What were the steam explosions at Fukushima rated on the International Nuclear and Radiological Event Scale?

Name: What were the steam explosions at Fukushima rated on the International Nuclear and Radiological Event Scale?
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The steam explosions at Fukushima were rated as a Level 7 accident on the International Nuclear and Radiological Event Scale, which is the highest level, indicating a major release of radioactive material with widespread health and environmental effects.

What Were the Steam Explosions at Fukushima Rated on the International