A strong earthquake struck near Vanuatu in the South Pacific Ocean on Monday, officials said.The United States Geological Survey said the epicentre of the quake was at a depth of about 115 km. Earthquakes at shallower depths are felt more strongly at the surface.The jolt hit about 35 km northeast of Luganville, Vanuatu.There were no immediate reports of damage or tsunami waves.The US tsunami warning centre said there were no initial tsunami warnings, advisories, watches or threats from the quake.


