A strong quake with a preliminary magnitude of 5.6 jolted the central Japanese prefecture of Yamanashi and nearby areas on Friday, the weather agency said, with no tsunami warning issued and no abnormality detected in volcanic activity at Mt. Fuji.The 10:29 p.m. quake, at a depth of around 20 kilometers, measured lower 6 on the Japanese seismic intensity scale of 7 in Fujikawaguchiko, Yamanashi.An intensity of lower 6 means it is difficult to remain standing and unsecured objects like furniture may topple over and windows may be damaged, according to the agency. Parts of the Tokyo metropoli…READ FULL ARTICLE