Tepco admits not repairing Fukushima No. 1 seismometers that broke final 12 months

Since final 12 months, Tokyo Electrical Energy Firm Holdings Inc. (Tepco) left two damaged seismometers unrepaired on the No. 3 reactor inside its Fukushima No. 1 nuclear plant, officers mentioned Monday.

The devices on the plant in Fukushima Prefecture didn’t report the tremors attributable to a robust earthquake that rocked the Tohoku area on Feb. 13 as a result of they weren’t functioning. In some areas in Tohoku the quake measured higher 6, the second-highest degree on the Japanese seismic depth scale.

The issue was reported throughout a gathering of the Nuclear Regulation Authority on Monday.

In keeping with Tepco, seismometers for the No. 1 to No. 4 reactors on the plant broke down in the course of the March 2011 earthquake and tsunami that hit the area and triggered a triple meltdown on the energy plant.

The corporate at the moment measures the energy of earthquakes utilizing seismometers on the No. 5 and No. 6 reactors.
Japan Instances

福島第一原発3号機に設置されていた地震計2台が2つとも故障したまま放置されていたことが分かりました。最大震度6強を観測した13日の地震のデータも記録できなかったということです。
 福島第一原発ではメルトダウンや水素爆発で大きな損傷を受けた施設が地震の揺れにどの程度、耐えられるかなどのデータを取るため、3号機の建屋の1階と最上階に地震計が2台置かれています。
 東京電力はこの地震計が去年、2台とも故障したものの、その後、修理も交換もされていなかったことを明らかにしました。
 このため、最大震度6強を観測した今月13日の地震のデータは記録できなかったということです。
 この事実は22日、原子力規制委員会の検討会合への報告で初めて明らかになりましたが、会合の出席者からは「貴重なデータが得られなかった」「東電は信用できない」といった厳しい意見が相次ぎました。 – ANNnewsCH







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Feb 24

Since final 12 months, Tokyo Electrical Energy Firm Holdings Inc. (Tepco) left two damaged seismometers unrepaired on the No. 3 reactor inside its Fukushima No. 1 nuclear plant, officers mentioned Monday.
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