INES directory

On this page you can browse the directory of reported nuclear and radiation incidents reported to the IAEA.

It is also possible to check a map with all the incidents.

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Event date Location Incident INES level
1991-08-14 OSKARSHAMN-2 DEVIATION FROM OPERATING INSTRUCTIONS 1
1991-08-14 STADE INTERNAL LEAKAGE OF PRESSURIZER SAFETY VALVES
1991-08-10 CHERNOBYL-2 PRIMARY WATER SPILLAGE WHILE REPAIR OF THE GATE VALVE AT RCP SUCTION DURING SCHEDULED MAINTENANCE 2
1991-08-06 KOZLODUY-1 NEW RADIOACTIVE "HOT SPOTS" DISCOVERED AT KOZLODUY NPP 1
1991-08-01 PALUEL-2 DEFECT IN THE COATING OF THE SUMPS (1300 PLANTS) 2
1991-07-26 KALPAKKAM-1 DEUTERIUM INCREASE IN MODERATOR COVER GAS SYSTEM
1991-07-22 KOZLODUY-1 CONTAMINATION OF SOIL ON SITE 1
1991-07-22 SMOLENSK-2 BREACH OF UNIT LIMITING CONDITIONS FOR OPERATION WHILE PREPARING FOR RESTART AFTER MAINTENANCE DUE TO ECCS AND MSV UNAVAILABILITY 3
1991-07-18 KOZLODUY-1 EARTHQUAKE IN CENTRAL EUROPE 1
1991-07-18 PAKS-1 REACTOR SCRAM AND COOLDOWN BECAUSE OF LEAKAGE IN A PRIMARY CIRCUIT MEASURING SYSTEM 1
1991-07-16 TARAPUR-1 UNIT NO. 1 REACTOR SCRAM ON PRM HIGH FLUX
1991-07-15 KOZLODUY-1 FIRE IN LOW LEVEL RADIOACTIVE WASTE STORAGE 1
1991-07-10 BELLEVILLE-2 INADVERTENT DILUTION OF THE PRIMARY FLUID DURING A COLD SHUTDOWN 2
1991-07-10 TARAPUR-1 UNIT NO. 1 REACTOR SCRAM ON PRM HIGH FLUX
1991-07-10 BILIBINO GEN RADIOACTIVE WATER SPILLAGE ON THE PLANT TERRITORY WHILE TRANSPORTING CASK WITH FUEL FRAGMENTS TO THE DRY RADWASTE REPOSITORY 3
1991-07-09 RAJASTHAN-2 HIGH ACTIVITY IN TB PIT 1
1991-07-05 ANGRA-1 FIRE IN GAS STORAGE [N/A]
1991-07-01 CHERNOBYL-2 NEW FUEL ASSEMBLY DROPPING WHILE REFUELING 2
1991-06-22 BELLEVILLE-2 DEFECTIVE WELDS IN LOW PRESSURE SAFETY INJECTION SYSTEM 2
1991-06-15 BRADWELL UNIT A TEMPERATURE TRANSIENT DURING START-UP 2
1991-06-12 CATTENOM-4 PARTIAL INOPERABILITY OF THE REACTOR PROTECTION SYSTEM 2
1991-06-01 KALININ-2 UNIT SHUTDOWN DUE TO PERSONNEL ERRORS AND DAMAGE TO RCP 6 KV BREAKER 1
1991-05-31 POINT LEPREAU INCORRECT CALIBRATION OF SHUTDOWN SYSTEM AND TWO REGIONAL OVERPOWER DETECTORS 2
1991-05-28 RINGHALS-2 FUEL ASSEMBLY TILTED OVER DURING CORE LOADING 1
1991-05-24 BELLEVILLE-2 UNAVAILABILITY OF REACTOR LEVEL MEASUREMENT 2
1991-05-16 KOLA-3 FAILURE OF SAFETY SYSTEM TRAIN WHILE ROUTINE TESTING 2
1991-05-12 BOHUNICE-1 RELEASE OF ACTIVE LIQUID FROM STORAGE TANK 3
1991-05-11 KOZLODUY-5 UNPLANNED EXPOSURE OF PERSONNEL DURING REFUELLING 1
1991-05-09 HINKLEY POINT-B UNIT A ISOLATION OF FUEL OIL TO ESSENTIAL GAS TURBINES 2
1991-05-04 IGNALINA-2 PERSONNEL OVEREXPOSURE DURING PRECOMMISSIONING OPERATIONS INVOLVING HOT CELL 3
1991-05-03 KALPAKKAM-2 FAILURE OF FUEL OIL LINE IN RUNNING DG-2 1
1991-04-29 PIERRELATTE VIOLATION OF SAFETY REGULATIONS AT A WORKSHOP IN THE FUEL FABRICATION PLANT 2
1991-04-25 TARAPUR-2 FINGERS INJURY WHILE WORKING ON PRIMARY STEAM ISOLATION VALVE
1991-04-13 RAJASTHAN-1 HEAVY WATER LEAK FROM INSTRUMENT TUBING
1991-04-12 OLKILUOTO-2 FIRE IN SWITCHGEAR BUILDING 2
1991-04-10 CHERNOBYL-1 UNAVAILABILITY OF LOW POWER EMERGENCY PROTECTION (LPEP) DUE TO LOSS OF IONIZATION CHAMBER POWER SUPPLY 3
1991-04-08 RAJASTHAN-2 LEAK FROM FUELLING MACHINE
1991-04-07 TARAPUR-2 MISGRAPPLING OF FUEL BUNDLE MB-140 IN THE CORE OF UNIT NO. 2 1
1991-04-02 KALPAKKAM-1 NON-AVAILABILITY OF BOTH DGS DURING MODERATOR SHUT DOWN
1991-03-31 KOLA-2 WRONG POSITIONING OF THE FUEL ASSEMBLY WHILE PERFORMING FUEL ROD CLADDING INTEGRITY TEST 1
1991-03-28 LENINGRAD-3 UNIT SHUTDOWN DUE TO SHORT CIRCUIT IN THE AUXILIARY POWER TRANSFORMER AND LEAKING OIL FIRE
1991-03-27 SOUTH UKRAINE-1 UNIT SHUTDOWN DUE TO PRIMARY CIRCUIT LEAK IN THE LINE OF CONTROLLED LEAKS FROM THE MAIN ISOLATION VALVE SEAL
1991-03-19 ANGRA-1 LEAKAGE IN THE GASEOUS WASTE PROCESSING SYSTEM (GWPS) 1
1991-03-18 KALPAKKAM-2 UNIT OUTAGE ON CLASS-IV FAILURE
1991-03-16 TARAPUR-1 REACTOR SCRAM ON TOTAL LOSS OF OFF-SITE POWER
1991-03-07 KALPAKKAM-1 HEAVY WATER SPILL FROM MODERATOR SYSTEM 1
1991-03-04 GRAVELINES-6 INOPERABILITY OF VALVES OF SAFETY SYSTEMS 2
1991-02-26 KHMELNITSKI-1 INOPERABILITY OF VALVES AT THE DISCHARGE SIDE OF HPSI PUMPS IN THREE TRAINS DUE TO FAILURE TO CONNECT POWER CABLES 3
1991-02-22 TARAPUR-1 LOWERING OF REACTOR WATER LEVEL BELOW CORE SPRAY ACTUATION LEVEL
1991-02-21 KURSK-4 UNIT SHUTDOWN DUE TO COOLANT LEAK IN RCP AUXILIARY PIPELINE