Category Archives: Fukushima

Information about the Fukushima Daiichi site.

News Updates and Current Status of Facilities

Units 1 and 2: TEPCO has released estimates of the levels of core damage at these two reactors: 70% damage at Unit 1 and 33% at Unit 2. They have also stated that Unit 1 is being adequately cooled. Outlook: … Continue reading

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Unit 2 Explosion and Unit 4 Spent Fuel Pool Fire

Explosion at Unit 2 It was reported earlier today that the explosion at Unit 2 of the Fukushima Daiichi plant damaged the suppression chamber.  As discussed in the previous post, the suppression chamber/torus (i.e. donut shape vessel containing water) is … Continue reading

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Explanation of Hydrogen Explosions at Units 1 and 3

Explosions at units 1 and 3 occurred due to similar causes. When an incident occurs in a nuclear power plant such as a loss of coolant accident or when power is lost, usually the first response is to depressurize the … Continue reading

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Damage to Fukushima Daiichi 2 [World Nuclear News]

Loud noises were heard at Fukushima Daiichi 2 at 6.10am this morning. A major component beneath the reactor may be damaged. Confirmation of loud sounds this morning came from the Nuclear and Industrial Safety Agency (NISA). It noted that “the … Continue reading

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Status Update – 3/14/11 at 1:00 pm EST (Source – The Federation of Electric Power Companies of Japan (FEPC))

As of 1:00PM (EST), March 14, 2011 * Radiation Levels o At 9:37AM (JST) on March 14, a radiation level of 3130 micro sievert was recorded at the Fukushima Daiichi Nuclear Power Station. o At 10:35AM on March 14, a … Continue reading

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