| Magnitude | 5.3 |
| Alert | Strong |
| Depth | 33.0 km |
| Coordinates | -56.220, -26.707 |
| UTC time | 1978-10-09 11:34:19.600 |
Earthquake details
Monday, October 9, 1978 Earthquake
The earthquake hit South Sandwich Islands region on Monday, October 9, 1978 at 11:34 UTC with a magnitude of 5.3. The closest known location in the current dataset is Ushuaia, about 2587.1 km away. The epicenter is located at longitude -26.707 and latitude -56.220.
| Location | South Sandwich Islands region |
| Country | South Sandwich Islands region |
| Severity | Strong |
Earthquake map 1978-10-09
Closest countries
The 12 closest cities near the epicenter.
| Ushuaia | 2587.1 km |
| Río Grande | 2592.6 km |
| Río Gallegos | 2786.9 km |
| Punta Arenas | 2815.1 km |
| Caleta Olivia | 2987.0 km |
| Comodoro Rivadavia | 3024.3 km |
| Mar del Plata | 3049.3 km |
| Necochea | 3066.3 km |
| Trelew | 3075.0 km |
| Puerto Madryn | 3094.6 km |
| Balcarce | 3100.9 km |
| Viedma | 3123.8 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 4.9
South Sandwich Islands region
Unknown · 2026-09-12 11:05 UTC
9.5 km
M 5.0
South Sandwich Islands region
Unknown · 2026-09-04 06:45 UTC
34.4 km
M 6.2
South Sandwich Islands region
Unknown · 2026-09-02 23:46 UTC
74.3 km
M 5.2
South Sandwich Islands region
Unknown · 2026-09-02 10:54 UTC
23.1 km
M 4.4
South Sandwich Islands region
Unknown · 2026-08-31 21:46 UTC
86.2 km
M 5.1
South Sandwich Islands region
Unknown · 2026-08-30 03:55 UTC
32.1 km
M 5.0
South Sandwich Islands region
Unknown · 2026-07-29 10:30 UTC
55.8 km
M 4.6
South Sandwich Islands region
Unknown · 2026-07-12 15:15 UTC
44.5 km
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