Asia: Japan

Legenda & explanation
date INES title location
30-09-1999INES 4Workers exposed to radiation at conversion test building of JCO Co., Ltd., Tokai WorksJCO COMPANY, TOKAI
29-05-2021INES 3Worker exposure to X-ray generatorSetouchi Works of Nippon Steel Corp., Hyogo Pref.
23-10-2008INES 2Unsuitable management of Bakelite plates containing radioactive materialsBunkyo-city, Tokyo
18-10-1992INES 0UNSCHEDULED SHUTDOWN DUE TO STEAM LEAKAGE FROM AN OUTLET PIPE OF A HIGH PRESSURE TURBINEFUGEN ATR
11-03-2011INES 5The core damage by loss of all cooling function due to the big tsunami.FUKUSHIMA-DAIICHI-3
11-03-2011INES 5The core damage by loss of all cooling function due to the big tsunami.FUKUSHIMA-DAIICHI-2
09-02-1991INES 2STEAM GENERATOR TUBE BREAKMIHAMA-2
08-12-1995INES 1Secondary sodium leakage in the prototype fast breeder reactor MonjuMONJU
04-12-1990INES 0REACTOR AUTOMATIC SHUTDOWN DUE TO MISOPERATION BY AN OPERATORSHIMANE-2
09-09-1990INES 0REACTOR AUTOMATIC SHUTDOWN DUE TO INCORRECT FUNCTIONING OF A MAIN STEAM ISOLATION VALVEFUKUSHIMA-DAIICHI-3
11-12-1994INES 1REACTOR AUTOMATIC SHUTDOWN BY SIGNAL OF NUCLEAR INSTRUMENTATION SYSTEMSYSTEMONAGAWA-1
12-04-2011INES 7Re-evaluation of INES rating; Effect to the Nuclear Facilities from the earthquake on east area of JapanFukushima Daiichi
11-09-2008INES 2Radiation Overexposure of a WorkerS.H.I.Examination & Inspection Ltd / Ehime prefecture
27-12-1993INES 2RADIATION EXPOSURE OF WORKERS AT TOKAI REPROCESSING PLANTTOKAI REPROCESSING PLANT
22-02-2015Not ApplicablePossible Flow of Contaminated Water to the Outside of the Controlled AreaFUKUSHIMA-DAIICHI
12-07-1999INES 1Manual shutdown of Tsuruga Power Station Unit 2TSURUGA-2
11-03-2011INES 3Loss of the cooling function to the ultimate heat sink due to the big tsunamiFUKUSHIMA-DAINI-4
11-03-2011INES 3Loss of the cooling function to the ultimate heat sink due to the big tsunamiFUKUSHIMA-DAINI-2
11-03-2011INES 3Loss of the cooling function to the ultimate heat sink due to the big tsunamiFUKUSHIMA-DAINI-1
07-04-2008INES 1Loss of Industrial Gamma Radiography Exposure Device containing Ir-192 radiography sourceNon-Destructive Inspection Co., Ltd / Chiba
11-03-2011INES 3Loss of cooling function and water supplying function on the spent fuel pool due to the big tsunami.FUKUSHIMA-DAIICHI-4
02-10-2013Not ApplicableLeakege of Contaminated Water from the Top Plate of a Tank at B Area (South)FUKUSHIMA-DAIICHI
20-02-2014Not ApplicableLeakega of Contaminated Water from the Upper Part of Tank C-1 in H-6 Tank AreaFUKUSHIMA-DAIICHI
15-09-2015Not ApplicableLeakages of water from the dikes in tank areas storing contaminated waterFUKUSHIMA-DAIICHI
17-12-2014Not ApplicableLeakage of Water Treated by the Multi-Nuclide Removal Facility (ALPS)FUKUSHIMA-DAIICHI
02-06-2014Not ApplicableLeakage of Contaminated Water from Two Notch TanksFUKUSHIMA-DAIICHI
20-02-2014Not ApplicableLeakage of Contaminated Water from the Upper Part of Tank C-1 in H-6 Tank AreaFUKUSHIMA-DAIICHI
02-10-2013Not ApplicableLeakage of Contaminated Water from the Top Plate of a Tank at B Area (South)FUKUSHIMA-DAIICHI
06-02-2014Not ApplicableLeakage of Contaminated Water from a Flange of Water Pressure Measuring instrumentFUKUSHIMA-DAIICHI
09-10-2013Not ApplicableLeakage of Contaminated Water from a Desalination SystemFUKUSHIMA-DAIICHI