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The earthquake hit about 7 kilometers (4 miles) northeast of Norsup at 02:31 GMT on Saturday; its epicenter was located at a depth of about 37 kilometers (23 miles).

There were no immediate reports of damages or casualties. No tsunami warning was issued. The Vanuatu Islands are part of the so-called Pacific Ring of Fire quake zone, where about 90 percent of the world's earthquakes occur.