Lake Washington Is Hiding Something Huge About the West Coast

Nearly 300 feet beneath Lake Washington, an entire forest is still standing upright — preserved for more than 1,000 years after a powerful earthquake sent whole sections of hillside into the lake.

But the story goes far beyond one drowned forest. In this documentary, we explore the Seattle Fault, the Cascadia Subduction Zone, new earthquake research, tsunami risks, ShakeAlert, and evidence suggesting major faults along the Pacific Northwest may be more connected than scientists once thought.

Could the next major earthquake reshape Seattle, Oregon, and the entire Pacific Northwest?

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