TOKYO, June 26 (Xinhua) -- An earthquake with a preliminary magnitude of 5.6 struck the central Japanese prefecture of Yamanashi and nearby areas on Friday night, the Japan Meteorological Agency said.

The temblor occurred at around 10:29 p.m. local time at a depth of about 20 km. It measured lower 6, the third-highest level on Japan's seismic intensity scale of 7, in Fujikawaguchiko Town and Upper 5 in Otsuki City, both in Yamanashi Prefecture, the weather agency said. The prefecture is known for Mt. Fuji.

The earthquake also affected Kanagawa and Shizuoka prefectures, as well as Tokyo, where shaking was strongly felt. No tsunami warning was issued.

The quake's epicenter was located at a latitude of 35.6 degrees north and a longitude of 139.0 degrees east.

The quake was the second with a magnitude above 5 to strike near Tokyo on Friday. At 12:46 p.m., a 5.8-magnitude quake jolted Chiba Prefecture, with tremors also clearly felt in the capital. ■