| date | INES | title | location  |
|---|
| 27-12-1998 | INES 2 | Loss of off-site power supplies at Hunterston B Power Station | HUNTERSTON-B1 UNIT A, United Kingdom |
| 19-05-2021 | INES 2 | Exposure of a worker over annual statutory dose limit | Hungary, Hungary |
| 27-09-2006 | INES 2 | Radiography Overexposure | Humble, United States of America |
| 09-03-2023 | INES 2 | Stolen Category 2 Source | Houston, TX / Statewide Maintenance Company, United States of America |
| 28-04-2017 | INES 2 | Overexposure to Radiographer | Houston, Texas / Versa Integrity, United States of America |
| 10-04-2002 | INES 2 | Overexposure in Excess of Regulatory Limits | Houston, Texas, United States of America |
| 22-10-2011 | INES 2 | Overexposure to Members of the Public | Houston, Texas, United States of America |
| 20-12-2004 | INES 2 | Radiographer Overexposure | Houston, United States of America |
| 02-05-2005 | INES 1 | Potential Radiographer Overexposure | Houston, United States of America |
| 01-12-2004 | INES 2 | Internal Exposure | Houston, United States of America |
| 28-01-2012 | INES 2 | Overexposure to Radiographer | Houma, Louisiana/Global X-ray & Testing, United States of America |
| 08-12-2021 | INES 2 | Equivalent dose for extremities (hand) exceeding statuary annual limits | Hospital, North Rhine-Westphalia, Germany, Germany |
| 31-01-2020 | INES 2 | Radiation exposure of a hospital employee beyond the statuary annual dose limit | Hospital, Bavaria, Germany, Germany |
| 20-10-2017 | INES 2 | Overexposure of a radiologists (hands exposure) | Hospital Delafontaine - Saint Denis (Paris region), France |
| 06-05-2013 | INES 2 | Exceeding of the maximum regulatory annual effective dose by a practitioner in interventional radiology | Hospital "Institut Mutualiste Montsouris" (Paris), France |
| 10-03-2005 | INES 2 | Overexposure of a worker at the Frederic Joliot hospital section in Orsay (91) | Hospital, France |
| 15-06-2007 | INES 2 | Irradiation incident of a radiation therapist | Hospital, France |
| 21-07-2008 | INES 3 | Potential Overexposure During Co-60 Source Exchange | Hospital, Brazil |
| 15-07-2014 | INES 3 | Overexposure of a service technician repairing a biplane X-ray system | Hospital, Switzerland |
| 13-07-2016 | INES 2 | Excessive Deposits of Material Containing Uranium In Scrubber | Hopkins, SC, USA/Westinghouse Fuel Fabrication Fac, United States of America |
| 09-05-1991 | INES 2 | ISOLATION OF FUEL OIL TO ESSENTIAL GAS TURBINES | HINKLEY POINT-B UNIT A, United Kingdom |
| 19-02-2013 | INES 2 | Deficiency in the safety evaluation of the primary reactor drain line | High Flux Reactor Petten, Netherlands |
| 26-09-2013 | INES 2 | Common cause mechanical deficiency in control rods | High Flux Reactor / Petten, Netherlands |
| 09-11-2006 | INES 2 | Overexposure to 15 members of the public | Hi-Desert PET & Nuclear Medicine Imaging Center / Victorville, United States of America |
| 11-03-2002 | INES 2 | Consequential failure of Fuelling Machine Interlock at Buffer Storage Tube | HEYSHAM-1 UNIT A, United Kingdom |
| 22-07-2021 | INES 2 | Automatic trip of both reactors following loss of off-site electric supplies | Heysham 1 Power Station, United Kingdom |
| 22-07-2021 | INES 2 | Automatic trip of both reactors following loss of off-site electric supplies | Heysham 1 Power Station, United Kingdom |
| 14-02-2023 | INES 0 | Stolen Moisture and Density Testing Gauge | Hermosillo, Sonora., Mexico |
| 12-12-2019 | INES 1 | Discovered Ra-226 source in transport container containing scrap metal. | Hermod Teigen AS, Egersund, Norway, Norway |
| 28-12-2000 | INES 1 | Radioactive source found in scrap recycling facility in Greece | HELLENIC STEEL PRODUCTION CO., Greece |
