An Oregon newspaper named The Register-Guard has an article entitled, “More damage than a nuclear bomb,” dealing with the science of tsunamis and modeling the potential effects of a tsunami striking the Oregon coast. It also makes a comparison between Oregon and Sumatra: The fault lines that caused that quake make up the Sumatra subduction zone, which last produced a magnitude 9 temblor in 1833. There, the India plate subducts, or dives under, the Burma plate, much like the two plates that make up Cascadia. And the zone’s distance from Sumatra’s coast is about the same as Cascadia’s is to Oregon.
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