David B. Williams is an author and naturalist based in Seattle. He is the author of Stories in Stone: Travels Through Urban Geology and The Seattle Street-Smart Naturalist: Field Notes from the City. At present he is at work on a book about the natural and cultural history of cairns.
When a megathrust earthquake strikes, scientists around the world know in seconds. But what about hundreds of years ago? How, exactly, do scientists know there was a megathrust quake on the Cascadia Subduction Zone on January 26, 1700 between 9:00 and 10:00 p.m.? The answer lies in a ghost forest discovered on the Washington coast that reveals the secrets of one of the most powerful earthquakes to hit the planet.