According to the Japan Meteorological Agency, the quake occurred in the southern Ibaraki prefecture, at a depth of 70 kilometres, an area of Japan prone to frequent quakes. The United States Geological Survey recorded a preliminary magnitude of 5.8.The Fire and Disaster Management Agency said at least five people were injured in Ibaraki, Chiba and Saitama prefectures northeast of Tokyo. The agency said more people were injured and details are being investigated, the FDMA said.The quake caused delays to exp ...