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The Long-Lost Tale of an 18th-Century Tsunami, as Told by Trees


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The Long-Lost Tale of an 18th-Century Tsunami, as Told by Trees

Local evidence of the cataclysm has literally washed away over the

years. But Oregon’s Douglas firs may have recorded clues deep in

their tree rings. Max G. Levy, Wired Magazine, September 29, 2021


the paper is:


Dziak, R. P., Black, B. A., Wei, Y., and Merle, S. G., 2021,

Assessing local impacts of the 1700 CE Cascadia earthquake

and tsunami using tree-ring growth histories: a case study in 

South Beach, Oregon, USA, Nat. Hazards Earth Syst. Sci., 21,



Related paper is;


Patton, J. R., Goldfinger, C., Morey, A. E., Romsos, C., Black, 

B., Djadjadihardja, Y., and Udrekh: Seismoturbidite record as

preserved at core sites at the Cascadia and Sumatra-Andaman 

subduction zones, Nat. Hazards Earth Syst. Sci., 13, 833-867.




Paul H.

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