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Top > Releases ・ Announcements > Fukushima Daiichi NPS Prompt Report > 2013 > Earthquake Occurred on April 14, 2013 (Fukushima Daiichi and Daini Nuclear Power Stations) (Follow-up report)

Fukushima Daiichi NPS Prompt Report 2013

Fukushima Daiichi NPS Prompt Report (Apr 15, 2013)Earthquake Occurred on April 14, 2013 (Fukushima Daiichi and Daini Nuclear Power Stations) (Follow-up report)

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 (M5.2) at around 10:25 PM on April 14.

At Fukushima Daiichi Nuclear Power Station, the site patrol at Units 1-6 has been completed at 9:21 AM today (April 15). No abnormality was found as a result.

At Fukushima Daini Nuclear Power Station, the site patrol at all units has been completed at 12:31 AM today (April 15). No abnormality was found as a result.

[The information below was previously announced on April 14, 2013]
At around 10:25 PM today (April 14), there was an earthquake (M5.2) in the offshore of Fukushima Prefecture. (Naraha Town: seismic intensity 4, Tomioka Town: seismic intensity 4, Namie Town: seismic intensity 4, Okuma Town: seismic intensity 3)

As for Fukushima Daiichi Nuclear Power Station, no abnormality was found with the facilities/equipment at Units 1-6 and no significant fluctuation was found with the monitoring post readings. No injury has been reported.
- Main parameters of Units 1-6: No abnormality found
- Reactor water injection system (at Units 1-3): No abnormality found
- Shutdown cooling system (at Units 5-6): No abnormality found
- Spent fuel pool cooling system (at Units 1-6): No abnormality found
- Common pool cooling purification system: No abnormality found
- Nitrogen injection system (at Units 1-3): No abnormality found
- PCV gas control system (at Units 1-3): No abnormality found
- Water treatment facilities (including the multi-nuclide removal equipment): No abnormality found
- Accumulated water transfer facilities: No abnormality found
- Power facilities: No abnormality found

No abnormality has been found at Fukushima Daini Nuclear Power Station.

The maximum seismometer readings observed at Fukushima Daiichi and Daini Nuclear Power Stations are as follows.
- Fukushima Daiichi Nuclear Power Station
Horizontal: 26.5 gal (at Unit 6)
- Fukushima Daini Nuclear Power Station
Horizontal: 30.3 gal (at Unit 1)


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