Buuxi weedha soo socota: Roobabkii xooganaa ee ka dhashay duufaantii waxay sii xumeeyeen faafitaanka walxaha shucaaca leh ee biyaha dhulka hoostiisa ku jira agagaarka warshadaha nukliyeerka ee Fukushima I iyo Fukushima II, kuwaas oo ku dhacay burburka nukliyeerka sanadkii 2011 ka dib markii uu dabayl xoog leh ku dhuftay Fukushima.
Dhulgariir 9.0 MW ah iyo tsunami ka dambeeyay. Heerarka tritium oo ah isotope hydrogen radioactive ah ayaa kor u kacay toban jibaar laga bilaabo bishii hore ilaa 150,000 becquerel halkii litir. Strontium-90, oo ah walax la ogyahay inuu keeno kansarka lafaha, ayaa kor u kacay 1.2 milyan becquerel halkii litir. Goob kale oo laga qaadayo muunado ayaa muujisay labanlaab heerarka walxaha sii daaya walxaha beta ka hor duufaanta.