A 7.5 magnitude earthquake struck off the southern tip of South America, in the Drake Passage, the U.S. Geological Survey (USGS) reports, striking at the shallow depth of 10 kilometers. Chile has also issued a tsunami threat advisory.

A significant 7.4 magnitude earthquake rattled the Drake Passage on August 22, 2025, triggering tsunami warnings for Antarctic bases. While a widespread tsunami was averted, the event underscores the region's seismic activity and its crucial role in global climate regulation.

An earthquake of 7.5 magnitude struck the remote Drake Passage on Thursday, August 21, 2025, triggering a tsunami warning in parts of Antarctica that was later cancelled. The earthquake hit