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On Multisite Probabilistic Seismic Hazard Analysis
Bulletin of the Seismological Society of America, 2016Abstract 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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Seismic hazard analysis of Peru
International Journal of Rock Mechanics and Mining Sciences & Geomechanics Abstracts, 1992Abstract This paper provides a hazard map of Peru, showing peak ground acceleration (PGA) levels on bedrock, with a 10% probability of exceedance for a 50 yr time period. The probabilistic PGA map for Peru and adjacent areas may be used as a reference by designers and engineers to obtain the primary input for initially quantifying seismic loads ...
Sunil Sharma, Mario Candia-Gallegos
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Probabilistic Seismic Hazard Analysis for Induced Seismicity
2014Probabilistic Seismic Hazard Analysis is currently the most common approach to seismic hazard analysis. For application to induced seismicity, a major challenge is the fact that the hazard is inherently nonstationary. In this paper we describe the theoretical extension of PSHA to a non-stationary context.
Kraaijpoel D A +3 more
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SEISMIC HAZARD ANALYSIS FOR MYANMAR
Journal of Earthquake and Tsunami, 2013In this study, the seismic hazards of Myanmar are analyzed based on both deterministic and probabilistic scenarios. The area of the Sumatra–Andaman Subduction Zone is newly defined and the lines of faults proposed previously are grouped into nine earthquake sources that might affect the Myanmar region. The earthquake parameters required for the seismic
NANTHAPORN SOMSA-ARD, SANTI PAILOPLEE
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Seismic Hazard and Risk Analysis
2021Seismic hazard and risk analyses underpin the loadings prescribed by engineering design codes, the decisions by asset owners to retrofit structures, the pricing of insurance policies, and many other activities. This is a comprehensive overview of the principles and procedures behind seismic hazard and risk analysis.
Jack Baker +2 more
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Probabilistic seismic hazard analysis for seismic sequences
2013Earthquakes are typically clustered both in space and time. Seismic h azard , expressed in terms of rate of exceedance of a ground motion intensity measure , classically refers to ma i nshock s, which means that such a rate is computed filtering the rate o f occurrence of events of largest magnitude within each cluster of earthquakes.
IERVOLINO, IUNIO +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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Seismic Hazard Analysis of Lifelines
Journal of the Structural Division, 1982Methods for assessing the seismic safety of a lifeline system are developed; with part of the study being devoted to the development of a relation between the earthquake intensity and the distance for near-source regions. The attenuation of maximum ground motion intensity with distance is examined.
Jamshid Mohammadi, Alfredo H-S. Ang
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Probabilistic Seismic Hazard Analysis for Induced Seismicity
2020In 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
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A Unified Probabilistic Framework for Seismic Hazard Analysis
Bulletin of the Seismological Society of America, 2017The proper scientific interpretation of the seismic hazard estimates requires a probabilistic framework that admits epistemic uncertainties on aleatory variables. This is not straightforward because, to subjectivists, all probabilities are epistemic, whereas to frequentists, all probabilities are aleatory.We illustrate the inadequacy of purely ...
Marzocchi, W., Jordan, T. H.
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