The International Nuclear and Radiological Event Scale (INES) is a tool for communicating the safety significance of nuclear and radiological events to the public. Member States use INES on a ...

While the FBI was conducting large-scale, nuclear-response training in January 2025 alongside multiple other U.S. government ...

The incident, which occurred on March 28 of that year, rated five on the International Nuclear Event Scale from 0 to 7. The accident led to 'very small' releases of radioactivity, according to the ...

and one of the worst in the world – ranked level 5 out of 7 on the International Nuclear Event Scale – the British changed the name to Sellafield, which continues to spew out nuclear waste.

which was rated a seven on the International Nuclear Event Scale. Seven is the highest rating. The reactor pools have since been cooled, but the nuclear contamination still needs to be cleaned up ...

Reporting nuclear incidents: The International Nuclear Event Scale (INES) was developed by the IAEA and OECD in 1990 to communicate and standardize the reporting of nuclear incidents or ...

Finally, the airflow to the reactor was closed off and the fire died out. The disaster would later be rated Level Five on the seven-point International Nuclear Event Scale – the same level as the ...

The meltdown resulted in the release of about 2.5 million curies of radioactive gases, and about 15 curies if iodine-131. The cleanup took 14 years and $1 billion, and was rated a five on a ...

“By participating, Member States and international organizations demonstrate ... President of Romania’s National Commission for Nuclear Activities Control. “Through increased complexity and scale, ...

April 12, 2011: Japan raises the accident to category 7, the highest level on the International Nuclear and Radiological Event Scale, from an earlier 5, based on radiation released into the ...