Back to homepage
Natural disasters

M5.4 Tokyo Bay

M5.4 hit Tokyo area at 11:31 7/3/2012. Epicenter was Tokyo Bay.             Source   Iori Mochizuki


Black-ish fog covered Fukushima plant

From 17:00 to 18:00 of 7/2/2012, black-ish fog / steam / smoke / gas / … covered reactor 1 ~4.           Iori Mochizuki


20,201 Bq/Kg from vacuum cleaner in Chiba

    20,201 Bq/Kg and 14,531 Bq/Kg of cesium was measured from the dust of vacuum. The former one was taken in Nagareyama Chiba, the later one was taken in

Spent Fuel Pools

[Reactor4] Actual Fukushima worker “In short, it was a design error.”

Following up this article..[Reactor4] Coolant system is still running without proper equipment   Actual Fukushima worker Happy11311 tweeted about the failure of the back-up coolant system in SFP4.    

Spent Fuel Pools

[Reactor4] Coolant system is still running without proper equipment

  Following up this article..[Reactor4]Coolant system is provisionally back on to be fully recovered tomorrow SFP4 is not fully recovered yet. On 7/2/2012, Tepco announced like this below, Upon investigation,


Fukushima prefecture started saving SPEEDI data by their own USB since 1 hr before reactor3 exploded

Fukushima prefecture received SPEEDI data from 23:54 of 3/12/2011 to 9:45 of 3/16/2011.[Link] They received emails to contain SPEEDI data 86 times from Japanese government, but they abandoned the data