A 7.4 magnitude earthquake struck off the southern coasts of Chile and Argentina on Friday, triggering a tsunami warning, but no damage was reported.

A major, 7.4-magnitude earthquake struck in the South Atlantic Ocean on Friday, prompting an alert for a potential tsunami along parts of the Chilean coast, according to monitoring agencies in the United States.

The coast of Chile is at risk of "hazardous" tsunami waves after a huge earthquake struck off the south of Argentina, the U.S. has warned. The U.S. Tsunami Warning Centers said in its alert that these waves are possible within 300 kilometers of the earthquake's epicenter,