In the aftermath of Fukushima, defenses against multiple severe natural disasters, including earthquakes and tsunamis, are being strengthened at nuclear facilities all over the world. Measures are being taken to improve preparedness for prolonged power outages, protect backup power sources, and ensure the availability of water for cooling even under severe accident conditions.
福岛事故发生后，全世界核设施都加强了多重严重自然灾害（如地震和海啸）的防护。采取的措施包括：改善应对长期停电的准备、维护备用电源以及在发生严重事故的情况下确保冷却水的可获得性。