| Magnitude | 5.1 |
| Alert | Strong |
| Depth | 100.0 km |
| Coordinates | -56.176, -26.977 |
| UTC time | 1989-09-23 05:45:31.150 |
Earthquake details
Saturday, September 23, 1989 Earthquake
The earthquake hit South Sandwich Islands region on Saturday, September 23, 1989 at 05:45 UTC with a magnitude of 5.1. The closest known location in the current dataset is Ushuaia, about 2572.1 km away. The epicenter is located at longitude -26.977 and latitude -56.176.
| Location | South Sandwich Islands region |
| Country | South Sandwich Islands region |
| Severity | Strong |
Earthquake map 1989-09-23
Closest countries
The 12 closest cities near the epicenter.
| Ushuaia | 2572.1 km |
| Río Grande | 2577.2 km |
| Río Gallegos | 2770.9 km |
| Punta Arenas | 2799.7 km |
| Caleta Olivia | 2970.0 km |
| Comodoro Rivadavia | 3007.2 km |
| Mar del Plata | 3032.3 km |
| Necochea | 3049.2 km |
| Trelew | 3057.7 km |
| Puerto Madryn | 3077.3 km |
| Balcarce | 3083.8 km |
| Viedma | 3106.4 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 5.0
South Sandwich Islands region
Unknown · 2026-09-19 09:59 UTC
93.5 km
M 4.9
South Sandwich Islands region
Unknown · 2026-09-12 11:05 UTC
19.8 km
M 5.0
South Sandwich Islands region
Unknown · 2026-09-04 06:45 UTC
50.4 km
M 6.2
South Sandwich Islands region
Unknown · 2026-09-02 23:46 UTC
57.7 km
M 5.2
South Sandwich Islands region
Unknown · 2026-09-02 10:54 UTC
25.0 km
M 4.4
South Sandwich Islands region
Unknown · 2026-08-31 21:46 UTC
68.9 km
M 5.1
South Sandwich Islands region
Unknown · 2026-08-30 03:55 UTC
31.3 km
M 5.0
South Sandwich Islands region
Unknown · 2026-07-29 10:30 UTC
41.0 km
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