1-20 OF 2809 RESULTS FOR

hybrid empirical method

Results shown limited to content with bounding coordinates.
Save search
Follow your search
Access your saved searches in your account
Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Journal Article

Ground‐Motion Prediction Equations for Central and Eastern North America Using the Hybrid Empirical Method and NGA‐West2 Empirical Ground‐Motion Models Available to Purchase

Shahram Pezeshk, Arash Zandieh, Kenneth W. Campbell, Behrooz Tavakoli
Published: 19 June 2018
Bulletin of the Seismological Society of America (2018) 108 (4): 2278–2304.
DOI: https://doi.org/10.1785/0120170179
...Shahram Pezeshk; Arash Zandieh; Kenneth W. Campbell; Behrooz Tavakoli Abstract The hybrid empirical method (HEM) of simulating ground‐motion intensity measures (GMIMs) in a target region uses stochastically simulated GMIMs in the host and target regions to develop adjustment factors...
FIGURES | View All (15)
View PDF for article title, Ground‐Motion Prediction Equations for Central and Eastern North America Using the <span class="search-highlight">Hybrid</span> <span class="search-highlight">Empirical</span> <span class="search-highlight">Method</span> and NGA‐West2 <span class="search-highlight">Empirical</span> Ground‐Motion Models
Purchase
Add to Citation Manager for Ground‐Motion Prediction Equations for Central and Eastern North America Using the <span class="search-highlight">Hybrid</span> <span class="search-highlight">Empirical</span> <span class="search-highlight">Method</span> and NGA‐West2 <span class="search-highlight">Empirical</span> Ground‐Motion Models
Journal Article

An Evaluation of Eastern North American Ground‐Motion Models Developed Using the Hybrid Empirical Method Available to Purchase

Kenneth W. Campbell
Published: 26 November 2013
Bulletin of the Seismological Society of America (2014) 104 (1): 347–359.
DOI: https://doi.org/10.1785/0120120256
...Kenneth W. Campbell Abstract Ground‐motion models ( GMM s) and ground‐motion adjustment factors developed using the hybrid empirical method ( HEM ) are used in seismic‐hazard analyses throughout the world as an alternative to GMM s developed from the more traditional empirical and simulation...
FIGURES
View PDF for article title, An Evaluation of Eastern North American Ground‐Motion Models Developed Using the <span class="search-highlight">Hybrid</span> <span class="search-highlight">Empirical</span> <span class="search-highlight">Method</span>
Purchase
Add to Citation Manager for An Evaluation of Eastern North American Ground‐Motion Models Developed Using the <span class="search-highlight">Hybrid</span> <span class="search-highlight">Empirical</span> <span class="search-highlight">Method</span>
Journal Article

Prediction of Strong Ground Motion Using the Hybrid Empirical Method and Its Use in the Development of Ground-Motion (Attenuation) Relations in Eastern North America Available to Purchase

Kenneth W. Campbell
Published: 01 December 2004
Bulletin of the Seismological Society of America (2004) 94 (6): 2418.
DOI: https://doi.org/10.1785/0120040148
View PDF for article title, Prediction of Strong Ground Motion Using the <span class="search-highlight">Hybrid</span> <span class="search-highlight">Empirical</span> <span class="search-highlight">Method</span> and Its Use in the Development of Ground-Motion (Attenuation) Relations in Eastern North America
Purchase
Add to Citation Manager for Prediction of Strong Ground Motion Using the <span class="search-highlight">Hybrid</span> <span class="search-highlight">Empirical</span> <span class="search-highlight">Method</span> and Its Use in the Development of Ground-Motion (Attenuation) Relations in Eastern North America
Journal Article

Prediction of Strong Ground Motion Using the Hybrid Empirical Method and Its Use in the Development of Ground-Motion (Attenuation) Relations in Eastern North America Available to Purchase

Kenneth W. Campbell
Published: 01 June 2003
Bulletin of the Seismological Society of America (2003) 93 (3): 1012–1033.
DOI: https://doi.org/10.1785/0120020002
... are limited, they are often developed from seismological models using stochastic and theoretical methods. However, there is a large degree of uncertainty in calculating absolute values of ground motion from seismological models in regions where data are sparse. As an alternative, I propose a hybrid empirical...
FIGURES | View All (7)
View PDF for article title, Prediction of Strong Ground Motion Using the <span class="search-highlight">Hybrid</span> <span class="search-highlight">Empirical</span> <span class="search-highlight">Method</span> and Its Use in the Development of Ground-Motion (Attenuation) Relations in Eastern North America
Purchase
Add to Citation Manager for Prediction of Strong Ground Motion Using the <span class="search-highlight">Hybrid</span> <span class="search-highlight">Empirical</span> <span class="search-highlight">Method</span> and Its Use in the Development of Ground-Motion (Attenuation) Relations in Eastern North America
Image
Schematic illustration of the hybrid‐empirical method for adjusting an empirical GMM to match conditions in the target region and at the target site. FAS, Fourier amplitude spectrum; SA, spectral acceleration. The color version of this figure is available only in the electronic edition.

Schematic illustration of the hybrid‐empirical method for adjusting an empi... Available to Purchase

Published: 25 August 2020
Figure 5. Schematic illustration of the hybrid‐empirical method for adjusting an empirical GMM to match conditions in the target region and at the target site. FAS, Fourier amplitude spectrum; SA, spectral acceleration. The color version of this figure is available only in the electronic edition.
Journal Article

Hybrid Empirical Ground-Motion Prediction Equations for Eastern North America Using NGA Models and Updated Seismological Parameters Available to Purchase

Shahram Pezeshk, Arash Zandieh, Behrooz Tavakoli
Published: 01 August 2011
Bulletin of the Seismological Society of America (2011) 101 (4): 1859–1870.
DOI: https://doi.org/10.1785/0120100144
... s). The hybrid empirical method is one such method used to develop ground-motion prediction equations in areas with sparse ground motions. This method employs the stochastic simulation method to adjust empirical GMPE s developed for a region with abundant strong-motion recordings in order...
FIGURES
View PDF for article title, <span class="search-highlight">Hybrid</span> <span class="search-highlight">Empirical</span> Ground-Motion Prediction Equations for Eastern North America Using NGA Models and Updated Seismological Parameters
Purchase
Add to Citation Manager for <span class="search-highlight">Hybrid</span> <span class="search-highlight">Empirical</span> Ground-Motion Prediction Equations for Eastern North America Using NGA Models and Updated Seismological Parameters
Journal Article

Combining a Kinematic Fractal Source Model with Hybrid Green’s Functions to Model Broadband Strong Ground Motion Available to Purchase

Javier A. Ruiz, David Baumont, Pascal Bernard, Catherine Berge‐Thierry
Published: 05 November 2013
Bulletin of the Seismological Society of America (2013) 103 (6): 3115–3130.
DOI: https://doi.org/10.1785/0120110135
...Javier A. Ruiz; David Baumont; Pascal Bernard; Catherine Berge‐Thierry Abstract A hybrid empirical method is proposed to simulate broadband strong ground motion that combines a kinematic complex source model with both numerical and empirical Green’s functions. The kinematic approach is based...
FIGURES | View All (16)
View PDF for article title, Combining a Kinematic Fractal Source Model with <span class="search-highlight">Hybrid</span> Green’s Functions to Model Broadband Strong Ground Motion
Purchase
Add to Citation Manager for Combining a Kinematic Fractal Source Model with <span class="search-highlight">Hybrid</span> Green’s Functions to Model Broadband Strong Ground Motion
Journal Article

A Ground‐Motion Model for the Gulf Coast Region of the United States Available to Purchase

Shahram Pezeshk, Arash Zandieh, Alireza Haji‐Soltani
Published: 20 July 2021
Bulletin of the Seismological Society of America (2021) 111 (6): 3261–3277.
DOI: https://doi.org/10.1785/0120210023
...Shahram Pezeshk; Arash Zandieh; Alireza Haji‐Soltani ABSTRACT In this study, the hybrid empirical method (HEM) was used to develop a new ground‐motion model (GMM) for the Gulf Coast of the United States. We used five new empirical GMMs developed by the Pacific Earthquake Engineering Research Center...
FIGURES | View All (12)
View PDF for article title, A Ground‐Motion Model for the Gulf Coast Region of the United States
Purchase
Add to Citation Manager for A Ground‐Motion Model for the Gulf Coast Region of the United States
Journal Article

An equivalent point-source stochastic model of the NGA-East ground-motion models Available to Purchase

Shahram Pezeshk, M.EERI, Christie Assadollahi, S.EERI, Arash Zandieh
Published: 01 May 2024
Earthquake Spectra (2024) 40 (2): 1452–1478.
DOI: https://doi.org/10.1177/87552930231225983
... that yields PSA values similar to the median NGA-East GMMs. The parameters derived from this study can be used for the hybrid empirical method (HEM) applications. This study is the first to perform a formal inversion using the GMMs developed for the NGA-East project. The approach has been validated using...
FIGURES | View All (15)
View PDF for article title, An equivalent point-source stochastic model of the NGA-East ground-motion models
Purchase
Add to Citation Manager for An equivalent point-source stochastic model of the NGA-East ground-motion models
Journal Article

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

Shahram Pezeshk, Mehran Davatgari‐Tafreshi, Alireza Haji‐Soltani
Published: 21 March 2024
Bulletin of the Seismological Society of America (2024) 114 (4): 2186–2201.
DOI: https://doi.org/10.1785/0120230225
... modeling on the Island of Hawaii is challenging due to different anelastic attenuation characteristics, the volcanic origin of some of the events, and event depth distribution. Only a few GMMs have been developed for the Island of Hawaii. In this study, we apply a hybrid empirical method (HEM) to develop...
FIGURES | View All (9)
View PDF for article title, <span class="search-highlight">Hybrid</span> <span class="search-highlight">Empirical</span> Ground‐Motion Models for the Island of Hawaii Based on an Updated Strong Ground‐Motion Database
Purchase
Add to Citation Manager for <span class="search-highlight">Hybrid</span> <span class="search-highlight">Empirical</span> Ground‐Motion Models for the Island of Hawaii Based on an Updated Strong Ground‐Motion Database
Includes: Supplemental Content
Journal Article

Kappa ( κ ) Scaling of Ground‐Motion Prediction Equations Using an Inverse Random Vibration Theory Approach Available to Purchase

Linda Al Atik, Albert Kottke, Norman Abrahamson, Justin Hollenback
Published: 19 November 2013
Bulletin of the Seismological Society of America (2014) 104 (1): 336–346.
DOI: https://doi.org/10.1785/0120120200
... to the GMPE response spectra. In contrast to the commonly used hybrid empirical method ( Campbell, 2003 ), the proposed approach does not require a full seismological model for the stochastic parameters (stress drop, whole‐path attenuation, etc.) of the host and target regions and does not assume...
FIGURES | View All (9)
View PDF for article title, Kappa ( κ ) Scaling of Ground‐Motion Prediction Equations Using an Inverse Random Vibration Theory Approach
Purchase
Add to Citation Manager for Kappa ( κ ) Scaling of Ground‐Motion Prediction Equations Using an Inverse Random Vibration Theory Approach
Image
Comparison of standard deviations from five ground‐motion models developed for hard‐rock site conditions in eastern North America using the hybrid empirical method (HEM) or referenced empirical approach (REA). Comparisons are made for PGA and PSA at spectral periods of 0.05, 0.2, 0.5, 1, and 3 s. Definitions are given in the caption to Figure 1. The color version of this figure is available only in the electronic edition.

Comparison of standard deviations from five ground‐motion models developed ... Available to Purchase

Published: 26 November 2013
Figure 2. Comparison of standard deviations from five ground‐motion models developed for hard‐rock site conditions in eastern North America using the hybrid empirical method ( HEM ) or referenced empirical approach ( REA ). Comparisons are made for PGA and PSA at spectral periods of 0.05, 0.2
Image
Comparison of 5% damped acceleration response spectra predicted from several ENA hard-rock ground-motion relations that have been developed using the hybrid empirical method for (a) MW 5.5 and (b) MW 7.5. The comparison is for a fault rupture distance of 10 km.

Comparison of 5% damped acceleration response spectra predicted from severa... Available to Purchase

Published: 01 June 2003
Figure 5. Comparison of 5% damped acceleration response spectra predicted from several ENA hard-rock ground-motion relations that have been developed using the hybrid empirical method for (a) M W 5.5 and (b) M W 7.5. The comparison is for a fault rupture distance of 10 km.
Image
Comparison of several ENA hard-rock ground-motion relations that have been developed using the hybrid empirical method for (a) peak ground acceleration and MW 5.5, (b) 5% damped spectral acceleration at 1.0-sec period and MW 5.5, (c) peak ground acceleration and MW 7.5, (d) 5% damped spectral acceleration at 1.0-sec period and MW = 7.5.

Comparison of several ENA hard-rock ground-motion relations that have been ... Available to Purchase

Published: 01 June 2003
Figure 4. Comparison of several ENA hard-rock ground-motion relations that have been developed using the hybrid empirical method for (a) peak ground acceleration and M W 5.5, (b) 5% damped spectral acceleration at 1.0-sec period and M W 5.5, (c) peak ground acceleration and M W 7.5, (d
Image
Comparisons of median estimates from five ground‐motion models developed for hard‐rock site conditions in eastern North America using the hybrid empirical method (HEM) or referenced empirical approach (REA). One comparison is made for PGA and five for PSA at spectral periods of 0.05, 0.2, 0.5, 1, and 3 s for moment magnitudes of 5.0 and 7.0, resulting in a lower curve for M 5.0 and an upper curve for M 7.0 for each ground‐motion model; A08′, Atkinson (2008) as revised by Atkinson and Boore (2011); C03, Campbell (2003); C07, Campbell (2007, 2008a, 2011); PZT11, Pezeshk et al. (2011); TP05, Tavakoli and Pezeshk (2005). The color version of this figure is available only in the electronic edition.

Comparisons of median estimates from five ground‐motion models developed fo... Available to Purchase

Published: 26 November 2013
Figure 1. Comparisons of median estimates from five ground‐motion models developed for hard‐rock site conditions in eastern North America using the hybrid empirical method ( HEM ) or referenced empirical approach ( REA ). One comparison is made for PGA and five for PSA at spectral periods
Image

Summary of NGA-East median candidate GMMs Title (authorship), ch... Available to Purchase

Published: 01 July 2021
4. YA15 Ground-Motion Prediction Equations for Eastern North America using a Hybrid Empirical Method (S. Pezeshk, A. Zandieh, K.W. Campbell, and B. Tavakoli), Chapter 5. Two GMMs from PZCT based on different large M-scaling (simulation- and empirical-based): PZCT15_M1SS and PZCT15_M2ES
Journal Article

SSA News and Notes Available to Purchase

Published: 09 April 2025
Seismological Research Letters (2025) 96 (3): 2095.
DOI: https://doi.org/10.1785/0220250076
... Empirical Method and Its Use in the Development of Ground‐Motion (Attenuation) Relations in Eastern North America,” which pioneered the concept of the “hybrid‐empirical method” for developing ground‐motion models in regions with sparse ground‐motion recordings. The Bruce Bolt Medal is awarded jointly...
FIGURES
View PDF for article title, SSA News and Notes
Purchase
Add to Citation Manager for SSA News and Notes
Journal Article

Alternative Hybrid Empirical Ground‐Motion Model for Central and Eastern North America Using Hybrid Simulations and NGA‐West2 Models Available to Purchase

Alireza Shahjouei, Shahram Pezeshk
Published: 15 March 2016
Bulletin of the Seismological Society of America (2016) 106 (2): 734–754.
DOI: https://doi.org/10.1785/0120140367
... in the region. In addition, a comprehensive residual analysis is performed using the recorded earthquakes available in the NGA‐East database. 20 January 2016 The hybrid empirical method ( HEM ) is a powerful technique to develop GMM s in regions with a shortage of recorded strong ground...
FIGURES | View All (11)
View PDF for article title, Alternative <span class="search-highlight">Hybrid</span> <span class="search-highlight">Empirical</span> Ground‐Motion Model for Central and Eastern North America Using <span class="search-highlight">Hybrid</span> Simulations and NGA‐West2 Models
Purchase
Add to Citation Manager for Alternative <span class="search-highlight">Hybrid</span> <span class="search-highlight">Empirical</span> Ground‐Motion Model for Central and Eastern North America Using <span class="search-highlight">Hybrid</span> Simulations and NGA‐West2 Models
Image

References Abrahamson N. Silva W. Kamai R. ( 2014 ). Summ... Available to Purchase

Published: 16 February 2016
, National Institute of Building Sciences , Washington, D.C. Campbell K. W. ( 2003 ). Prediction of strong ground motion using the hybrid empirical method and its use in the development of ground‐motion (attenuation) relations in eastern North America , Bull. Seismol. Soc. Am. 93 , 1012
Journal Article

Methods to account for shallow site effects in hybrid broadband ground-motion simulations Open Access

Felipe Kuncar, M.EERI, Brendon A Bradley, M.EERI, Christopher A de la Torre, M.EERI, Adrian Rodriguez-Marek, M.EERI, Chuanbin Zhu, M.EERI, Robin L Lee, M.EERI
Published: 01 May 2025
Earthquake Spectra (2025) 41 (2): 1272–1313.
DOI: https://doi.org/10.1177/87552930241301059
... ( 2003 ) Prediction of strong ground motion using the hybrid empirical method and its use in the development of ground-motion (attenuation) relations in Eastern North America . Bulletin of the Seismological Society of America 93 ( 3 ): 1012 – 1033 . Campbell KW...
FIGURES | View All (15)
View PDF for article title, <span class="search-highlight">Methods</span> to account for shallow site effects in <span class="search-highlight">hybrid</span> broadband ground-motion simulations
Add to Citation Manager for <span class="search-highlight">Methods</span> to account for shallow site effects in <span class="search-highlight">hybrid</span> broadband ground-motion simulations
Includes: Supplemental Content