TOKYO, May 8 (Reuters) - A earthquake with a preliminary magnitude of 6.7 jolted eastern Japan early on Thursday, and was felt over a wide area, including in Tokyo, Japan's meteorological agency said.The quake, at 1:45 a.m. (1645 GMT, Wednesday), was centred in the Pacific Ocean east of Tokyo.There were no immediate reports of injuries or damage after the quake, which measured 5 on the Japanese scale of 7 in some parts northeast of Tokyo, NHK said.