| date | INES | title | location  |
|---|
| 07-12-2006 | INES 1 | Incidental Exposure during maintenance tasks | non nuclear, Argentina |
| 08-04-2025 | INES 2 | Workers Exceeded Annual Dose Limit | Noblesville, Indiana/ Curium US LLC, United States of America |
| 28-08-2009 | INES 2 | Contamination of a vehicle with Cs-137 | NO facility associated to this event, Armenia |
| 21-04-2022 | INES 1 | Rod type source of a level gauge became open | Nitronénművek Co Ltd., Hungary |
| 19-11-2012 | INES 2 | loss of a package containing medical radioactive fluorine, during a transport operation in Nimes | Nîmes University Hospital, France |
| 31-01-1996 | INES 1 | Reactor scram followed by the actuation of safety valve in the reactor primary circuit | NIIAR Inst., Dimitrovgrad, Russian Federation |
| 22-03-2013 | INES 2 | Overexposure to Member of the Public | New York, NY/ Children's Hospital at Montefiore, United States of America |
| 20-11-2024 | INES 0 | Fuel misplaced | National Institute for Nuclear Research, Mexico |
| 22-07-2025 | INES 3 | Localised irradiation of a worker's arm by the beam of a particle accelerator | National Centre for Research and Restoration C2RMF, France |
| 28-01-2015 | INES 2 | Overexposure of a worker | National Centre for Nuclear Research, Poland |
| 25-04-2003 | INES 1 | Heavy water leak from a defuelled coolant channel in a PHWR during Inspection, with reactor in shutdown state | NARORA-2, India |
| 27-02-1993 | INES 1 | WATER INGRESS IN ION CHAMBER HOUSING OF CHANNEL B & E OF REACTOR REGULATING AND PROTECTIVE SYSTEM | NARORA-2, India |
| 27-12-1995 | INES 0 | Reactor trip on low PHT pressure due to change in power while reverse fueling of channel | NARORA-2, India |
| 05-01-1996 | INES 0 | Reactor trip on adjuster rod cooling flow very low | NARORA-2, India |
| 11-09-1998 | INES 2 | Overexposure of two workers | NARORA-2, India |
| 15-04-2000 | INES 1 | Moderator water leak in moderator room | NARORA-2, India |
| 31-03-1993 | INES 3 | COMPLETE STATION BLACK OUT DUE TO FIRE IN TURBINE BUILDING | NARORA-1, India |
| 19-03-1996 | INES 0 | Unit trip on no primary circulating pump running | NARORA-1, India |
| 28-11-2000 | INES 0 | Forced shutdown of Narora Unit-1 due to unavailability of make up water | NARORA-1, India |
| 09-09-2019 | INES 0 | Lost of radioactive sealed source | Morelia. Michoacan, Mexico |
| 29-06-2003 | INES 2 | FAILURE OF FIXED GAUGING DEVICE RESULTING IN RADIATION EXPOSURE TO MEMBERS OF THE PUBLIC | Monsanto Chemical Plant, United States of America |
| 09-01-2004 | INES 2 | Overexposure to Radiation Worker | Monroe, United States of America |
| 08-12-1995 | INES 1 | Secondary sodium leakage in the prototype fast breeder reactor Monju | MONJU, Japan |
| 26-10-2013 | INES 2 | Deficiency in the determination of the uranium content of liquid waste tanks | Molybdenum Production Facility / Petten, Netherlands |
| 17-10-2013 | INES 2 | Deficiency in the determination of the uranium content of liquid waste tanks | Molybdenum Production Facility / Petten, Netherlands |
| 03-08-2020 | INES 2 | Overexposure to Worker | Mobile, Alabama / Applied Technical Services, Inc., United States of America |
| 24-08-2016 | INES 2 | Overexposure to Radiographer | Mistras Group/Deer Park Texas, United States of America |
| 26-07-1997 | INES 1 | Slightly increased radioactivity release outside the reactor while preparing for removal of leaky fuel assembly | MIR-M1, RU-0013, Russian Federation |
| 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 |
