| Magnitude | 5.2 |
| Alert | Strong |
| Depth | 33.0 km |
| Coordinates | -60.586, -27.235 |
| UTC time | 1977-04-04 02:29:32.600 |
Earthquake details
Monday, April 4, 1977 Earthquake
The earthquake hit South Sandwich Islands region on Monday, April 4, 1977 at 02:29 UTC with a magnitude of 5.2. The closest known location in the current dataset is Ushuaia, about 2481.9 km away. The epicenter is located at longitude -27.235 and latitude -60.586.
| Location | South Sandwich Islands region |
| Country | South Sandwich Islands region |
| Severity | Strong |
Earthquake map 1977-04-04
Closest countries
The 12 closest cities near the epicenter.
| Ushuaia | 2481.9 km |
| Río Grande | 2510.4 km |
| Punta Arenas | 2725.2 km |
| Río Gallegos | 2733.9 km |
| Caleta Olivia | 3027.5 km |
| Comodoro Rivadavia | 3073.1 km |
| Trelew | 3177.3 km |
| Puerto Madryn | 3205.2 km |
| Viedma | 3276.1 km |
| Mar del Plata | 3283.7 km |
| Necochea | 3283.8 km |
| Balcarce | 3329.6 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 4.3
South Sandwich Islands region
Unknown · 2026-05-24 10:04 UTC
98.1 km
M 4.3
South Sandwich Islands region
Unknown · 2026-02-20 11:43 UTC
62.4 km
M 4.6
South Sandwich Islands region
Unknown · 2026-01-27 09:54 UTC
91.9 km
M 5.1
South Sandwich Islands region
Unknown · 2025-12-28 04:36 UTC
95.0 km
M 4.4
South Sandwich Islands region
Unknown · 2025-11-26 17:37 UTC
50.1 km
M 4.5
South Sandwich Islands region
Unknown · 2025-08-26 17:57 UTC
56.8 km
M 4.5
South Sandwich Islands region
Unknown · 2025-08-19 17:49 UTC
71.5 km
M 4.3
South Sandwich Islands region
Unknown · 2025-07-11 05:18 UTC
78.2 km
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