Broadband (0–5 Hz) fully deterministic 3D ground‐motion simulations of a magnitude 7.0 Hayward fault earthquake: Comparison with empirical ground‐motion …

AJ Rodgers, NA Petersson… - Seismological …, 2019 - pubs.geoscienceworld.org
We report on high‐performance computing (HPC) fully deterministic simulation of ground
motions for a moment magnitude (⁠ M w⁠) 7.0 scenario earthquake on the Hayward fault …

The SCEC unified community velocity model software framework

P Small, D Gill, PJ Maechling… - Seismological …, 2017 - pubs.geoscienceworld.org
Crustal seismic‐velocity models and datasets play a key role in regional 3D numerical
earthquake ground‐motion simulation, full waveform tomography, and modern physics …

Refinements to the Graves–Pitarka Kinematic Rupture Generator, Including a Dynamically Consistent Slip‐Rate Function, Applied to the 2019  7.1 Ridgecrest …

A Pitarka, R Graves, K Irikura… - Bulletin of the …, 2022 - pubs.geoscienceworld.org
The main objective of this study is to develop physics‐based constraints on the
spatiotemporal variation of the slip‐rate function using a simplified dynamic rupture model …

Regional‐Scale 3D Ground‐Motion Simulations of  7 Earthquakes on the Hayward Fault, Northern California Resolving Frequencies 0–10 Hz and Including Site …

AJ Rodgers, A Pitarka… - Bulletin of the …, 2020 - pubs.geoscienceworld.org
Large earthquake ground‐motion simulations in 3D Earth models provide constraints on site‐
specific shaking intensities but have suffered from limited frequency resolution and ignored …

Physics‐based probabilistic seismic hazard and loss assessment in large urban areas: A simplified application to Istanbul

M Stupazzini, M Infantino, A Allmann… - … & Structural Dynamics, 2021 - Wiley Online Library
A set of 3D physics‐based numerical simulations (PBS) of possible earthquakes scenarios
in Istanbul along the North Anatolian Fault (Turkey) is considered in this article to provide a …

Moving from 1-D to 3-D velocity model: automated waveform-based earthquake moment tensor inversion in the Los Angeles region

X Wang, Z Zhan - Geophysical Journal International, 2020 - academic.oup.com
Earthquake focal mechanisms put primary control on the distribution of ground motion, and
also bear on the stress state of the crust. Most routine focal mechanism catalogues still use 1 …

Tomography of Southern California via Bayesian joint inversion of Rayleigh wave ellipticity and phase velocity from ambient noise cross‐correlations

EM Berg, FC Lin, A Allam, H Qiu… - Journal of …, 2018 - Wiley Online Library
A self‐consistent regional‐scale seismic velocity model with resolution from seismogenic
depth to the surface is crucial for seismic hazard assessment. Though Southern California is …

Hybrid broadband ground motion simulation validation of small magnitude earthquakes in Canterbury, New Zealand

RL Lee, BA Bradley, PJ Stafford… - Earthquake …, 2020 - journals.sagepub.com
Ground motion simulation validation is an important and necessary task toward establishing
the efficacy of physics-based ground motion simulations for seismic hazard analysis and …

Methodology for including path effects due to 3D velocity structure in nonergodic ground‐motion models

CH Sung, N Abrahamson… - Bulletin of the …, 2023 - pubs.geoscienceworld.org
ABSTRACT A new approach is developed to incorporate the anisotropic path effects in
ground motions due to the 3D velocity structure into nonergodic ground‐motion models …

Enhancing regional seismic velocity models with higher‐resolution local results using sparse dictionary learning

H Zhang, Y Ben‐Zion - Journal of Geophysical Research: Solid …, 2024 - Wiley Online Library
We use sparse dictionary learning to develop transformations between seismic velocity
models of different resolution and spatial extent. Starting with data in the common region of …