7.1 quake hits off Japan; Tsunami warning lifted

Japan was rattled by a magnitude-7.1 aftershock Thursday night nearly a month after a devastating earthquake and tsunami flattened the northeastern coast.The strongest aftershock since the day of the magnitude-9.0 megaquake was a fresh blow to victims of that March 11 quake and subsequent tsunami that killed some 25,000 people, tore apart hundreds of thousands of homes and has sparked an ongoing