An earthquake of preliminary magnitude 5.2 jolted Fukushima Prefecture and its vicinity Sunday evening, the Japan Meteorological Agency said.
The 10:25 p.m. quake registered intensity 4 on the Japanese seismic scale of 7 in several parts of the prefecture, including Tamura and Minamisoma, according to the agency.
No tsunami warning was issued following the quake originated off Fukushima at a depth of around 50 km.
Also no damage was confirmed at the Fukushima No. 1 and No. 2 nuclear power plants so far, according to Tokyo Electric Power Co.