"A U.S. science advisory report says Japan's Fukushima nuclear accident offers a key lesson to the nation's nuclear industry: Focus more on the highly unlikely but worst case scenarios.

That means thinking about earthquakes, floods, tsunamis, solar storms, multiple failures and situations that seem freakishly unusual, according to Thursday's National Academy of Sciences report. Those kinds of things triggered the world's three major nuclear accidents.

"We need to do a soul searching when it comes to the assumptions" of how to deal with worst case events, said University of Southern California engineering professor Najmedin Meshkati, the panel's technical adviser. Engineers should "think about something that could happen once every, perhaps 1,000 years" but that's not really part of their training or nature, he said."

The Associated Press had the story July 24, 2014. [2]

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"Report: Nuclear Industry's Safety Measures Are 'Inadequate'" (The Hill) [3]