A powerful earthquake of magnitude 7.5 struck south of Alaska's Aleutian Islands on Monday, triggering a tsunami warning for the area, the U.S. Geological Survey said.

BUENOS AIRES, Argentina -- A major, preliminary magnitude 7.5 earthquake struck in the South Atlantic Ocean late Thursday, the United States Geological Survey reported, prompting Chilean authorities ...

A powerful earthquake struck off the coast of Alaska's Aleutian Islands early Monday, stirring concerns of a potential tsunami among residents on the mainland. The U.S. Geological Survey (USGS) ...

An earthquake of magnitude 7.5 struck offshore in the southern Philippines on Friday morning, the country's seismology agency ...

Two significant earthquakes struck near the East Coast of Kamchatka in Russia early Friday, with the first measuring 7.5 on the Richter scale.

The region lies at the intersection of major tectonic boundaries that are known for generating powerful earthquakes and volcanic activity.