| Magnitude | 5.8 |
| Alert | Strong |
| Depth | 86.0 km |
| Coordinates | -55.989, -27.442 |
| UTC time | 1981-04-16 10:58:30.350 |
Earthquake details
Thursday, April 16, 1981 Earthquake
The earthquake hit South Sandwich Islands region on Thursday, April 16, 1981 at 10:58 UTC with a magnitude of 5.8. The closest known location in the current dataset is Ushuaia, about 2549.2 km away. The epicenter is located at longitude -27.442 and latitude -55.989.
| Location | South Sandwich Islands region |
| Country | South Sandwich Islands region |
| Severity | Strong |
Earthquake map 1981-04-16
Closest countries
The 12 closest cities near the epicenter.
| Ushuaia | 2549.2 km |
| Río Grande | 2553.0 km |
| Río Gallegos | 2745.0 km |
| Punta Arenas | 2775.7 km |
| Caleta Olivia | 2939.7 km |
| Comodoro Rivadavia | 2976.6 km |
| Mar del Plata | 2996.9 km |
| Necochea | 3014.0 km |
| Trelew | 3025.2 km |
| Puerto Madryn | 3044.5 km |
| Balcarce | 3048.5 km |
| Viedma | 3072.4 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
89.0 km
M 5.0
South Sandwich Islands region
Unknown · 2026-09-19 09:59 UTC
58.2 km
M 4.9
South Sandwich Islands region
Unknown · 2026-09-12 11:05 UTC
55.2 km
M 5.0
South Sandwich Islands region
Unknown · 2026-09-04 06:45 UTC
81.4 km
M 6.2
South Sandwich Islands region
Unknown · 2026-09-02 23:46 UTC
37.7 km
M 5.2
South Sandwich Islands region
Unknown · 2026-09-02 10:54 UTC
56.3 km
M 4.4
South Sandwich Islands region
Unknown · 2026-08-31 21:46 UTC
40.8 km
M 5.1
South Sandwich Islands region
Unknown · 2026-08-30 03:55 UTC
58.7 km
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