Explore the geological history of the Pacific Northwest in this comprehensive lecture focusing on the Eocene epoch, Siletzia terrane, and Yellowstone hotspot. Delve into topics such as the Tillamook episode, Columbia River Basalt, and the Crooked River Caldera. Learn about the docking of Siletzia and its implications through expert insights from Ray Wells and Meryl Beck's paleomagnetism research. Witness plate motion model animations and engage in a Q&A session to deepen your understanding of how scientific thoughts on these geological phenomena have evolved over time.