The use and misuse of logic trees in probabilistic seismic hazard analysis

JJ Bommer, F Scherbaum - Earthquake Spectra, 2008 - journals.sagepub.com
Logic trees have become a standard feature of probabilistic seismic hazard analyses
(PSHA) for determining design ground motions. A logic tree's purpose is to capture and …

Challenges of building logic trees for probabilistic seismic hazard analysis

JJ Bommer - Earthquake Spectra, 2012 - journals.sagepub.com
In the current practice of probabilistic seismic hazard analysis (PSHA), logic trees are widely
used to represent and capture epistemic uncertainty in each element of the models for …

Probability and uncertainty in seismic hazard analysis

NA Abrahamson, JJ Bommer - Earthquake spectra, 2005 - journals.sagepub.com
In the current practice of probabilistic seismic hazard analysis (PSHA) using logic trees, it is
common to use the mean hazard curve to determine ground motions for engineering design …

Logic tree branch weights and probabilities: Summing up to one is not enough

F Scherbaum, NM Kuehn - Earthquake Spectra, 2011 - journals.sagepub.com
Logic trees have become the most popular tool for the quantification of epistemic
uncertainties in probabilistic seismic hazard assessment (PSHA). In a logic-tree framework …

Composite ground-motion models and logic trees: methodology, sensitivities, and uncertainties

F Scherbaum, JJ Bommer… - Bulletin of the …, 2005 - pubs.geoscienceworld.org
Logic trees have become a popular tool in seismic hazard studies. Commonly, the models
corresponding to the end branches of the complete logic tree in a probabalistic seismic …

Sensitivity of PSHA results to ground motion prediction relations and logic-tree weights

F Sabetta, A Lucantoni, H Bungum… - Soil dynamics and …, 2005 - Elsevier
Epistemic uncertainty in ground motion prediction relations is recognized as an important
factor to be considered in probabilistic seismic hazard analysis (PSHA), together with the …

Accounting for epistemic uncertainty in PSHA: Logic tree and ensemble modeling

W Marzocchi, M Taroni, J Selva - Bulletin of the …, 2015 - pubs.geoscienceworld.org
Any trustworthy probabilistic seismic‐hazard analysis (PSHA) has to account for the intrinsic
variability of the system (aleatory variability) and the limited knowledge of the system itself …

How to combine deterministic and probabilistic methods for assessing earthquake hazards

EL Krinitzsky - Engineering Geology, 2003 - Elsevier
Deterministic seismic hazard analysis (DSHA) and probabilistic seismic hazard analysis
(PSHA) are incompatible methods. DSHA is based on geology and is attuned to physical …

On the use of logic trees for ground-motion prediction equations in seismic-hazard analysis

JJ Bommer, F Scherbaum… - Bulletin of the …, 2005 - pubs.geoscienceworld.org
Logic trees are widely used in probabilistic seismic hazard analysis as a tool to capture the
epistemic uncertainty associated with the seismogenic sources and the ground-motion …

Capturing epistemic uncertainty in site response

A Rodriguez-Marek, JJ Bommer… - Earthquake …, 2021 - journals.sagepub.com
The incorporation of local amplification factors (AFs) determined through site response
analyses has become standard practice in site-specific probabilistic seismic hazard analysis …