TEPCO reported possibility of huge tsunami to gov’t on March 7th after making estimation in 2008

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TOKYO (Kyodo)–Tokyo Electric Power Co. presented the Nuclear and Industrial Safety Agency a few days before the March 11 catastrophe with a calculation that its Fukushima Daiichi nuclear power plant could be hit by a tsunami higher than 15 meters in height, agency officials said Wednesday.

 According to TEPCO, estimated the probability of the Earthquake off the coast of the Boso Peninsula from off Sanriku in July 2002, Headquarters for Earthquake Research Promotion of the Ministry of Education, TEPCO, earthquakes Sanriku Meiji in 2008 ( 1896), earthquake scale, assuming that occurred off the coast of Fukushima Prefecture, estimated the height of the tsunami to reach the first and second nuclear power plant in Fukushima both calculations.[/quote]

 A spokesperson for the government’s Nuclear and Industrial Safety Agency told reporters on Wednesday that the Tokyo Electric Power Company, or TEPCO, reported the prediction to the agency on March 7th.

TEPCO says it made the estimation in 2008 when calculating the maximum tsunami height in the event of a very powerful earthquake near the plant.  The maximum possible wave height originally assumed by TEPCO when it designed the plant was 5.7 meters.

The agency says it ordered the company to submit a detailed report as quickly as it could and suggested the need to reform the facilities when the company provided the prediction.

The agency’s official in charge of nuclear disasters, Yoshinori Moriyama, says it takes seriously its failure to fully predict the possibility of a major tsunami before the disaster.

TEPCO says it didn’t mean to disclose the assessment since it was a tentative calculation for research purposes based on a simulation.

Source: english.kyodonews.jp, via Nuclear Crisis – News – Kyodo News
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