An earthquake with a magnitude of 5.4 jolted 223 km SE of Attu Station, Alaska at 14:50:27 GMT on Sunday, the U.S. Geological Survey said.

The epicentre, with a depth of 29.8 km, was initially determined to be at 51.6319 degrees north latitude and 175.7874 degrees east longitude.

There were no reports of any damage or fatalities following the incident.

Alaska is located in the Pacific "Ring of Fire", where tectonic plates collide and frequent seismic and volcanic activity are experienced.

(With input from agencies)