| Magnitude | 5.1 |
| Alert | Strong |
| Depth | 15.2 km |
| Coordinates | -55.381, -28.322 |
| UTC time | 2021-08-18 19:27:57.134 |
Earthquake details
Wednesday, August 18, 2021 Earthquake
The earthquake hit South Sandwich Islands region on Wednesday, August 18, 2021 at 19:27 UTC with a magnitude of 5.1. The closest known location in the current dataset is Río Grande, about 2512.9 km away. The epicenter is located at longitude -28.322 and latitude -55.381.
| Location | South Sandwich Islands region |
| Country | South Sandwich Islands region |
| Severity | Strong |
Earthquake map 2021-08-18
Closest countries
The 12 closest cities near the epicenter.
| Río Grande | 2512.9 km |
| Ushuaia | 2513.0 km |
| Río Gallegos | 2699.6 km |
| Punta Arenas | 2736.2 km |
| Caleta Olivia | 2880.0 km |
| Mar del Plata | 2915.6 km |
| Comodoro Rivadavia | 2915.7 km |
| Necochea | 2934.2 km |
| Trelew | 2957.4 km |
| Balcarce | 2967.7 km |
| Puerto Madryn | 2975.7 km |
| Viedma | 2998.8 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 4.8
South Sandwich Islands region
Unknown · 2026-09-29 06:38 UTC
16.6 km
M 4.8
South Sandwich Islands region
Unknown · 2026-09-29 04:16 UTC
10.2 km
M 5.0
South Sandwich Islands region
Unknown · 2026-09-19 09:59 UTC
30.2 km
M 6.2
South Sandwich Islands region
Unknown · 2026-09-02 23:46 UTC
95.3 km
M 4.4
South Sandwich Islands region
Unknown · 2026-08-31 21:46 UTC
79.7 km
M 5.0
South Sandwich Islands region
Unknown · 2026-07-29 10:30 UTC
81.6 km
M 6.4
South Sandwich Islands region
Unknown · 2026-07-11 10:26 UTC
40.8 km
M 4.5
South Sandwich Islands region
Unknown · 2026-07-03 01:53 UTC
86.3 km
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