Two earthquakes strike eastern Japan within hours
Two earthquakes struck eastern Japan within three hours early Thursday, shaking Chiba and Ibaraki prefectures, but neither triggered a tsunami, according to the country's weather agency. The first earthquake, with a preliminary magnitude of 4.8, struck northeastern Chiba Prefecture at 4.13 am local time (1913GMT Wednesday), Kyodo News reported, citing the Japan Meteorological Agency (JMA).