TOKYO, Aug. 23 (Xinhua) -- An earthquake with a preliminary magnitude of 5.9 struck Ibaraki Prefecture, northeast of Tokyo, the Japan Meteorological Agency said Sunday.
The shaking was strongly felt in the Japanese capital.
The temblor occurred at around 2 a.m. local time (1700 GMT) at a depth of about 70 km, measuring lower 5 on Japan's seismic intensity scale of 7 in parts of Ibaraki, Saitama and Chiba prefectures as well as Tokyo's Adachi Ward, the weather agency said.
The quake's epicenter was located at a latitude of 36 degrees north and a longitude of 140.1 degrees east.
No tsunami warning was issued. ■