TOKYO, Oct. 21 (Xinhua) -- Multiple people were reportedly injured after an earthquake with a preliminary magnitude of 6.6 and a number of aftershocks rocked Tottori prefecture and other areas in western Japan Friday.

The major temblor at 14:07 local time was centered in the central part of the Tottori prefecture, with the epicenter at a latitude of 35.4 degrees north and a longitude of 133.9 degrees east and at depth of 10 km.

It logged 6 minus on the Japanese seismic intensity scale which peaks at 7 in Tottori prefecture and some other areas, and could be felt in most areas in western Japan, including Osaka, Kyoto and Kobe.

An aftershock with a preliminary magnitude of 4.6 hit Tottori prefecture at 14:30 local time. Another aftershock with a magnitude of 4.3 hit the area three minutes later at 14:33.

So far no tsunami warning has been issued.

There has been no abnormality detected in the Ikata nuclear power plant, which saw the quake registered as 3 on Japanese seismic scale. The nuclear plant in Ehime Prefecture, western Japan, had its Unit 3 reactor reactivated a few months ago, according to the Shikoku Electric Power Company.

Power supply for 32,000 households in Tottori prefecture has been outed since 14:35 local time, local media reported.