With a diameter of 60km and its energy equivalent to that of 80 billion Hiroshima-type A-bombs......and fell back immediately afterward as a myriad of meteorites large and small.A supermassive meteorite had fallen on the Earth.Magnitude-15 earthquakes and colossal tsunami, thousands of meters in height......caused chain-reaction catastrophes throughout the world......it exploded the entire Japanese archipelago.The Earth's crust was flung into the stratosphere...