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Top > Measures towards the revitalization of Fukushima > Current situation of Fukushima Daiichi and Daini nuclear power station > Plant Data of Fukushima Daiichi Nuclear Power Station at the time of the Tohoku-Chihou-Taiheiyou-Oki Earthquake

Plant Data of Fukushima Daiichi Nuclear Power Station at the time of the Tohoku-Chihou-Taiheiyou-Oki Earthquake

1. Description of data

<Reference: Reports posted in the past>
Reported on May 16, 2011

2. Chart

<Reference: Reports posted in the past>
Unit 2   Unit 3   Unit 5(1)   Unit 6(1)  

3. Data of abnormal events including alarm records

<Reference> Additional data from the date when printing was started to the date when the reactor was brought to cold shutdown state [Added onJuly 17, 2013]
Unit 5   Unit 6(1)   Unit 6(2)   Unit 6(3)

4. Operation logs

5. Data of process computers

6. Data of transient recorders

Additional data of the transient recording device [Added onJuly 17, 2013]

(Reference) Additional data of the transient recording device [Added on May 10, 2013]

* As for the time data obtained every minute by the transient recording device at Unit 1 in Fukushima Daiichi NPS (announced on May 10), the digit of second has not been displayed. Therefore, we have corrected this error. (Corrected on May 21)

7. Compilation of operation records

<Reference: Reports posted in the past>
After corrected on June 13, 2011      Reported on May 16, 2011
<Reference>Additional data of the fire fighter pump flowmeter during the measurement period of the Accident Management Panel   [September 9, 2011]

8. Plant parameters

<Reference: Reports posted in the past>
After corrected on June 13, 2011      Reported on May 16, 2011

<Reference: Reports posted in the past>
After corrected on June 13, 201      Reported on May 16, 2011