on Friday, August 18, 1989 at 03:46 UTC with a magnitude of 5.6. The closest known location in the current dataset is Río Grande, about 2550.6 km away. The epicenter is located at longitude -27.846 and latitude -55.053.
| Location | South Sandwich Islands region |
| Country | South Sandwich Islands region |
| Severity | Strong |
Earthquake map 1989-08-18
Closest countries
The 12 closest cities near the epicenter.
| Río Grande | 2550.6 km |
| Ushuaia | 2552.0 km |
| Río Gallegos | 2735.1 km |
| Punta Arenas | 2773.9 km |
| Caleta Olivia | 2908.3 km |
| Mar del Plata | 2924.6 km |
| Comodoro Rivadavia | 2943.2 km |
| Necochea | 2945.1 km |
| Balcarce | 2977.2 km |
| Trelew | 2980.1 km |
| Puerto Madryn | 2997.6 km |
| Viedma | 3016.7 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
45.2 km
M 4.8
South Sandwich Islands region
Unknown · 2026-09-29 04:16 UTC
37.2 km
M 5.0
South Sandwich Islands region
Unknown · 2026-09-19 09:59 UTC
65.8 km
M 5.0
South Sandwich Islands region
Unknown · 2026-07-29 10:30 UTC
96.5 km
M 6.4
South Sandwich Islands region
Unknown · 2026-07-11 10:26 UTC
86.1 km
M 4.6
South Sandwich Islands region
Unknown · 2026-06-30 01:33 UTC
72.5 km
M 5.1
South Sandwich Islands region
Unknown · 2026-06-30 00:15 UTC
64.4 km
M 4.6
South Sandwich Islands region
Unknown · 2026-06-22 12:45 UTC
85.2 km
Stay informed
Earthquake alerts
Create targeted notifications for important seismic activity near the places you follow.