Results 231 to 240 of about 3,598 (283)
Sequence-Based Probabilistic Seismic Hazard Analysis
Bulletin of the Seismological Society of America, 2014 Abstract Earthquakes are typically clustered both in space and time. Only mainshocks, the largest magnitude events within each cluster, are considered by classical seismic hazard, which is expressed in terms of rate of exceedance of a ground‐motion intensity measure at a site of interest (Cornell, 1968).
IERVOLINO, IUNIO +2 more
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Probabilistic Seismic Hazard Analysis for Induced Seismicity
, 2020 In recent times, there has been increased seismicity in geologically stable basins in North America, thought to be associated with hydraulic fracturing and/or waste water disposal activities. Induced events could generate a seismic hazard higher than natural seismicity, particularly in areas with small-to-moderate natural background seismicity, leading
Reyes Canales, Mauricio
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On Multisite Probabilistic Seismic Hazard Analysis
Bulletin of the Seismological Society of America, 2016 Abstract Seismic hazard assessment, in its classical format, models the stochastic process of occurrence of earthquakes causing the exceedance of ground‐motion intensity measure (IM) thresholds at a specific site. This is because civil structures typically require probabilistic seismic hazard analysis (PSHA) for one location.
Giorgio, Massimiliano, IERVOLINO, IUNIO
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A new procedure for probabilistic seismic hazard analysis
, 2011 In the Performance-Based Seismic Design framework, the development of an appropriate “Probabilistic Seismic Hazard Analysis” which allows to statistically characterize the seismic input at the site of an engineering project becomes of crucial importance. The objective of the hazard analysis is to compute, for a given site over a given observation time,
GASPARINI, GIADA +2 more
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Some Thoughts on Declustering in Probabilistic Seismic-Hazard Analysis
Bulletin of the Seismological Society of America, 2014 Abstract In this paper, we discuss in depth, one of the basic procedures that stands behind probabilistic seismic‐hazard analysis (PSHA), that is, the declustering of the seismicity rates. First, we explore the technical, scientific, and practical motivations that led to introducing the declustering of seismicity rates.
Marzocchi, W., Taroni, M.
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Error inflation in Probabilistic Seismic Hazard Analysis
Engineering Geology, 2007Based on a consistent interpretation of earthquake occurrence as a stochastic process I demonstrate that the mathematical model of Probabilistic Seismic Hazard Analysis (PSHA) as it is in use today is inaccurate and leads to systematic errors in the calculation process.
Jens-Uwe Klügel
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Probabilistic seismic hazard analysis model for the Philippines
Earthquake Spectra, 2020The Philippine archipelago is tectonically complex and seismically hazardous, yet few seismic hazard assessments have provided national coverage. This article presents an updated probabilistic seismic hazard analysis for the nation.
Kendra L Johnson +2 more
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A Proposed Approach for Probabilistic Seismic Hazard Analysis
Earth and Space 2010, 2010 This paper focuses on the identification of groups of uniform hazard (acceleration) time-histories for Performance Based Seismic Design applications. In detail, on the basis of a peculiar Probabilistic Seismic Hazard Analysis, the characteristics that a group of earthquake inputs must possess in order to be associated to a given exceedance probability ...
GASPARINI, GIADA +2 more
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The Effect of Seismic Sequences in Probabilistic Seismic Hazard Analysis
Bulletin of the Seismological Society of America, 2022ABSTRACTTraditionally, probabilistic seismic hazard analysis (PSHA) considers only mainshock events and models their temporal occurrence through a homogeneous Poisson process. Thus, it disregards foreshocks and aftershocks, assuming they have a minor effect on PSHA.
Nevena Šipčić +4 more
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