Japan earthquake
The quake struck Japan at its western prefecture of Tottori.USGS

A powerful earthquake of 6.6 preliminary magnitude struck western Japan on Friday. According to the United States Geological Survey, there is no danger of tsunami in the area.

The meteorological agency said that the earthquake struck Japan at 2:10 pm (0510 GMT) in Japan's western prefecture of Tottori, which is around 430 miles west of Tokyo, at a depth of 6 miles.

There were no immediate reports on any damage or casualties.

More details of the quake are awaited.