| Magnitude | 5.5 |
| Alert | Strong |
| Depth | 150.0 km |
| Coordinates | -57.679, -27.078 |
| UTC time | 1999-04-03 00:31:38.380 |
Earthquake details
Saturday, April 3, 1999 Earthquake
The earthquake hit South Sandwich Islands region on Saturday, April 3, 1999 at 00:31 UTC with a magnitude of 5.5. The closest known location in the current dataset is Ushuaia, about 2530.4 km away. The epicenter is located at longitude -27.078 and latitude -57.679.
| Location | South Sandwich Islands region |
| Country | South Sandwich Islands region |
| Severity | Strong |
Earthquake map 1999-04-03
Closest countries
The 12 closest cities near the epicenter.
| Ushuaia | 2530.4 km |
| Río Grande | 2543.3 km |
| Río Gallegos | 2748.0 km |
| Punta Arenas | 2764.2 km |
| Caleta Olivia | 2980.1 km |
| Comodoro Rivadavia | 3020.3 km |
| Trelew | 3089.7 km |
| Mar del Plata | 3111.1 km |
| Puerto Madryn | 3112.3 km |
| Necochea | 3121.9 km |
| Viedma | 3156.2 km |
| Balcarce | 3160.7 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
69.0 km
M 4.9
South Sandwich Islands region
Unknown · 2026-08-29 07:10 UTC
80.7 km
M 4.4
South Sandwich Islands region
Unknown · 2026-08-04 02:29 UTC
12.4 km
M 4.6
South Sandwich Islands region
Unknown · 2026-07-04 07:13 UTC
90.4 km
M 5.2
South Sandwich Islands region
Unknown · 2026-07-02 02:57 UTC
99.8 km
M 4.5
South Sandwich Islands region
Unknown · 2026-06-01 06:46 UTC
81.8 km
M 4.5
South Sandwich Islands region
Unknown · 2026-05-31 23:27 UTC
92.2 km
M 4.6
South Sandwich Islands region
Unknown · 2026-05-27 21:37 UTC
82.2 km
Stay informed
Earthquake alerts
Create targeted notifications for important seismic activity near the places you follow.