date  | INES | title | location |
|---|
| 20-08-1974 | INES 2 | EXCESSIVE DEPRESSURIZATION OF THE PRIMARY CIRCUIT DUE TO A PRESSURIZER SAFETY VALVE THAT FAILED TO CLOSE | BEZNAU-1, Switzerland |
| 20-11-1987 | INES 2 | CRITICALITY SHUT DOWN MARGIN MEASUREMENT STARTED WITHOUT HYDRAULIC SCRAM SYSTEM BEING OPERABLE | OSKARSHAMN-3, Sweden |
| 30-06-1988 | INES 1 | DEGRADATION OF NATURAL CIRCULATION | PAKS-4, Hungary |
| 26-06-1989 | INES 0 | FAILURE OF THE MAIN FEEDWATER PUMP DUE TO ABSENCE OF REQUALIFICATION TEST AFTER MAINTENANCE | TSURUGA-2, Japan |
| 01-01-1990 | INES 1 | FUEL BUNDLE LATTICE SPACING FAILURES | LOVIISA-1, Finland |
| 05-01-1990 | INES 0 | AUTOMATIC PLANT SHUTDOWN DUE TO AN EARTHQUAKE | KRSKO, Slovenia |
| 23-01-1990 | INES 2 | REACTOR COOLANT LEAK DURING ON POWER REFUELLING DUE TO FUELLLING MACHINE DROP | BRUCE-4, Canada |
| 23-02-1990 | INES 2 | REACTOR COOLANT LEAK ON THE WATER CLEANING SYSTEM WHILE CONNECTED TO THE PRIMARY CIRCUIT | Greifswald, Germany |
| 24-04-1990 | INES 0 | STICKING OF SHIELD PLUG IN THE FUEL CHANNEL | KANUPP, Pakistan |
| 28-05-1990 | INES 1 | FEEDWATER TUBE RUPTURE DUE TO EROSION CORROSION | LOVIISA-1, Finland |
| 01-07-1990 | INES 2 | IMPACT ON SAFETY DUE TO VIOLATION OF OPERATIONAL LIMITS AND CONDITIONS (IMPURITY DUE TO AIR INGRESS) | CREYS-MALVILLE, France |
| 05-07-1990 | INES 2 | INOPERABILITY OF NEUTRON FLUX MEASUREMENT DURING COLD SHUTDOWN | GREIFSWALD-5, Germany |
| 07-07-1990 | INES 1 | REACTOR COOLANT LEAK ON REACTOR TEMPERATURE DETECTOR | VANDELLOS-2, Spain |
| 22-07-1990 | INES 1 | LOSS OF POWER SUPPY TO REACTOR COOLANT PUMPS DUE TO 6 KV CABLE FIRE | SMOLENSK-2, Russian Federation |
| 30-07-1990 | INES 0 | LEAKAGE IN THE UNDERGROUND TUBE OF THE INTERMEDIATE COOLING CIRCUIT | KRUEMMEL, Germany |
| 22-08-1990 | INES 2 | IMPACT ON SAFETY DUE TO INOPERABILITY OF A SAFETY SYSTEM DESIGNED FOR ACCIDENT MITIGATION (CONTAINMENT SAND FILTERS) | TRICASTIN-1, France |
| 04-09-1990 | INES 0 | FIRE IN CALANDRIA VAULT DRYER AREA | KALPAKKAM-1, India |
| 04-09-1990 | INES 1 | REACTOR START UP WITH DEGRADED REACTOR SHUT DOWN SYSTEMS | LEIBSTADT, Switzerland |
| 09-09-1990 | INES 0 | REACTOR AUTOMATIC SHUTDOWN DUE TO INCORRECT FUNCTIONING OF A MAIN STEAM ISOLATION VALVE | FUKUSHIMA-DAIICHI-3, Japan |
| 18-09-1990 | INES 2 | SPURIOUS ACTUATION OF 2 MAIN SAFETY VALVES OUT OF TWELVE | IGNALINA-1, Lithuania |
| 23-09-1990 | INES 0 | REACTOR TRIP ON PHT LOW PRESSURE | KALPAKKAM-1, India |
| 01-10-1990 | INES 2 | IMPACT ON SAFETY DUE TO PARTIAL INOPERABILITY OF THE LONG TERM COOLING SYSTEM (WATER SUMP FILTERS) | PALUEL-1, France |
| 01-10-1990 | INES 1 | FAULTY WELD DETECTED ON PRIMARY CIRCUIT | OSKARSHAMN-1, Sweden |
| 04-10-1990 | INES 2 | TG 2 TRIP DUE TO DEENERGIZATION OF 6 & 0.4 KV BUSES AND FAILURE OF TG STANDBY OIL PUMP TO START | IGNALINA-1, Lithuania |
| 16-10-1990 | INES 1 | DROPPING OF SPENT FUEL BUNDLES OF CHANNEL P-09 IN SOUTH SIDEFUEL TRANSFER CAVITY | RAJASTHAN-1, India |
| 23-10-1990 | INES 1 | MG-TRIPPING ON UNDER/OVER FREQUENCY PROTECTION | KALPAKKAM-1, India |
| 26-10-1990 | INES 0 | HIGH TRITIUM ACTIVITY IN SOLAR EVAPORATION FACILITY | RAJASTHAN-1, India |
| 08-11-1990 | INES 0 | LE ADJUSTER OPERATION | KALPAKKAM-2, India |
| 19-11-1990 | INES 0 | REACTOR SCRAM ON PRM HIGH FLUX SUBSEQUENT TO SPURIOUS ACTUATION OF REACTOR RELIEF VALVES A & B (SRUOR-1-90-8) | TARAPUR-1, India |
| 24-11-1990 | INES 0 | REACTOR SCRAM ON TOTAL LOSS OF OFF-SITE AC POWER (CLASS IV). SRUOR-1-90-9. | TARAPUR-1, India |
