| date | INES | title | location  |
|---|
| 24-07-2007 | INES 2 | Displacement of fuel plates from their normal position in fuel assemblies during normal operation of research reactor | OPAL Research Reactor, Australia |
| 23-06-2010 | [n/a] | Information on earthquake which occurred in Eastern Canada. | Ontario, Canada |
| 11-03-2011 | INES 2 | Failure of the reactor component cooling water system and others by tsunami | ONAGAWA-2, Japan |
| 11-12-1994 | INES 1 | REACTOR AUTOMATIC SHUTDOWN BY SIGNAL OF NUCLEAR INSTRUMENTATION SYSTEMSYSTEM | ONAGAWA-1, Japan |
| 12-04-1991 | INES 2 | FIRE IN SWITCHGEAR BUILDING | OLKILUOTO-2, Finland |
| 10-12-2020 | INES 0 | Nuclear Installation Event at OLKILUOTO-2 | OLKILUOTO-2, Finland |
| 30-05-2008 | INES 1 | Fast stop of the main circulation pumps and simultaneous loss of their fly wheel systems during reactor scram. | OLKILUOTO-1, Finland |
| 28-02-2007 | INES 2 | Potential Overexposures to Members of the Public | Oklahoma City, United States of America |
| 20-04-2010 | INES 2 | Member of the Public Overexposure | Ohio State University, Columbus Ohio, United States of America |
| 29-05-2005 | INES 1 | Lost Radiographic Exposure Device | Offshore Lousiana, United States of America |
| 26-09-2023 | INES 2 | Worker Exceeded Annual Whole Body Dose Limit | Odessa, TX / Pro Inspection Inc., United States of America |
| 17-07-2014 | INES 2 | Overexposure to workers to radiografic source | Oceaneering Asset Integrity, Norway |
| 20-07-2021 | INES 2 | Overexposure of two workers | OCA ICP, Madrid, Spain |
| 06-06-2017 | INES 2 | Exposure of Workers at Plutonium Fuel Research Facility | Oarai Research and Development Center, Japan |
| 10-07-2001 | INES 2 | Contamination of workers during dismantling of alpha dry glove boxes | NUCLEAR RESEARCH INST., REZ, Czech Republic |
| 20-05-1997 | [N/A] | Small fire in the research reactor LR-O building in Rez | NUCLEAR RESEARCH INST., Czech Republic |
| 17-11-2002 | [N/A] | Chemical Explosion at fuel fabrication facility | Nuclear Fuel Complex, Hyderabad, India |
| 02-05-2013 | INES 2 | Overexposure of 4 persons exceeding the statutory annual whole body dose limit for workers (20 mSv) | Nuclear Engineering Seiberdorf, Univ. Innsbruck, Austria |
| 25-07-2017 | INES 2 | Exposure of airplane passengers due to inadequate use of type B transport package | NTP Europe, Belgium |
| 11-01-1991 | INES 1 | UNIT SHUTDOWN DUE TO SG-4 PULSE LINE RUPTURE | NOVOVORONEZH-5, Russian Federation |
| 25-10-1991 | INES 2 | BORATED WATER STORAGE TANK LEVEL REDUCTION TO 180 M3 | NOVOVORONEZH-4, Russian Federation |
| 03-03-2006 | INES 2 | Radiographer Overexposure | North Kingston, United States of America |
| 24-04-1993 | INES 0 | EXCESSIVE FEEDWATER REGULATING VALVE OSCILLATIONS CAUSE WATER HAMMER INDUCED VIBRATION OF THE MAIN FEEDWATER PIPING | NORTH ANNA-2, United States of America |
| 23-08-2011 | INES 0 | Follow-up to Alert Emergency Action Level Declaration due to Loss of Offsite Power Resulting from a Seismic Event | NORTH ANNA POWER STATION UNITS 1 and 2, United States of America |
| 23-11-2021 | INES 2 | Exposure of workers in excess of statutory annual dose limits | Norrköping, Sweden |
| 29-11-2004 | INES 1 | Radioactive orphan source of Eu-152,154 | non-nuclear, Croatia |
| 07-04-2008 | INES 1 | Loss of Industrial Gamma Radiography Exposure Device containing Ir-192 radiography source | Non-Destructive Inspection Co., Ltd / Chiba, Japan |
| 27-09-2004 | INES 2 | RADIOACTIVE ORPHANED SOURCES OF CS-137 | non nuclear, Argentina |
| 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 |
