Magnitude 6.3 earthquake strikes west of Loyalty Islands in latest Pacific Ring of Fire quake

The Ring of Fire is a 25,000-mile belt of volcanoes and earthquake zones surrounding much of the Pacific Ocean.

NOUMEA, New Caledonia — A magnitude 6.3 earthquake struck about 325 miles west of the Loyalty Islands, part of the French territory of New Caledonia, in the southwest Pacific Ocean along the Pacific Ring of Fire, where about 90% of the world's earthquakes occur.

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The quake struck just after 1:45 a.m. local time with an epicenter around 6 miles below the surface.

There were no immediate reports of damage and the U.S. Tsunami Warning System said there was no tsunami threat to Guam, American Samoa or Hawaii.

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The Ring of Fire is a 25,000-mile belt of volcanoes and earthquake zones surrounding much of the Pacific Ocean.