At around 5:18 PM on Friday, December 7, an earthquake (seismic intensity of 4) occurred in Hamadori region in Fukushima Prefecture. The conditions of the nuclear power stations are as follows.
[Fukushima Daiichi Nuclear Power Station]
There has been no problem found with the monitoring post data, Units 1-6 main plant parameters, reactor water injection system, accumulated water transfer, water treatment facility and other facilities. Currently, no injury has been reported due to the earthquake. The maximum acceleration observed in the power station was 26.2 Gal (horizontal direction) at the foundation ground in Unit 6 Reactor Building.
[Fukushima Daini Nuclear Power Station]
The maximum acceleration observed in the power station was 26.0 Gal(vertical direction) at the foundation ground in Unit 1 Reactor Building.
The fluctuation of the monitoring post readings is being maintained within the range of normal fluctuation before and after the earthquake and currently no radiation impact to the outside of the power station has been reported due to the earthquake. No injury has been reported due to the earthquake.
We will continue investigating the conditions of the equipments/facilities in the power stations.
© Tokyo Electric Power Company Holdings, Inc.
