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kirbygay t1_j9phq1z wrote

The local indigenous peoples also had tales of a tsunami sweeping away tons of people.

If anyone is interested, here's a neat article: https://slate.com/technology/2015/09/earthquakes-and-tsunamis-in-the-pacific-northwest-native-american-myths-and-geoscience.html

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Kale t1_j9t3mso wrote

The Japanese were aware of the link between earthquakes and tsunamis when the last Cascadia event occurred. There are records of a tsunami in Japan without a recorded quake. It's believed this may have been Cascadia (early 1700's I think?). Indigenous people told the first European explorers about quakes, which probably had occurred not long before the explorers reached the PNW coast.

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