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Fukushima: 15 Years After the Disaster - What We've Learned and Where We're Going

Published March 18, 2026, 17:18
Fukushima: 15 Years After the Disaster - What We've Learned and Where We're Going

Fifteen years ago, Japan experienced one of the worst disasters in the history of nuclear energy, with the 2011 tsunami causing the meltdown of the cores at the Fukushima Daiichi plant. The disaster led to the evacuation of areas, the contamination of land, and the temporary shutdown of all of Japan's nuclear power plants. The investigation into the causes of the disaster concluded that, although the earthquake was the immediate cause, the disaster could have been avoided if adequate safety measures had been taken, considering the possibility of a tsunami. The Japanese regulatory authority is blamed for failing to impose strict safety requirements and failing to require TEPCO to make necessary renovations. Fukushima is one of the most serious nuclear accidents, along with Kyshtym, Windscale, Three Mile Island, and Chernobyl. A common factor in these accidents is the combined effect of natural disasters, human error, technological failure, and structural shortcomings in supervision. In the case of Fukushima, the traditional culture of non-confrontation in Japan is considered to have contributed to the inadequate measures taken. Today, 15 years after the disaster, Japan has returned only 15 of the 54 nuclear power plants that had been shut down to operation. Fukushima remains an important lesson for the safety of nuclear facilities and the need for strict regulations and independent oversight.