An earthquake with a preliminary magnitude of 5.4 struck off the coast of Ibaraki Prefecture in Japan's east on Sunday, but there was no threat of a tsunami, the country's weather agency said.The quake, which occurred around 3:55 p.m. with the focus at a depth of about 50 kilometers, registered 4 on the Japanese seismic intensity scale of 7 in parts of Ibaraki, northeast of Tokyo, the Japan Meteorological Agency said.The quake registered 3 in some parts of neighboring Fukushima Prefecture and the prefectures of Tochigi, Gunma and Chiba.There were no immediate reports of injuries or serious …READ FULL ARTICLE