Regional Spectral Characteristics Derived Using the Generalized Inversion Technique and Applications to Stochastic Simulation of the 2021  6.1 Yangbi …

L Fu, S Chen, J Li, L Zhang… - Bulletin of the …, 2023 - pubs.geoscienceworld.org
In this study, 334 accelerograms of 42 small‐to‐moderate earthquakes recorded at 36
strong‐motion stations were used to investigate the ground‐motion characteristics of the …

Empirical ground-motion models (GMMs) and associated correlations for cumulative absolute velocity, Arias intensity, and significant durations calibrated on Iranian …

M Davatgari-Tafreshi, SS Bora - Bulletin of Earthquake Engineering, 2023 - Springer
This study presents empirical ground-motion models (GMMs) for estimating Arias intensity
(IA), cumulative absolute velocity (CAV) and significant ground-motion duration (D5–75 and …

Region‐ and Site‐Specific Measurements of Kappa () and Associated Variabilities for Iran

M Davatgari Tafreshi, S Singh Bora… - Bulletin of the …, 2022 - pubs.geoscienceworld.org
Spectral parameter kappa (κ) is widely used to model the decay slope of the Fourier
acceleration spectrum at high frequencies. This study presents estimates of κ 0, often …

Source scaling, spatially variable path attenuation, and site‐effect parameters via a generalized inversion technique for strong‐motion data from Sichuan, China

KL Chen, XL Chen, YW Wang… - Bulletin of the …, 2024 - pubs.geoscienceworld.org
Quantifying the source, propagation path, and site characteristics accurately is pivotal for
evaluating regional earthquake hazards. The nonparametric generalized inversion …

Hybrid Empirical Ground‐Motion Models for the Island of Hawaii Based on an Updated Strong Ground‐Motion Database

S Pezeshk, M Davatgari‐Tafreshi… - Bulletin of the …, 2024 - pubs.geoscienceworld.org
In this study, we develop ground‐motion models (GMMs) for the Island of Hawaii. This area
has been the site of several significant earthquake events with a growing database of strong …

Estimation of site effects and equivalent source parameters of Wenchuan earthquake based on generalized chaotic particle inversion technique

KL Chen, XL Chen, JY Lan… - Seismological …, 2024 - pubs.geoscienceworld.org
Based on the advantages of the chaos particle swarm optimization algorithm and the
generalized inversion technology, this article estimates the source parameters and site …

The high-frequency decay parameter Kappa (κ) in the Alborz Region using broadband seismic waveforms

S Ahmadzadeh, G Javan-Doloei - Journal of Seismology, 2024 - Springer
The high-frequency decay parameter (κ) is investigated using the three-component
broadband seismograms from 306 earthquakes with ML 3.1–5.6 recorded at nine Iranian …

Analysis of site amplification coefficient characteristics of Sichuan and its application in strong ground-motion simulation: A case study of 2022 Lushan MS6.1 …

L FU, JJ XIE, S CHEN, B ZHANG, X ZHANG… - Chinese Journal of …, 2023 - en.dzkx.org
Following the site classification methods proposed the Chinese seismic code (Code16) and
the Next Generation Attenuation (GMX), the site conditions of 62 strong motion observation …

Separating broad-band site response from single-station seismograms

C Zhu, F Cotton, H Kawase… - Geophysical Journal …, 2023 - academic.oup.com
In this paper, we explore the use of seismicity data on a single-station basis in site response
characterization. We train a supervised deep-learning model, SeismAmp, to recognize and …

Empirical models for Fourier amplitude spectrum of ground-motion calibrated on data from the Iranian plateau

M Davatgari-Tafreshi, S Pezeshk, SS Bora - Bulletin of Earthquake …, 2024 - Springer
Ground-motion models (GMMs) are frequently used in engineering seismology to estimate
ground motion intensities. The majority of GMMs predict the response spectral ordinates …