The epicenter of the 7.5-magnitude quake was in the Drake Passage, a body of water between the southernmost tip of South America and Antarctica.

A major, preliminary magnitude 7.5 earthquake struck in the South Atlantic Ocean late Thursday, the United States Geological Survey reported. The U.S. National Oceanic and Atmospheric Administration said there was no longer a threat of a tsunami after an earlier advisory by Chilean authorities for parts of Antarctica.

A earthquake hit the Drake Passage region on Thursday. The National Tsunami Warning Center addressed tsunami concerns in the Puerto Rico-Virgin Islands region.

A 5.7-magnitude earthquake was reported early Tuesday in the Drake Sea, with its epicenter located 249 kilometers south of Puerto Williams, in the Magallanes and Chilean Antarctic Region. Following the seismic event,

A 5.7-magnitude earthquake struck the Drake Sea near Puerto Williams, Chile, in the early hours of Tuesday. Alarms were triggered across the region, raising fears of a potential tsunami. But thanks to Chile's rapid response systems, the Navy's Hydrographic ...