3D Ground-Motion Simulations for Magnitude 9 Earthquakes on the Cascadia Megathrust: Sedimentary Basin Amplification, Rupture Directivity, and Ground-Motion Variability

Arthur D Frankel, USGS, Seattle, WA, United States, Erin A Wirth, University of Washington, Earth and Space Sciences, Seattle, WA, United States, Nasser Marafi, University of Washington, Seattle, WA, United States, John Emilio Vidale, Univ Washington, Seattle, WA, United States and William J Stephenson, U.S. Geological Survey, Denver, CO, United States