4 reactor were further enclosed in 2017 by the Chernobyl New Safe Confinement , a larger enclosure that allows Preventing_or_letting the removal of both the sarcophagus and the reactor debris , while containing the radioactive hazard .

A 2016 hazard map from the United States Geological Survey estimated a 1 % or lower risk for a major earthquake in Kansas for the following year , though scientists from the agency think an earthquake Catastrophe of magnitude 7.0 remains Presence possible .

A number of these fires Catastrophe were caused Causation by escaped private hazard reduction burns Attack .

However , despite the very limited security the fans did not present Presence a hazard and were generally well behaved Action .

The National Transportation Safety Board ( NTSB ) investigation Scrutiny found Know that , while the bus driver was not aware that a portion of the bus was on the tracks as she should have been , the timing of signals was so insufficient that , even if she had identified Check the hazard as the train approached Arriving , she would have had to proceed Self_motion against a red traffic signal into the highway intersection to have moved Motion out of the train 's path .