Cascadia vs New Madrid: Which Fault Will Strike First?
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Two earthquakes are coming. Both have happened before. Both will happen again. And the United States is not ready for either one. One sleeps off the coast of Oregon, under several thousand feet of Pacific Ocean. It is a fault as long as the distance from New York to Atlanta. When it last released, the entire shoreline of the Pacific Northwest dropped six feet) in a few minutes, and a wall of water crossed the ocean to flood Japan. That was three hundred and twenty-six years ago. The next one is statistically overdue. The other sleeps under the Mississippi River, in the agricultural heart of the country. It does not run along a plate boundary. It does not have a visible scar at the surface. And yet in the winter of 1811-1812 it produced three earthquakes powerful enough to ring church bells in Boston, 1,100 miles away. The Mississippi River ran backwards for several hours. Settlers thought the world was ending. One is a megathrust on the edge of a continent. The other is a complex of b
Tags: insane curiosity, space, science, astronomy
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