| date | INES | title | location  |
| 03-08-2004 | INES 0 | Potential Radiation Overexposure to a Radiographer | Mills, United States of America |
| 09-02-1991 | INES 2 | STEAM GENERATOR TUBE BREAK | MIHAMA-2, Japan |
| 17-11-1992 | INES 2 | OVEREXPOSURE OF WORKER DUE TO THE MALFUNCTION OF THE INTERLOCK SYSTEM | MICROTRON, Viet Nam |
| 06-07-2018 | INES 1 | Stolen industrial radiography device in Mexico City | Mexico City, Mexico |
| 14-09-2007 | INES 2 | Potential Radiographer Overexposures | Metco, United States of America |
| 29-09-2008 | INES 2 | Radiographer Overexposure to Extremity | Metco, United States of America |
| 07-10-2008 | INES 2 | Cobalt-60 contaminated elevator buttons sold abroad by a French company | Metallic products manufacturer, France |
| 15-05-1997 | INES 2 | Discovery of a Cs-137 radiation source on a scrap yard | METAL FOUNDRY, HETTSTEDT, Germany |
| 23-03-1999 | INES 2 | Theft of a vehicle containing a GAM80 gamma radiography unit (with 80 Ci source) | Mesnil Amelot, France |
| 06-03-2025 | INES 1 | Lost Radiography Device | Mentone, Texas / National Inspection Services, LLC, United States of America |
| 26-07-2004 | INES 2 | Worker injured and contaminated at the French MOX processing plant MELOX | MELOX Fuel process plant, France |
| 03-03-2009 | INES 2 | Non-respect of a safety-criticality requirement at AREVA NC Melox facility (Marcoule) | MELOX Fuel process plant, France |
| 11-02-2020 | INES 2 | Internal contamination of a worker in a fuel pellets fabrication workshop | Melox - Orano Cycle - Marcoule, France |
| 29-12-2003 | INES 2 | Unshielded radioactive source found in metal scrap | Meghri, Armenia |
| 27-12-2008 | INES 0 | Very low activity source found in scrap metal | Meghri, Armenia |
| 26-06-2000 | INES 4 | Lost source causing a radiological accident at Meet Halfa, Egypt | MEET HALFA, Egypt |
| 04-01-1994 | INES 2 | POWER EXCURSION AT MCMASTER NUCLEAR RESEARCH REACTOR DURING FUEL LOADING | MCMASTER RESEARCH REACTOR, Canada |
| 31-08-1994 | INES 1 | DAMAGE TO A SPENT FUEL ASSEMBLY DURING PREPARATORY OPERATIONS FOR REPROCESSING | MAYAK, RT-1, Russian Federation |
| 13-01-2011 | INES 2 | OVEREXPOSURE TO RADIATION WORKER | Massachusetts General Hospital, Boston MA, United States of America |
| 09-04-2014 | INES 2 | Overexposure to Radiographer | Marietta, Ohio / Acuren Inspection, Inc., United States of America |
| 13-12-2024 | INES 1 | Package containing four radioactive sources lost. | Madrid Airport (Adolfo Suarez-Barajas Airport), Spain |
| 24-09-2023 | INES 2 | Worker Exceeded Statuary Annual Whole Body Dose Limits | Machine Factory, Baden-Württemberg, Germany |
| 04-07-2017 | INES 2 | Uranium accumulation in a glove box air purification system | Lynchburg, Virginia / BWX Technologies, INC., United States of America |
| 09-03-2023 | INES 3 | Worker Exceeded Statuary Annual Whole Body Dose Limits | Lower Saxony / Company for Material Testing, Germany |
| 25-02-1993 | INES 2 | FEEDWATER PIPE RUPTURE | LOVIISA-2, Finland |
| 28-05-1990 | INES 1 | FEEDWATER TUBE RUPTURE DUE TO EROSION CORROSION | LOVIISA-1, Finland |
| 01-01-1990 | INES 1 | FUEL BUNDLE LATTICE SPACING FAILURES | LOVIISA-1, Finland |
| 17-08-2000 | INES 1 | Water leakages at Loviisa-1 NPP unit from the fuel loading pool on 17 and 18 August 2000 during the annual maintenance outage | LOVIISA-1, Finland |
| 11-03-2021 | INES 2 | Overexposure to Worker | Livingston, Louisiana / EPIC Piping, LLC, United States of America |
| 09-10-1997 | INES 0 | Fire in emergency diesel generator exhaust | LIMERICK-2, United States of America |