SYDNEY — A 7.4 magnitude earthquake struck off Papua New Guinea on Tuesday with tsunami waves possible along the coast, seismologists said, although local residents said there was no major damage and sea levels were the same.The quake struck 133km south-southwest of the town of Kokopo in the New Britain region at a depth of 63km, the US Geological Survey said, and was followed by a 5.9 magnitude aftershock.The Pacific Tsunami Warning Centre said "hazardous tsunami waves are possible for coasts located within 300km of the earthquake epicentre" before later advising that "tsunami waves reaching 0.3m-1m above the tide level are possible".Mathew Moihoi, a seismologist at the PNG Geophysical Observatory, said the latest quake followed a series of seismic activity in the region in recent weeks but there had been no reports of major damage to buildings or infrastructure."Some things fell off the shelves," he said, adding that authorities were "keeping our fingers crossed" there would be no...
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