INES Levels
INES N/A
INES 0
INES 1
INES 2
INES 3
INES 4
INES 5
INES 6
INES 7

INES 0: Deviation

No safety significance

(Arrangements for reporting minor events to the public differ from country to country. Also, it is difficult to ensure precise consistency in rating events between INES Level-1 and Below scale/Level-0)

▸ Legenda & explanation
date title location 
1990-09-09REACTOR AUTOMATIC SHUTDOWN DUE TO INCORRECT FUNCTIONING OF A MAIN STEAM ISOLATION VALVEJapanFUKUSHIMA-DAIICHI-3
1990-12-04REACTOR AUTOMATIC SHUTDOWN DUE TO MISOPERATION BY AN OPERATORJapanSHIMANE-2
1996-02-13REACTOR COOLANT SPILLAGE DURING OVERHAULSouth KoreaYONGGWANG-3
1994-05-25REACTOR SCRAM BY ATWT SIGNAL DURING PERIODIC TESTChinaGUANGDONG-1
1991-01-21REACTOR SCRAM DUE TO A FIRE OF SECOND CATEGORY OF RELIABILITY BUSESCzech RepublicDUKOVANY-1
1995-04-27REACTOR SCRAM DUE TO A REACTOR PROTECTION SPURIOUS SIGNALSlovakiaBOHUNICE-2
1995-06-20REACTOR SCRAM DURING INSPECTION OF GROUND CONNECTIONSlovakiaBOHUNICE-4
1992-10-16REACTOR SCRAM ON PRM HIGH FLUXIndiaTARAPUR-1
1990-11-19REACTOR SCRAM ON PRM HIGH FLUX SUBSEQUENT TO SPURIOUS ACTUATION OF REACTOR RELIEF VALVES A & B (SRUOR-1-90-8)IndiaTARAPUR-1
1990-11-24REACTOR SCRAM ON TOTAL LOSS OF OFF-SITE AC POWER (CLASS IV). SRUOR-1-90-9.IndiaTARAPUR-1
1991-03-16REACTOR SCRAM ON TOTAL LOSS OF OFF-SITE POWERIndiaTARAPUR-1
1993-03-18REACTOR SHUTDOWN BY THE ACTUATION EMERGENCY PROTECTION CAUSED BY THE LEVEL RAISE IN DRUM SEPARATORUkraineCHERNOBYL-3
1996-02-09REACTOR SHUTDOWN BY THE FAST-ACTING SCRAM SYSTEM DUE TO SPURIOUS SIGNALS OF INCREASED PRESSURE IN THE ISOLATION CONTROL VALVES ROOMLithuaniaIGNALINA-1
1994-08-21REACTOR SHUTDOWN CAUSED BY LEAKAGE THROUGH A JOINT WELD IN THE ECCS PIPEWORKLithuaniaIGNALINA-1
1994-01-18REACTOR SHUTDOWN CAUSED BY THE LEAKAGE DETECTED IN ONE OF THE REACTOR BUILDING ROOMSLithuaniaIGNALINA-1
1991-02-13REACTOR SHUTDOWN DUE TO EXCESS HYDROGEN CONCENTRATION IN THE GENERATOR STATOR GAS TRAPUkraineZAPOROZHE-4
1993-08-09REACTOR SHUTDOWN DUE TO LIGHTNINGSouth KoreaYONGGWANG-2
1998-08-31Reactor trip breaker train B undervoltage card damageSloveniaKRSKO
1996-08-14Reactor trip caused by blown fusesSloveniaKRSKO
1995-03-08REACTOR TRIP DUE TO ACTUATION OF GROUND FAULT RELAYSouth KoreaYONGGWANG-2
1995-11-27REACTOR TRIP DUE TO ACTUATION OF MAIN GENERATOR PROTECTION RELAYSouth KoreaKORI-2
1996-03-30Reactor trip due to actuation of sensitive relay influenced by starting currentSouth KoreaKORI 1
1996-02-02Reactor trip due to degradation of photoresistic cell in the main feedwater control systemSouth KoreaULCHIN-1
2011-01-15Reactor trip due to failure in the Main GeneratorMexicoLAGUNA VERDE-1
1994-05-23REACTOR TRIP DUE TO FAILURE OF MAIN FEEDWATER CONTROL VALVE (MFCV)South KoreaULCHIN-2
1993-10-18REACTOR TRIP DUE TO FAST CLOSURE OF MAIN FEED ISOLATION VALVES (MFIV)South KoreaKORI-3
1993-12-10REACTOR TRIP DUE TO FAST CLOSURE OF MAIN FEEDWATER ISOLATION VALVE (MFIV) CAUSED BY MALFUNCTION OF LOGIC CIRCUITSouth KoreaKORI-4
1993-11-03REACTOR TRIP DUE TO FAST CLOSURE OF MAIN STEAM ISOLATION VALVE (MSIV)South KoreaKORI-3
1994-01-11REACTOR TRIP DUE TO FAST CLOSURE OF MAIN STEAM ISOLATION VALVE (MSIV)South KoreaKORI-4
1995-04-27REACTOR TRIP DUE TO FEEDWATER CONTROL VALVE CLOSURESouth KoreaYONGGWANG-3