Magnitude 6.8 earthquake hits Port-Olry, Vanuatu The US Tsunami Warning System said there is no tsunami warning after the earthquake. 
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A magnitude 6.8 earthquake struck 83 km (51.57 miles) east of Port-Olry in Vanuatu on Wednesday, the United States Geological Survey (USGS) said.
The quake was 10 km below the Earth's surface, USGS said.
The US Tsunami Warning System said there is no tsunami warning after the earthquake.