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[–]TheJamesRocket 3 insightful - 2 fun3 insightful - 1 fun4 insightful - 2 fun -  (1 child)

we are 12,800 years into the roughly 12,000 year long catastrophe cycle

Are you talking about the magnetic pole shift? Those actually occur on a scale of about 42,000 years or so. Pole shifts are dangerous because they result in the temporary shut down of the Earths magnetic field. As a result, the ozone layer is quickly stripped away, and ultraviolet light is able to inundate the Earths surface. This is harmful to life, which can cause die offs. However, the Earths magnetic field soon regenerates, and so to does the ozone layer.

Magnetic pole shifts are only a temporary crisis', and it isn't really accurate to call them an extinction level event.

[–]Node 1 insightful - 3 fun1 insightful - 2 fun2 insightful - 3 fun -  (0 children)

I've seen a few articles recently on new findings that they're saying show 'great extinctions' during past pole flips.