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Top > Releases ・ Announcements > Fukushima Daiichi NPS Prompt Report > 2013 > Earthquake Occurred on May 18, 2013 (Fukushima Daiichi and Daini Nuclear Power Stations) (Follow-up Information)

Fukushima Daiichi NPS Prompt Report 2013

Fukushima Daiichi NPS Prompt Report (May 18, 2013)Earthquake Occurred on May 18, 2013 (Fukushima Daiichi and Daini Nuclear Power Stations) (Follow-up Information)

This is a follow-up report on the statuses of Fukushima Daiichi and Daini Nuclear Power Stations after the earthquake occurred in the offshore of Fukushima Prefecture (M5.9) at around 2:48 PM on May 18.

At around 4:10 PM in Fukushima Daiichi Nuclear Power Station, a TEPCO employee found water dropping from an overflow pipe of Units 5-6 RO treated water tank (D7 tank) where the leakage was found yesterday on the site patrol after the earthquake.

As for the water overflowed from this tank, the leakage has stopped after closing the valve on the same day.

With regard to the treated water from this tank, the results of the nuclide analysis performed yesterday were found below the detection limits.

No other abnormality was found.

At Fukushima Daini Nuclear Power Station, the site patrol at all units has been completed at 4:27 PM today (May 18). No abnormality was found as a result.


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