Here some actual reliable information (aka. not mass media hyped) about what is going on with the nuclear power plants from the ACTUAL Nuclear and Industrial Safety Agency in Japan. (
http://www.nisa.meti.go.jp/english/index.html)
Seismic Damage Information (the 23rd Release)
(As of 19:30 March 14, 2011)
Nuclear and Industrial Safety Agency (NISA) confirmed the current
situation of Onagawa NPS, Tohoku Electric Power Co., Inc; Fukushima
Dai-ichi and Fukushima Dai-ni NPSs, Tokyo Electric Power Co., Inc. as
follows:
1. The status of operation at Power Stations (Number of automatic shutdown
units: 10)
○Fukushima Dai-ichi Nuclear Power Station, Tokyo Electric Power Co., Inc.
(TEPCO)
(Okuma-machi and Futaba-machi, Futaba-gun, Fukushima Prefecture )
(1) The status of operation
Unit 1 (460MWe): automatic shutdown
Unit 2 (784MWe): automatic shutdown
Unit 3 (784MWe): automatic shutdown
Unit 4 (784MWe): in periodic inspection outage
Unit 5 (784MWe): in periodic inspection outage
Unit 6 (1,100MWe): in periodic inspection outage
(2) Readings at monitoring posts
The measurement of radioactive materials in the environmental
monitoring area near the site boundary conducted by a monitoring car in
considering the wind flow, confirmed the increase in the radioactivity
compared to the radioactivity at 07:30, March 14.
MP3 (Monitoring at North West of Site Boundary for Unit 2) :
231.1 micro Sv/h (14:30 March 14)
MP4 (Monitoring at north- west of Site Boundary for Unit 2 :
56.4 micro Sv/h(04:08 March 14)
→29.8 micro Sv/h(14:14 March 14)
MP5 (Monitoring at north-west Site Boundary for Unit 2)
6.1 micro Sv/h(14:02 March 14)
MP6 (Monitoring at the west –southwest Site Boundary for Unit 2)
3.70 micro Sv/h(16:10 March 14)
→4.2 micro Sv/h(12:34 March 14)
MP7 (Monitoring at the west –southwest Site Boundary for Unit 2)
6.1 micro Sv/h (12:16, March 14)
(3) Wind direction/wind speed (as of 14:14, March 14) at MP-4
Wind direction: North North West
Wind Speed: 2.6 m/
(5) Report concerning other malfunction
・ No fire report notified to NISA
・ TEPCO reported to NISA in accordance with Article 10 of the Act on
Special Measures Concerning Nuclear Emergency Preparedness
regarding Fukushima Dai-ichi, Units 1,2 and 3. (15:42 March 11)
・ TEPCO report to NISA the event in accordance with Article 15 of the
Act for Special Measures Concerning Nuclear Emergency Preparedness
regarding Fukushima Dai-ichi, Units 1 and 2.(notified to NISA at 16:36
March 11)
・ For Unit 1: Sea water is being injected to the Primary Containment
Vessel (PCV)via the Fire Extinguishing System Line (Start up 11:55
March 13)
→Interruption of injection (01:10 March 14)
・ For Unit 2: Water Injection Function has been sustained. (14:00 March
13)
・ For Unit 2: Reactor Water Level is decreasing. (13:18 March 14)
・ For Unit 2: Seawater injection to the Reactor Pressure Vessel (RPV) is
ready through Fire Extinguishing System Line. (19:20 March 14)
・ For Unit 3: Fresh water is being injected to the PCV via Fire
Extinguishing System Line(FES)(11:55 March 13)
・ For Unit 3: Sea water is being injected to the PCV via FESL(13:12
March 13)
・ For Unit 1 and Unit 3: Injection of Sea water injection into PCV is
interrupted because of the lack of sea water in pit. (01:10 March 14)
・ For Unit 3: Injection of Sea water into PCV is restarted(03:20 March 14)
・ For Unit 3: Unusual pressure increase was identified (11:45 March 14)
・ For Unit 3: Explosion of the Reactor Building broke out similarly with
Unit 1 (11:01 March 14)
○ Fukushima Dai-ni Nuclear Power Station (TEPCO)
(Naraha-machi/Tomioka-machi, Futaba-gun, Fukushima pref.)
(1) The status of operation
Unit1 (1,100MWe): automatic shutdown, cold shut down at 13:40, March 14
Unit2 (1,100MWe): automatic shutdown, cold shut down at 14:20, March 14
Unit3 (1,100MWe): automatic shutdown, cold shut down at 12:15, March 12
Unit4 (1,100MWe): automatic shutdown
(2) Readings at monitoring post etc.
MP1 (Monitoring at the North End of Site Boundary)
0.038microSv/h(5:00 March 14)
→0.034 microSv/h(15:40 March 14)
MP3 (Monitoring at the North/West End of Site boundary)
0.037microSv/h(5:00 March 14)
→0.035 microSv/h(15:40 March 14)
MP4 (Monitoring at the North/West End of Site Boundary)
0.038microSv/h(5:00 March 14)
→0.037microSv/h(15:40 March 14)
MP5 (Monitoring at the West End of Site Boundary)
0.042 microSv/h(5:00 March 14)
→0.042 microSv/h(15:40 March 14)
(3) Direction and velocity of wind (As of 15:40, 14 March)
Direction: West
Velocity: 6 m /s
(5) Report concerning other malfunction
・ None of fire report notified to NISA
・ TEPCO reported to NISA in accordance with Article 10 of the Act on
Special Measures Concerning Nuclear Emergency Preparedness
regarding Fukushima Dai-ni, Units 1. (18:08 March 11)
・ As same as above, TEPCO reported to NISA Fukushima Dai-ni Units 2
and 4.(18:33 March 11)
・ For Unit 1: Due to Recovery of Residual Heat Removal System(RHR),
water in suppression pool is started to cool for cold shut down.(01:24
March 14)
c. Onagawa Nuclear Power Station (Onagawa-cho, Oga-gun and
Ishinomaki–shi, Miyagi Prefecture)
(1) The status of operation
Unit 1 (524MWe): automatic shutdown, cold shut down at 0:58, March 12
Unit 2 (825MWe): automatic shutdown
Unit 3 (825MWe): automatic shutdown, cold shut down at 1:17, March 12
(2) Readings of monitoring post
Reading of monitoring post : Changed
MP2 (Monitoring at the North End of Site Boundary)
Approx. 10,000 nGy/h (as of 13:09 March13)
→7,200 nGy/h (07:20 March 14)
(3) Report concerning other malfunction
・ Fire Smoke on the first basement of the Turbine Building was confirmed
extinguished at 22:55 on March 11th.
・ Article 10* of Act on Special Measures Concerning Nuclear Emergency
Preparedness (Unit No. not identified) (13:09 March 13)
2. Action taken by NISA
(March 11)
14:46 Set up of the NISA Emergency Preparedness Headquarters (Tokyo)
immediately after the earthquake
15:42: TEPCO reported to NISA in accordance with Article 10 of the Act on
Special Measures Concerning Nuclear Emergency Preparedness
regarding Fukushima Dai-ichi.
16:36: TEPCO judged the event in accordance with Article 15 of the Act for
Special Measures Concerning Nuclear Emergency Preparedness
regarding Fukushima Dai-ichi, Units 1 and 2.(notified to NISA at
16:45)
18:08: Unit 1 of Fukushima Dai-ni notified NISA of the situation of the
Article 10 of Act on Special Measures Concerning Nuclear Emergency
Preparedness.
or better yet:
http://www.nisa.meti.go.jp/english/files/en20110315-1.pdf