| Magnitude | 5.0 |
| Alert | Strong |
| Depth | 140.0 km |
| Coordinates | -57.917, -27.251 |
| UTC time | 1991-04-16 03:01:56.260 |
Earthquake details
Tuesday, April 16, 1991 Earthquake
The earthquake hit South Sandwich Islands region on Tuesday, April 16, 1991 at 03:01 UTC with a magnitude of 5.0. The closest known location in the current dataset is Ushuaia, about 2515.6 km away. The epicenter is located at longitude -27.251 and latitude -57.917.
| Location | South Sandwich Islands region |
| Country | South Sandwich Islands region |
| Severity | Strong |
Earthquake map 1991-04-16
Closest countries
The 12 closest cities near the epicenter.
| Ushuaia | 2515.6 km |
| Río Grande | 2529.7 km |
| Río Gallegos | 2736.0 km |
| Punta Arenas | 2750.2 km |
| Caleta Olivia | 2973.3 km |
| Comodoro Rivadavia | 3014.1 km |
| Trelew | 3086.6 km |
| Puerto Madryn | 3109.7 km |
| Mar del Plata | 3116.3 km |
| Necochea | 3126.1 km |
| Viedma | 3156.1 km |
| Balcarce | 3165.5 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 5.1
South Sandwich Islands region
Unknown · 2026-09-08 06:50 UTC
62.7 km
M 4.4
South Sandwich Islands region
Unknown · 2026-08-04 02:29 UTC
26.4 km
M 4.6
South Sandwich Islands region
Unknown · 2026-07-04 07:13 UTC
92.6 km
M 5.2
South Sandwich Islands region
Unknown · 2026-07-02 02:57 UTC
79.4 km
M 4.5
South Sandwich Islands region
Unknown · 2026-06-01 06:46 UTC
88.3 km
M 4.5
South Sandwich Islands region
Unknown · 2026-05-31 23:27 UTC
96.9 km
M 4.6
South Sandwich Islands region
Unknown · 2026-05-27 21:37 UTC
80.4 km
M 4.5
South Sandwich Islands region
Unknown · 2026-03-23 19:48 UTC
90.9 km
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