An earthquake with a preliminary magnitude of 5.0 rattled eastern Japan including the Tokyo metropolitan area early Tuesday, the weather agency said.
The temblor struck at 4:53 a.m. in southern Ibaraki Prefecture with a focus about 50 kilometers below the surface, the Japan Meteorological Agency said. The agency did not issue a tsunami warning.
The quake registered 4 on the Japanese seismic intensity scale of 7 in parts of Ibaraki, Gunma, Tochigi and Saitama prefectures. The shaking was also felt across a wide area in eastern Japan including Tokyo, Yokohama and Chiba.
There were no immediate reports of injuries or property damage from the quake.