What is the amount of nuclear fuel in a reactor of Fukushima nuclear power plant? Chernobyl sealed about 200 tons of uranium and nearly 1 ton of deadly plutonium.

Don't worry, the moderator of Chernobyl was graphite ~ the situation at that time was actually the same, I mean compared with Fukushima. The difference is: 1. When the accident occurred in Chernobyl containment 2, Chernobyl dropped graphite by helicopter, and the moderator was also graphite, which triggered a super big explosion. 100 times the radioactive material and dose of Hiroshima nuclear explosion flew into the air. The moderator in Fukushima is water, and it is injected with water, which will not explode, and there are few radioactive substances flying out. So don't panic. Fukushima still has a lot of nuclear fuel, because it has been in operation for 40 years, and less than 1/3 fuel rods need to be replaced every year. You calculate, the enrichment of U235 is less than 2%. I weighed it, about 40 kg (not estimated). You can know how much fuel is used. Spent fuel rods are placed in the pool of spent fuel factory in containment.