22 August,2025 04:18 PM IST | Buenos Aires(Argentina) | AP
The Drake Passage connects the South Atlantic and South Pacific oceans. Representational Pic/File
A major, preliminary magnitude 7.5 earthquake struck in the South Atlantic Ocean late Thursday, the United States Geological Survey reported, prompting Chilean authorities to issue an advisory for a potential tsunami along parts of Antarctica.
There were no evacuation orders immediately declared for Chile or Argentina, the two countries closest to the quake.
The temblor happened at 11:16 pm local time in Argentina about 710 kilometres southeast of Ushuaia, Argentina, in the Drake Passage, according to the U.S. Geological Survey. The earthquake had a preliminary depth of 10.8 kilometres.
The Drake Passage connects the South Atlantic and South Pacific oceans between the southern tip of South America and the Antarctic Peninsula.
Though less quake-prone than other stretches of Chile's coast, the Drake Passage straddles a highly active seismic and geological zone.
The area is very remote and there were no immediate reports of damage or casualties.
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