福岛第一核电站、福岛第二核电站和女川核电站均位于日本东海岸,与太平洋相邻。遭受地震和海啸冲击后,福岛第一核电站丧失了全部的外部电源,6台机组的应急柴油发电机也几乎全部被淹,反应堆失去冷却功能,最终多台机组发生堆芯熔化,酿成日本核电史上最严重的核泄漏事故;福岛第 Fukushima Daiichi Nuclear Power Station, Fukushima Daiichi Nuclear Power Plant and Nuwa Nuclear Power Station are located on the east coast of Japan and adjacent to the Pacific Ocean. After being hit by the earthquake and tsunami, the Fukushima Daiichi nuclear power station lost its entire external power supply. As a result, almost all the emergency diesel generators of the six units were submerged, and the reactor lost its cooling function. As a result, multiple units eventually melted into the core and made Japan The worst nuclear accident in nuclear history; Fukushima Prefecture