An earthquake with an intensity of 4 on the Japanese scale to 7 rattled the Hamadori area of eastern Fukushima Prefecture at 6:31 p.m. Saturday, the Meteorological Agency said.
The earthquake measured 3 in the Nakadori district of Fukushima as well as in northern, central and southern areas of adjacent Miyagi Prefecture, and in pars of Ibaraki Prefecture further to the north, the agency said on its website.
No tsunami warning was issued.
The quake's epicenter was off the coast of Fukushima Prefecture at a depth of 40 km below the seabed, the agency reported.
No damage was detected by an initial check of the Fukushima No. 1 and No. 2 nuclear plants, operator Tokyo Electric Power Co. said on its website shortly after the temblor.
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