JAPAN-QUAKE/Kevin Krolicki has another alarming special report from Japan today challenging the assertion that the disaster facing Fukushima Daiichi nuclear plant was beyond expections.

The report quotes Tokyo Electric's own researchers who did a study in 2007 on the risk of tsunamis: 

The research paper concluded that there was a roughly 10 percent chance that a tsunami could test or overrun the defenses of the Fukushima Daiichi nuclear power plant within a 50-year span based on the most conservative assumptions.

But Tokyo Electric did nothing to change its safety planning based on that study, which was presented at a nuclear engineering conference in Miami in July 2007.

Read the full special report in PDF format here.