The listed material finds and historical evidence are not enough to conclude that the catastrophe was nuclear. It was necessary to find traces of radiation. And it turns out that there are a lot of such traces on Earth. First, as the consequences of the Chernobyl disaster show, now animals and humans are undergoing mutations leading to cyclopism (in cyclops, one eye is above the bridge of the nose). And we know from the legends of many peoples about the existence of the Cyclopes, with whom people had to fight.
Traces Of A Nuclear Cataclysm On Earth - Alternative View 
