A 6.0-magnitude earthquake hit off the coast of the Caribbean island nation of Antigua and Barbuda Saturday, US experts said, but caused no tsunami warning or immediate reports of damage or injury.

A 6.0-magnitude earthquake hit off the coast of the Caribbean island nation of Antigua and Barbuda Saturday, US experts said, but caused no tsunami warning or immediate reports of damage or injury.

The strong quake, which hit at 1126 GMT, struck at a depth of 24 kilometers (15 miles) with its epicenter located 153 kilometers northeast of the capital of Saint John's, according to the US Geological Survey.