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Damiano Spina - One of the best experts on this subject based on the ideXlab platform.
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HSM: a synthetic damage-constrained Seismic Hazard parameter
Bulletin of Earthquake Engineering, 2019Co-Authors: F Mori, I. Gaudiosi, F. Bramerini, S. Castenetto, Gaetano Naso, Elisabetta Tarquini, Damiano SpinaAbstract:A comprehensive treatment of Seismic risk requires a reliable Seismic Hazard assessment. For this purpose, authors propose here the application of a synthetic damage-constrained parameter (named as HSM) which establishes, in three chosen vibration period ranges of engineering interest, an absolute ranking of Seismic Hazard. It includes the regional Seismic Hazard and the amplification due to the geological and geophysical setting of such areas of the Italian territory where the results of Seismic microzonation studies are available. The purpose behind the application of this new parameter is providing new elements for effective implementation of Seismic risk prevention and mitigation policies. In particular, a methodology is defined for individuating the thresholds values of the HSM parameter that classify the territory according to an increasing Hazard scale, coupling with a theoretical expected average damage. In order to enhance the robustness of this methodology, a tempt of validation using experimental data is described in Appendix 1. The aforementioned scale of representation is applied on the dataset of the Seismic microzonation studies conducted in 137 municipalities in Central Italy after the Mw 6.0 earthquake of 24 August 2016, providing for these centers realistic estimates of the overall Seismic Hazard. As future perspectives, it is shown how the inclusion of this parameter in urban planning and Seismic design may help reaching different outcomes. In particular, in this paper it is discussed the effective contribution of HSM at: (i) helping decision makers to highlight priority intervention areas; (ii) defining best practices for existing structures, such as specific response studies, where higher overall Seismic Hazard values are expected.
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H_SM: a synthetic damage-constrained Seismic Hazard parameter
Bulletin of Earthquake Engineering, 2019Co-Authors: F Mori, I. Gaudiosi, F. Bramerini, S. Castenetto, Gaetano Naso, Elisabetta Tarquini, Damiano SpinaAbstract:A comprehensive treatment of Seismic risk requires a reliable Seismic Hazard assessment. For this purpose, authors propose here the application of a synthetic damage-constrained parameter (named as H_SM) which establishes, in three chosen vibration period ranges of engineering interest, an absolute ranking of Seismic Hazard. It includes the regional Seismic Hazard and the amplification due to the geological and geophysical setting of such areas of the Italian territory where the results of Seismic microzonation studies are available. The purpose behind the application of this new parameter is providing new elements for effective implementation of Seismic risk prevention and mitigation policies. In particular, a methodology is defined for individuating the thresholds values of the H_SM parameter that classify the territory according to an increasing Hazard scale, coupling with a theoretical expected average damage. In order to enhance the robustness of this methodology, a tempt of validation using experimental data is described in Appendix 1. The aforementioned scale of representation is applied on the dataset of the Seismic microzonation studies conducted in 137 municipalities in Central Italy after the Mw 6.0 earthquake of 24 August 2016, providing for these centers realistic estimates of the overall Seismic Hazard. As future perspectives, it is shown how the inclusion of this parameter in urban planning and Seismic design may help reaching different outcomes. In particular, in this paper it is discussed the effective contribution of H_SM at: (i) helping decision makers to highlight priority intervention areas; (ii) defining best practices for existing structures, such as specific response studies, where higher overall Seismic Hazard values are expected.
F Mori - One of the best experts on this subject based on the ideXlab platform.
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HSM: a synthetic damage-constrained Seismic Hazard parameter
Bulletin of Earthquake Engineering, 2019Co-Authors: F Mori, I. Gaudiosi, F. Bramerini, S. Castenetto, Gaetano Naso, Elisabetta Tarquini, Damiano SpinaAbstract:A comprehensive treatment of Seismic risk requires a reliable Seismic Hazard assessment. For this purpose, authors propose here the application of a synthetic damage-constrained parameter (named as HSM) which establishes, in three chosen vibration period ranges of engineering interest, an absolute ranking of Seismic Hazard. It includes the regional Seismic Hazard and the amplification due to the geological and geophysical setting of such areas of the Italian territory where the results of Seismic microzonation studies are available. The purpose behind the application of this new parameter is providing new elements for effective implementation of Seismic risk prevention and mitigation policies. In particular, a methodology is defined for individuating the thresholds values of the HSM parameter that classify the territory according to an increasing Hazard scale, coupling with a theoretical expected average damage. In order to enhance the robustness of this methodology, a tempt of validation using experimental data is described in Appendix 1. The aforementioned scale of representation is applied on the dataset of the Seismic microzonation studies conducted in 137 municipalities in Central Italy after the Mw 6.0 earthquake of 24 August 2016, providing for these centers realistic estimates of the overall Seismic Hazard. As future perspectives, it is shown how the inclusion of this parameter in urban planning and Seismic design may help reaching different outcomes. In particular, in this paper it is discussed the effective contribution of HSM at: (i) helping decision makers to highlight priority intervention areas; (ii) defining best practices for existing structures, such as specific response studies, where higher overall Seismic Hazard values are expected.
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H_SM: a synthetic damage-constrained Seismic Hazard parameter
Bulletin of Earthquake Engineering, 2019Co-Authors: F Mori, I. Gaudiosi, F. Bramerini, S. Castenetto, Gaetano Naso, Elisabetta Tarquini, Damiano SpinaAbstract:A comprehensive treatment of Seismic risk requires a reliable Seismic Hazard assessment. For this purpose, authors propose here the application of a synthetic damage-constrained parameter (named as H_SM) which establishes, in three chosen vibration period ranges of engineering interest, an absolute ranking of Seismic Hazard. It includes the regional Seismic Hazard and the amplification due to the geological and geophysical setting of such areas of the Italian territory where the results of Seismic microzonation studies are available. The purpose behind the application of this new parameter is providing new elements for effective implementation of Seismic risk prevention and mitigation policies. In particular, a methodology is defined for individuating the thresholds values of the H_SM parameter that classify the territory according to an increasing Hazard scale, coupling with a theoretical expected average damage. In order to enhance the robustness of this methodology, a tempt of validation using experimental data is described in Appendix 1. The aforementioned scale of representation is applied on the dataset of the Seismic microzonation studies conducted in 137 municipalities in Central Italy after the Mw 6.0 earthquake of 24 August 2016, providing for these centers realistic estimates of the overall Seismic Hazard. As future perspectives, it is shown how the inclusion of this parameter in urban planning and Seismic design may help reaching different outcomes. In particular, in this paper it is discussed the effective contribution of H_SM at: (i) helping decision makers to highlight priority intervention areas; (ii) defining best practices for existing structures, such as specific response studies, where higher overall Seismic Hazard values are expected.
Domenico Giardini - One of the best experts on this subject based on the ideXlab platform.
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Seismic Hazard map of the Middle East
Bulletin of Earthquake Engineering, 2018Co-Authors: Domenico Giardini, Sinan Akkar, Laurentiu Danciu, Mustafa Erdik, Karin Şeşetyan, Mine Betül Demircioğlu Tümsa, Levent Gülen, Mehdi ZareAbstract:The collaborative project Earthquake Model of the Middle East (EMME, 2010–2015) brought together scientists and engineers from the leading research institutions in the region and delivered state-of-the-art Seismic Hazard assessment covering Afghanistan, Armenia, Azerbaijan, Cyprus, Georgia, Iran, Iraq, Jordan, Lebanon, Palestine, Pakistan, Syria and Turkey. Their efforts have been materialized in the first homogenized Seismic Hazard model comprising earthquake catalogues, mapped active faults, strong motions databank, ground motion models and the estimated ground motion values for various intensity measure types and relevant return periods (e.g. 475–5000 years). The reference Seismic Hazard map of the Middle East, depicts the mean values of peak ground acceleration with a 10% chance of exceedance in 50 years, corresponding to a mean return period of 475 years. A full resolution poster is provided with this contribution.
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Global Seismic Hazard Assessment Program - GSHAP legacy
Annals of Geophysics, 2015Co-Authors: Laurentiu Danciu, Domenico GiardiniAbstract:Global Seismic Hazard Assessment Program - or simply GSHAP, when launched, almost two decades ago, aimed at establishing a common framework to evaluate the Seismic Hazard over geographical large-scales, i.e. countries, regions, continents and finally the globe. Its main product, the global Seismic Hazard map was a milestone, unique at that time and for a decade have served as the main reference worldwide. Today, for most of the Earth’s Seismically active regions such Europe, Northern and Southern America, Central and South-East Asia, Japan, Australia, New Zealand, the GSHAP Seismic Hazard map is outdated. The rapid increase of the new data, advance on the earthquake process knowledge, technological progress, both hardware and software, contributed all in updates of the Seismic Hazard models. We present herein, a short retrospective overview of the achievements as well as the pitfalls of the GSHAP. Further, we describe the next generation of Seismic Hazard models, as elaborated within the Global Earthquake Model, regional programs: the 2013 European Seismic Hazard Model, the 2014 Earthquake Model for Middle East, and the 2015 Earthquake Model of Central Asia. Later, the main characteristics of these regional models are summarized and the new datasets fully harmonized across national borders are illustrated for the first time after the GSHAP completion.
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74 - The GSHAP Global Seismic Hazard Map
International Geophysics, 2003Co-Authors: Domenico Giardini, Gottfried Gruenthal, Kaye M. Shedlock, Peizhen ZhangAbstract:This chapter summarizes the development and achievements of the GSHAP and the compilation of the Global Seismic Hazard Map. The Global Seismic Hazard Assessment Program (GSHAP) was designed to provide a useful global Seismic Hazard framework and to serve as a resource for national and regional agencies, by coordinating national efforts in multi-national regional-scale projects, by reaching a consensus on the scientific methodologies for Seismic Hazard evaluation and by ensuring that the most advanced methodologies are available worldwide through technology transfer and educational programs. Seismic Hazard is defined as a probabilistic measure of earthquake ground shaking at a given location. The assessment of Seismic Hazard is the first step in the evaluation of the Seismic risk, obtained by combining the Seismic Hazard with local site effects (anomalous amplifications tied to soil conditions, local geology, and topography) and with the vulnerability factors (type, value, and age of buildings and infrastructures, population density, land use, date and time of the day). The GSHAP Global Seismic Hazard Map is the first reference map for Seismic Hazard on a global scale, expressing the probability of ground shaking in a parameter of engineering interest (PGA), and the first obtained by the close collaboration of the scientists responsible for national Seismic Hazard zonations.
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The GSHAP Global Seismic Hazard Map
Seismological Research Letters, 2000Co-Authors: Kaye M. Shedlock, Domenico Giardini, Gottfried Grünthal, Peizhen ZhangAbstract:Minimization of the loss of life, property damage, and social and economic disruption due to earthquakes depends on reliable estimates of Seismic Hazard. National, state, and local governments, decision makers, engineers, planners, emergency response organizations, builders, universities, and the general public require Seismic Hazard estimates for land use planning, improved building design and construction (including adoption of building construction codes), emergency response preparedness plans, economic forecasts, housing and employment decisions, and many more types of risk mitigation. The Global Seismic Hazard Assessment Program (GSHAP) was designed to assist in global risk mitigation by providing a useful global Seismic Hazard framework and by serving as a resource for any national or regional agency for further detailed studies applicable to their needs. GSHAP was launched in 1992 by the International Lithosphere Program (ILP) with the support of the International Council of Scientific Unions (ICSU) and endorsed as a demonstration program in the framework of the United Nations International Decade for Natural Disaster Reduction (UN/IDNDR). GSHAP promoted a regionally coordinated, homogeneous approach to Seismic Hazard evaluation, including the production and distribution of the Global Seismic Hazard Map (GSH Map), a special issue of Annali di Geofisica (December 1999) describing the map and project, and a Web site (http://seismo.ethz.ch/GSHAP/) containing regional reports, GSHAP yearly reports, summaries, and maps of Seismicity, source zones, and Seismic Hazard values. The GSHAP strategy was to establish a mosaic of regions under the coordination of regional centers (Figure 1). The goal in the first implementation phase (1993-1995) was to establish for each region or test area a working group of national experts covering the different fields required for Seismic Hazard assessment, to produce common regional earthquake catalogs and databases, and to assess the regional Seismic Hazard. The second phase (1995-1998) of GSHAP involved expansion of these regional efforts to …
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The GSHAP Global Seismic Hazard Map
Annals of Geophysics, 1999Co-Authors: Domenico Giardini, Kaye M. Shedlock, Gottfried Grünthal, Peizhen ZhangAbstract:The Global Seismic Hazard Assessment Program (GSHAP), a demonstration project of the UN/International Decade of Natural Disaster Reduction, was conducted in the 1992-1998 period with the goal of improving global standards in Seismic Hazard assessment. The GSHAP Global Seismic Hazard Map has been compiled by joining the regional maps produced for different GSHAP regions and test areas; it depicts the global Seismic Hazard as Peak Ground Acceleration (PGA) with a 10% chance of exceedance in 50 years, corresponding to a return period of 475 years.
Gaetano Naso - One of the best experts on this subject based on the ideXlab platform.
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HSM: a synthetic damage-constrained Seismic Hazard parameter
Bulletin of Earthquake Engineering, 2019Co-Authors: F Mori, I. Gaudiosi, F. Bramerini, S. Castenetto, Gaetano Naso, Elisabetta Tarquini, Damiano SpinaAbstract:A comprehensive treatment of Seismic risk requires a reliable Seismic Hazard assessment. For this purpose, authors propose here the application of a synthetic damage-constrained parameter (named as HSM) which establishes, in three chosen vibration period ranges of engineering interest, an absolute ranking of Seismic Hazard. It includes the regional Seismic Hazard and the amplification due to the geological and geophysical setting of such areas of the Italian territory where the results of Seismic microzonation studies are available. The purpose behind the application of this new parameter is providing new elements for effective implementation of Seismic risk prevention and mitigation policies. In particular, a methodology is defined for individuating the thresholds values of the HSM parameter that classify the territory according to an increasing Hazard scale, coupling with a theoretical expected average damage. In order to enhance the robustness of this methodology, a tempt of validation using experimental data is described in Appendix 1. The aforementioned scale of representation is applied on the dataset of the Seismic microzonation studies conducted in 137 municipalities in Central Italy after the Mw 6.0 earthquake of 24 August 2016, providing for these centers realistic estimates of the overall Seismic Hazard. As future perspectives, it is shown how the inclusion of this parameter in urban planning and Seismic design may help reaching different outcomes. In particular, in this paper it is discussed the effective contribution of HSM at: (i) helping decision makers to highlight priority intervention areas; (ii) defining best practices for existing structures, such as specific response studies, where higher overall Seismic Hazard values are expected.
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H_SM: a synthetic damage-constrained Seismic Hazard parameter
Bulletin of Earthquake Engineering, 2019Co-Authors: F Mori, I. Gaudiosi, F. Bramerini, S. Castenetto, Gaetano Naso, Elisabetta Tarquini, Damiano SpinaAbstract:A comprehensive treatment of Seismic risk requires a reliable Seismic Hazard assessment. For this purpose, authors propose here the application of a synthetic damage-constrained parameter (named as H_SM) which establishes, in three chosen vibration period ranges of engineering interest, an absolute ranking of Seismic Hazard. It includes the regional Seismic Hazard and the amplification due to the geological and geophysical setting of such areas of the Italian territory where the results of Seismic microzonation studies are available. The purpose behind the application of this new parameter is providing new elements for effective implementation of Seismic risk prevention and mitigation policies. In particular, a methodology is defined for individuating the thresholds values of the H_SM parameter that classify the territory according to an increasing Hazard scale, coupling with a theoretical expected average damage. In order to enhance the robustness of this methodology, a tempt of validation using experimental data is described in Appendix 1. The aforementioned scale of representation is applied on the dataset of the Seismic microzonation studies conducted in 137 municipalities in Central Italy after the Mw 6.0 earthquake of 24 August 2016, providing for these centers realistic estimates of the overall Seismic Hazard. As future perspectives, it is shown how the inclusion of this parameter in urban planning and Seismic design may help reaching different outcomes. In particular, in this paper it is discussed the effective contribution of H_SM at: (i) helping decision makers to highlight priority intervention areas; (ii) defining best practices for existing structures, such as specific response studies, where higher overall Seismic Hazard values are expected.
F. Bramerini - One of the best experts on this subject based on the ideXlab platform.
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HSM: a synthetic damage-constrained Seismic Hazard parameter
Bulletin of Earthquake Engineering, 2019Co-Authors: F Mori, I. Gaudiosi, F. Bramerini, S. Castenetto, Gaetano Naso, Elisabetta Tarquini, Damiano SpinaAbstract:A comprehensive treatment of Seismic risk requires a reliable Seismic Hazard assessment. For this purpose, authors propose here the application of a synthetic damage-constrained parameter (named as HSM) which establishes, in three chosen vibration period ranges of engineering interest, an absolute ranking of Seismic Hazard. It includes the regional Seismic Hazard and the amplification due to the geological and geophysical setting of such areas of the Italian territory where the results of Seismic microzonation studies are available. The purpose behind the application of this new parameter is providing new elements for effective implementation of Seismic risk prevention and mitigation policies. In particular, a methodology is defined for individuating the thresholds values of the HSM parameter that classify the territory according to an increasing Hazard scale, coupling with a theoretical expected average damage. In order to enhance the robustness of this methodology, a tempt of validation using experimental data is described in Appendix 1. The aforementioned scale of representation is applied on the dataset of the Seismic microzonation studies conducted in 137 municipalities in Central Italy after the Mw 6.0 earthquake of 24 August 2016, providing for these centers realistic estimates of the overall Seismic Hazard. As future perspectives, it is shown how the inclusion of this parameter in urban planning and Seismic design may help reaching different outcomes. In particular, in this paper it is discussed the effective contribution of HSM at: (i) helping decision makers to highlight priority intervention areas; (ii) defining best practices for existing structures, such as specific response studies, where higher overall Seismic Hazard values are expected.
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H_SM: a synthetic damage-constrained Seismic Hazard parameter
Bulletin of Earthquake Engineering, 2019Co-Authors: F Mori, I. Gaudiosi, F. Bramerini, S. Castenetto, Gaetano Naso, Elisabetta Tarquini, Damiano SpinaAbstract:A comprehensive treatment of Seismic risk requires a reliable Seismic Hazard assessment. For this purpose, authors propose here the application of a synthetic damage-constrained parameter (named as H_SM) which establishes, in three chosen vibration period ranges of engineering interest, an absolute ranking of Seismic Hazard. It includes the regional Seismic Hazard and the amplification due to the geological and geophysical setting of such areas of the Italian territory where the results of Seismic microzonation studies are available. The purpose behind the application of this new parameter is providing new elements for effective implementation of Seismic risk prevention and mitigation policies. In particular, a methodology is defined for individuating the thresholds values of the H_SM parameter that classify the territory according to an increasing Hazard scale, coupling with a theoretical expected average damage. In order to enhance the robustness of this methodology, a tempt of validation using experimental data is described in Appendix 1. The aforementioned scale of representation is applied on the dataset of the Seismic microzonation studies conducted in 137 municipalities in Central Italy after the Mw 6.0 earthquake of 24 August 2016, providing for these centers realistic estimates of the overall Seismic Hazard. As future perspectives, it is shown how the inclusion of this parameter in urban planning and Seismic design may help reaching different outcomes. In particular, in this paper it is discussed the effective contribution of H_SM at: (i) helping decision makers to highlight priority intervention areas; (ii) defining best practices for existing structures, such as specific response studies, where higher overall Seismic Hazard values are expected.
