Numerical Simulation of M9 Megathrust Earthquakes in the Cascadia Subduction Zone

We estimate ground motions in the Pacific Northwest urban areas during M9 subduction scenario earthquakes on the Cascadia megathrust by simulating wave propagation from an ensemble of kinematic source descriptions. Velocities and densities in our computational mesh are defined by integrating the reg...

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Veröffentlicht in:	Pure and Applied Geophysics 2020-05, Vol.177 (5), p.2125-2141
Hauptverfasser:	Roten, D., Olsen, K. B., Takedatsu, R.
Format:	Artikel
Sprache:	eng
Schlagworte:	Central business districts Cohesionless sediments Computational grids Computer applications Computer simulation Dimensions Directivity Earth and Environmental Science Earth Sciences Earthquake prediction Earthquakes Finite difference method Finite element method Geological surveys Geophysics/Geodesy Ground motion Long-period ground motion Mathematical models megathrust earthquake Numerical simulations Propagation Rupture Rupturing Sediments Seismic activity Seismic velocities Shaking Simulation Slip Soil Soil layers Subduction Subduction (geology) Subduction zones Surface velocity Surveying Three dimensional motion Urban areas Velocity Wave propagation wave propagation simulation Wave velocity
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