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Natural disasters

M5.4 hit South part of Japan on 3/26/2014 / Possible aftershock not recorded by Meteorological Agency for some reason

M5.4 hit South part of Japan, according to Japan Meteorological Agency. It occurred at 17:50 3/26/2014 (JST). The epicenter was Satsunan shoto islands. It was only 10km deep. The maximum

Contaminated water crisis

[ALPS] Entire system shut down → Reboot → New leakage → Shut down again

Following up this article.. 21 tanks and 1km of pipe must be decontaminated due to the system failure of ALPS / Not known when to reboot ALPS [URL]   Tepco

Contaminated water crisis

[100m3 overflow] Tritium density in groundwater spiking up 60m east from the overflowed tank

Following up this article.. [100m3 overflow] All β detected 60m east from the tank / Contamination already penetrating to groundwater [URL]   Tritium density is rapidly increasing in groundwater taken

Plant hazard Spent Fuel Pools

Reactor4 pool had a crane trouble / Crane stopped for unknown reason

A crane stopped in reactor4 spent fuel pool. The crane is installed on the ceiling of the reactor building.   While Tepco was preparing to transfer the on-premises transportation container,

Plant hazard

Reactor2 alarm went off on 3/20/2014 / Radioactive density in air spiked over 2,200 times much

A monitoring alarm of reactor2 went off on 3/20/2014. The alarm is the dust monitoring system. It stopped 2 minutes later, but it indicated the radioactive density of dust jumped

Contaminated water crisis

[100m3 overflow] All β detected 60m east from the tank / Contamination already penetrating to groundwater

Following up this article.. [100 m3 overflow] “Who turned on the wrong valve and why ?” / Still not identified [URL]   The contamination is possibly penetrating to groundwater already,

Contaminated water crisis

Contaminated water storage already 91% full / Could be overflowing by this coming June

Related to this article.. 21 tanks and 1km of pipe must be decontaminated due to the system failure of ALPS / Not known when to reboot ALPS [URL]   From

Contaminated water crisis

Tepco rejects to test chloride concentration of groundwater / “To conceal seawater comes up to Fukushima plant ?”

Following up this article.. Groundwater in deep layer possibly traveling between sea and land / Tepco not to investigate it anymore [URL]   On 3/19/2014, Tepco clearly rejected to investigate

Contaminated water crisis

[Leakage of reactor3 coolant water] Tepco “Can’t touch anything due to the high level of radiation”

Following up this article.. Reactor3 coolant water leakage → Tepco “Don’t know the latest status” [URL]   Tepco can’t do anything for the coolant water leakage in Reactor3, Tepco announced

Contaminated water crisis

21 tanks and 1km of pipe must be decontaminated due to the system failure of ALPS / Not known when to reboot ALPS

Following up this article.. [ALPS shut-down] Tepco has already transferred 2,500 t of unpurified water to 21 clean tanks [URL]   21 tanks and 1km long pipes need to be