The 2023 US National Seismic Hazard Model: Subduction ground-motion models

S Rezaeian, PM Powers, J Altekruse… - Earthquake …, 2024 - pubs.geoscienceworld.org
The US Geological Survey National Seismic Hazard Models (NSHMs) are used to calculate
earthquake ground-shaking intensities for design and rehabilitation of structures in the …

Instantaneous physics‐based ground motion maps using reduced‐order modeling

JM Rekoske, AA Gabriel, DA May - Journal of Geophysical …, 2023 - Wiley Online Library
Physics‐based simulations of earthquake ground motion are useful to complement recorded
ground motions. However, the computational expense of performing numerical simulations …

Topographic Response to Simulated  6.5–7.0 Earthquakes on the Seattle Fault

I Stone, EA Wirth, AD Frankel - Bulletin of the …, 2022 - pubs.geoscienceworld.org
We explore the response of ground motions to topography during large crustal fault
earthquakes by simulating several magnitude 6.5–7.0 rupture scenarios on the Seattle fault …

Impacts of simulated M9 Cascadia Subduction Zone earthquakes considering amplifications due to the Georgia sedimentary basin on reinforced concrete shear wall …

P Kakoty, SM Dyaga… - Earthquake Engineering & …, 2021 - Wiley Online Library
Abstract Southwest British Columbia has the potential to experience large‐magnitude
earthquakes generated by the Cascadia Subduction Zone (CSZ). Buildings in Metro …

Ensemble shakemaps for magnitude 9 earthquakes on the Cascadia subduction zone

EA Wirth, A Grant, NA Marafi… - … Society of America, 2021 - pubs.geoscienceworld.org
We develop ensemble ShakeMaps for various magnitude 9 (M 9) earthquakes on the
Cascadia megathrust. Ground‐shaking estimates are based on 30 M 9 Cascadia …

Validating predicted site response in sedimentary basins from 3D ground motion simulations

CC Nweke, JP Stewart, RW Graves… - Earthquake …, 2022 - journals.sagepub.com
We introduce procedures to validate site response in sedimentary basins as predicted using
ground motion simulations. These procedures aim to isolate contributions of site response to …

[HTML][HTML] Potential and limitations of noise-based surface-wave tomography for numerical site effect estimation: a case study in the French Rhône valley

F Lavoué, B Froment, C Gélis… - Comptes …, 2024 - comptes-rendus.academie-sciences …
Potential and limitations of noise-based surface-wave tomography for numerical site effect
estimation: a case study in the French Rhône valley À propos Notre revue Équipe éditoriale Les …

Comparing subduction ground-motion models to observations for Cascadia

JA Smith, MP Moschetti… - Earthquake Spectra, 2024 - journals.sagepub.com
We evaluate Cascadia subduction ground-motion models (GMMs), considered for the 2023
US National Seismic Hazard Model (NSHM) update, by comparing observations to model …

Impacts of geometric model simplifications on wave propagation—application to ground motion simulation in the lower Var valley basin (France)

P Anquez, N Glinsky, P Cupillard… - Geophysical Journal …, 2022 - academic.oup.com
The numerical simulation of seismic wave propagation in realistic heterogeneous media, as
sedimentary basins, is a key element of seismic hazard estimation. Many numerical methods …

Empirical ground-motion basin response in the California Great Valley, Reno, Nevada, and Portland, Oregon

SK Ahdi, BT Aagaard, MP Moschetti… - Earthquake …, 2024 - journals.sagepub.com
We assess how well the Next-Generation Attenuation-West 2 (NGA-West2) ground-motion
models (GMMs), which are used in the US Geological Survey's (USGS) National Seismic …