| Magnitude | 5.3 |
| Alert | Strong |
| Depth | 33.0 km |
| Coordinates | -55.218, -28.928 |
| UTC time | 1977-06-06 01:29:59.300 |
Earthquake details
Monday, June 6, 1977 Earthquake
The earthquake hit South Sandwich Islands region on Monday, June 6, 1977 at 01:29 UTC with a magnitude of 5.3. The closest known location in the current dataset is Río Grande, about 2479.4 km away. The epicenter is located at longitude -28.928 and latitude -55.218.
| Location | South Sandwich Islands region |
| Country | South Sandwich Islands region |
| Severity | Strong |
Earthquake map 1977-06-06
Closest countries
The 12 closest cities near the epicenter.
| Río Grande | 2479.4 km |
| Ushuaia | 2480.8 km |
| Río Gallegos | 2664.2 km |
| Punta Arenas | 2702.7 km |
| Caleta Olivia | 2840.5 km |
| Mar del Plata | 2873.3 km |
| Comodoro Rivadavia | 2875.9 km |
| Necochea | 2891.7 km |
| Trelew | 2916.1 km |
| Balcarce | 2925.3 km |
| Puerto Madryn | 2934.2 km |
| Viedma | 2956.7 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
29.8 km
M 4.8
South Sandwich Islands region
Unknown · 2026-09-29 04:16 UTC
46.8 km
M 5.0
South Sandwich Islands region
Unknown · 2026-09-19 09:59 UTC
68.6 km
M 6.4
South Sandwich Islands region
Unknown · 2026-07-11 10:26 UTC
35.3 km
M 4.9
South Sandwich Islands region
Unknown · 2026-04-02 20:22 UTC
50.7 km
M 4.9
South Sandwich Islands region
Unknown · 2026-03-01 03:41 UTC
91.5 km
M 4.5
South Sandwich Islands region
Unknown · 2026-01-18 12:48 UTC
87.4 km
M 5.4
South Sandwich Islands region
Unknown · 2026-01-17 18:00 UTC
64.7 km
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