New York, June 17 : An earthquake with a magnitude of 6.5 jolted 270 km S of ʻOhonua, Tonga at 19:10:52 GMT on Friday, the U.S. Geological Survey said.The epicenter, with a depth of 10.0 km, was initially determined to be at 23.779 degrees south latitude and 175.172 degrees west longitude.(UNI)