According to TASS, equipment was damaged at the Asahi plant in Motomiya (Fukushima Prefecture).
Several premises were damaged at the Kirin plant.
On February 13, an earthquake with a magnitude of 7.1 hit the Fukushima prefecture area.
The National Meteorological Office of Japan called it the aftershock of the 2011 Great East Japan Earthquake.
As a result, more than 100 people were injured.
No emergency situations were recorded at the country's nuclear facilities.
On February 14, an aftershock with a magnitude of 5.2 occurred in the Fukushima area.