An earthquake with a preliminary magnitude of 4.9 struck eastern Japan around 4:45 a.m. Tuesday, registering 4 on Japan's seismic intensity scale of 7 in parts of Ibaraki and Saitama prefectures near Tokyo, the weather agency said.There was no threat of a tsunami, according to the Japan Meteorological Agency. Japan Atomic Power Co. said no abnormalities were detected at the Tokai No. 2 nuclear power plant in Ibaraki Prefecture, northeast of Tokyo.The quake also registered between 1 and 3 on the intensity scale in Tokyo and the prefectures of Miyagi, Fukushima, Ibaraki, Tochigi, Gunma, Saita…READ FULL ARTICLE