The Cenomanian-Turonian anoxic event may have an analogue in prophecy. So what does the scripture say? Is there any evidence that an anoxic mass-extinction event is recorded in the Bible?
A Tribulation Anoxic Event
Every Living Soul Died In The Sea
In order to account for the vast volume of stellar material that is going to fall from the heavens during the tribulation I have calculated that the earth's radius is going to increase from 6,371 Km to approximately 10,975 Km.
Every Mountain And Island Were Moved
If every mountain and island were moved out of their places, the mountains and hills are being made low, and the city of Jerusalem is lifted up to be at the summit of a mountain that fills the whole Earth.
November 5th
One third of all sea creatures are killed by an extraterrestrial impact, presumably because of the shock wave from it and an increase in temperature. Eventually the sea becomes so polluted that nothing can survive.