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Dead Trees Tell No Lies: The Electron Mudflow

In October of 2023, I published a newsletter about scientists using tree rings to date the Seattle Fault. I wrote: “It is a tour de force and beautiful example of science, taking a unique set of features and combining technology with old school-out-in-the-field, mucky, muddy detective work to answer an essential question.” Two members of the group, Pat Pringle and Bryan Black, along with USGS volcanologist Jim Vallance, have done it again. They have solved an essential question via dendrochronology. They have pinpointed the date of the Electron Mudflow to the year 1507.

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