2:58 AM (6 hours ago)
The Top Short-Term Threat to Humanity: The Fuel Pools of Fukushima
The Greatest Single Threat to Humanity: Fuel Pool Number 4
We noted days after the Japanese earthquake that the biggest threat
was from the spent fuel rods in the fuel pool at Fukushima unit number
4, and not from the reactors themselves. See this and this.We noted in February:
Scientists say that there is a 70% chance of a magnitude 7.0 earthquake hitting Fukushima this year, and a 98% chance within the next 3 years.
Given that nuclear expert Arnie Gundersen says that an earthquake of 7.0 or larger could cause the entire fuel pool structure collapse, it is urgent that everything humanly possible is done to stabilize the structure housing the fuel pools at reactor number 4.
Tepco is doing some construction at the building … it is a race against time under very difficult circumstances, and hopefully Tepco will win.
As AP points out:
The structural integrity of the damaged Unit 4 reactor building has long been a major concern among experts because a collapse of its spent fuel cooling pool could cause a disaster worse than the three reactor meltdowns.
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