A tsunami alert has been lifted after a 6.8-magnitude quake which struck Wednesday off the coast of the Pacific island nation Vanuatu. The earthquake was detected at a depth of 94 kilometres (56 miles) and was about 340 kilometres northwest of Port Vila, according to the US Geological Survey. The risk of dangerous tsunami waves “has now passed”, the Pacific Tsunami Warning Centre said after revising its initial assessment. A resident of Vanuatu’s largest island […]