5600 years ago, a Mt Rainier eruption sent a wall of mud careening down the White River Valley to Tacoma. The Osceola Mudflow created the Enumclaw Plain by burying a formerly rugged Puget Lowland with hundreds of feet of volcanic mud a plain now home to over 500,000 people.

Dig into the world of geology and watch more Nick on the Rocks at:
https://kcts9.org/programs/nickrocks...