| Magnitude | 5.5 |
| Alert | Strong |
| Depth | 101.3 km |
| Coordinates | -59.735, -26.829 |
| UTC time | 1984-04-18 02:56:40.680 |
Earthquake details
Wednesday, April 18, 1984 Earthquake
The earthquake hit South Sandwich Islands region on Wednesday, April 18, 1984 at 02:56 UTC with a magnitude of 5.5. The closest known location in the current dataset is Ushuaia, about 2512.0 km away. The epicenter is located at longitude -26.829 and latitude -59.735.
| Location | South Sandwich Islands region |
| Country | South Sandwich Islands region |
| Severity | Strong |
Earthquake map 1984-04-18
Closest countries
The 12 closest cities near the epicenter.
| Ushuaia | 2512.0 km |
| Río Grande | 2536.0 km |
| Punta Arenas | 2752.9 km |
| Río Gallegos | 2754.3 km |
| Caleta Olivia | 3030.0 km |
| Comodoro Rivadavia | 3074.1 km |
| Trelew | 3167.8 km |
| Puerto Madryn | 3194.0 km |
| Mar del Plata | 3247.5 km |
| Necochea | 3251.0 km |
| Viedma | 3256.6 km |
| Balcarce | 3294.6 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 5.0
South Sandwich Islands region
Unknown · 2026-09-27 21:13 UTC
92.0 km
M 5.4
South Sandwich Islands region
Unknown · 2026-08-21 13:06 UTC
99.5 km
M 4.9
South Sandwich Islands region
Unknown · 2026-07-21 08:53 UTC
84.0 km
M 4.8
South Sandwich Islands region
Unknown · 2026-07-18 16:57 UTC
46.6 km
M 4.6
South Sandwich Islands region
Unknown · 2026-07-17 18:24 UTC
29.2 km
M 4.8
South Sandwich Islands region
Unknown · 2026-07-15 15:36 UTC
41.1 km
M 5.4
South Sandwich Islands region
Unknown · 2026-07-11 06:52 UTC
25.9 km
M 5.0
South Sandwich Islands region
Unknown · 2026-07-02 02:17 UTC
41.0 km
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