Lately, it seems like everything on Earth is aligned to kill us: hurricanes, fires, floods. That’s the short list. According to Howard Lee at Ars Technica, a host of scientists now believe that massive volcanic floods called Large Igneous Provinces, or LIPs, are the cause of most global mass extinctions. Scientists are trying to figure out how LIPs work and when — not if — another flood will destroy life on earth.

The article goes into fascinating geological detail about what science knows about this cataclysmic volcanism. Although the title, “When Will the Earth Try to Kill Us Again?” makes the process sound maliciously anthropomorphic, the idea of a hateful Earth, sick of humanity’s meddling, does add some welcome levity to a grave vision of our future.

Some scientists claim LIPs occur cyclically every 15 million years, and they think we’re overdue for one. Others admit we don’t understand them well…

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