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japan_2012_intro [2015/01/19 14:58] admin [The NIED 2012 Seismic Hazard Model for Japan] |
japan_2012_intro [2015/01/19 16:02] admin [Table] |
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====== The NIED 2012 Seismic Hazard Model for Japan ====== | ====== The NIED 2012 Seismic Hazard Model for Japan ====== | ||
- | The GEM hazard team is currently working in close collaboration with NIED scientists at the implementation of the 2012 (Model 2) PSHA Model for Japan. | + | <color red/white>The GEM hazard team is currently working in close collaboration with NIED scientists at the implementation of the 2012 (Model 2) PSHA Model for Japan. A proper implementation of this model requires structural changes to the hazard component of the OpenQuake-engine. These improvements will be added in 2015.</color> |
- | The Japan national model is well described in the online report prepared by the | + | The Japan national models are described in the online reports prepared by the |
<html><a href="http://www.bosai.go.jp/e/" target="_blank">National Research Institute for Earth Science and Disaster Prevention (NIED)</a></html>, downloadable from the | <html><a href="http://www.bosai.go.jp/e/" target="_blank">National Research Institute for Earth Science and Disaster Prevention (NIED)</a></html>, downloadable from the | ||
- | Japan Seismic Hazard Information Station [[http://www.j-shis.bosai.go.jp/en/ | website]] | + | Japan Seismic Hazard Information Station [[http://www.j-shis.bosai.go.jp/en/ | website]]. The report for the 2012 version is only available in Japanese; the most recent report available in english is the one describing the 2009 model [[japan_2012_intro#References | Fujiwara et al. (2009)]]. |
===== The seismic source model ===== | ===== The seismic source model ===== | ||
- | The NIED 2012 seismic source model consists of a single model containing different source typologies: | + | The NIED 2012 seismic source model contains different source typologies: |
- | * Rectangular faults | + | * Rectangular faults [Type 1] |
- | * Non-rectangular faults | + | * Non-rectangular faults [Type 2] |
- | * Discretised rectangular faults | + | * Discretised rectangular source faults [Type 3] |
- | * Gridded seismicity | + | * Discretised rectangular ruptures without specified fault sources [Type 4] |
- | * Zoning areas | + | * Zoning areas |
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This table summarises the main characteristics of the original implementation of this model | This table summarises the main characteristics of the original implementation of this model | ||
- | |< 100 5em 70% 20% >| | + | |< 100 5em 60% 40% >| |
- | ^ 1 ^ Datasets availability || | + | ^ 1 ^ Datasets availability || |
- | | 1.1 | Earthquake catalogue | This model is built using many catalogues most of them available (e.g. Utsu catalogue, JMA catalogue) | | + | | 1.1 | Earthquake catalogue | This model is built using many catalogues most of them available (e.g. Utsu catalogue, JMA catalogue) | |
- | | 1.2 | Geological database | Information about fault is distributed though the [[http://www.j-shis.bosai.go.jp/en/|J-SHIS Website]] | | + | | 1.2 | Geological database | Information about faults is distributed though the [[http://www.j-shis.bosai.go.jp/en/|J-SHIS Website]] | |
- | | 1.3 | Strong-motion database | | | + | | 1.3 | Strong-motion database | There's no direct link between a strong motion database and the GMPEs selected for the calculation of hazard based on this model. | |
- | | 1.4 | Site characterization database | | | + | | 1.4 | Site characterization database | The database describing local soil condition is available on the [[http://www.j-shis.bosai.go.jp/en/|J-SHIS Website]]. | |
- | | //Notes// | || | + | | //Notes// | || |
- | | ||| | + | | ||| |
- | ^ 2 ^ Methodology for model development || | + | ^ 2 ^ Methodology for model development || |
- | | 2.1 | Scientific participation (SSHAC levels) and review process | | | + | | 2.1 | Scientific participation (SSHAC levels) and review process | The preparation of the model follows a well defined process which involves a large portion of the Japanese scientific community. | |
- | | 2.2 | Documentation describing model preparation | | | + | | 2.2 | Documentation describing model preparation | Many of the methodologies adopted are described in [[japan_2012_intro#References| Fujiwara et al. (2009)]] | |
- | | 2.3 | Codes used for model preparation | Not available | | + | | 2.3 | Codes used for model preparation | Not available | |
- | | //Notes// | || | + | | //Notes// | || |
- | | ||| | + | | ||| |
- | ^ 3 ^ PSHA input model || | + | ^ 3 ^ PSHA input model || |
- | | 3.1 ^ Seismic Source Model || | + | | 3.1 ^ Seismic Source Model || |
- | | 3.1.1 | Area sources | Not included | | + | | 3.1.1 | Area sources | Included | |
- | | 3.1.2 | Grid sources | Included | | + | | 3.1.2 | Grid sources | Not included | |
- | | 3.1.3 | Crustal faults | Included | | + | | 3.1.3 | Crustal faults | Included | |
- | | 3.1.4 | Subduction faults | Included | | + | | 3.1.4 | Subduction faults | Included | |
- | | 3.1.5 | In-slab seismicity | Modelled as XXX | | + | | 3.1.5 | In-slab seismicity | Included | |
- | | 3.1.6 | Non-parametric ruptures | Included | | + | | 3.1.6 | Non-parametric ruptures | Included | |
- | | 3.1.7 | Magnitude-area scaling relationships | | | + | | 3.1.7 | Magnitude-area scaling relationships | See Appendix 1 of [[japan_2012_intro#References| Fujiwara et al. (2009)]] | |
- | | ||| | + | | ||| |
- | | 3.2 ^ Ground Motion Model || | + | | 3.2 ^ Ground Motion Model || |
- | | 3.2.0 | Tectonic regionalisation | Not included | | + | | 3.2.0 | Tectonic regionalisation | Included | |
- | | 3.2.1 | Models for active shallow seismicity | Included | | + | | 3.2.1 | Models for active shallow seismicity | Included | |
- | | 3.2.2 | Models for subduction interface | Included | | + | | 3.2.2 | Models for subduction interface | Included | |
- | | 3.2.3 | Models for subduction intraslab | Included | | + | | 3.2.3 | Models for subduction intraslab | Included | |
- | | 3.2.4 | Models for stable continental regions | Not included | | + | | 3.2.4 | Models for stable continental regions | Not included | |
- | | 3.2.6 | Models for volcanic areas | Not included | | + | | 3.2.6 | Models for volcanic areas | Not included | |
- | | ||| | + | | ||| |
- | | 3.3 ^ Site Response Model || | + | | 3.3 ^ Site Response Model || |
- | | 3.2.5 | Models for deep non-subduction sources | Not included | | + | | 3.2.5 | Models for deep non-subduction sources | Not included | |
- | | 3.3.1 | Based on GMPEs | Yes | | + | | 3.3.1 | Based on GMPEs | Yes | |
- | | 3.3.2 | Based on site-response analysis | No | | + | | 3.3.2 | Based on site-response analysis | No | |
- | | ||| | + | | ||| |
- | | 3.4 ^ Epistemic uncertainties ^ ^ | + | | 3.4 ^ Epistemic uncertainties ^ ^ |
- | | 3.4.1 | Seismic Source Model | Not included | | + | | 3.4.1 | Seismic Source Model | Included for some sources | |
- | | 3.4.2 | Ground Motion Model | Not included | | + | | 3.4.2 | Ground Motion Model | Not included | |
- | | 3.4.3 | Site Response Model | Not included | | + | | 3.4.3 | Site Response Model | Not included | |
- | | //Notes// | || | + | | //Notes// | || |
- | | ||| | + | | ||| |
- | ^ 4 ^ Hazard Input Description || | + | ^ 4 ^ Hazard Input Description || |
- | | 4.1 | Hazard input document | | | + | | 4.1 | Hazard input document | | |
- | | 4.2 | Input files | Available | | + | | 4.2 | Input files | Available | |
- | | //Notes// | Information describing the input can be downloaded from this website: http://www.j-shis.bosai.go.jp/ || | + | | //Notes// | Information describing the input can be downloaded from this website: http://www.j-shis.bosai.go.jp/ || |
- | | ||| | + | | ||| |
- | ^ 5 ^ Calculation || | + | ^ 5 ^ Calculation || |
- | | 5.1 | Software | Not available | | + | | 5.1 | Software | Not available | |
- | | ||| | + | | ||| |
- | | 5.2 ^ Results || | + | | 5.2 ^ Results || |
- | | 5.2.1 | Hazard curves | Available | | + | | 5.2.1 | Hazard curves | Available | |
- | | 5.2.2 | Hazard maps | Available | | + | | 5.2.2 | Hazard maps | Available | |
- | | 5.2.3 | Uniform hazard spectra | Not available | | + | | 5.2.3 | Uniform hazard spectra | Not available | |
- | | 5.2.4 | Disaggregation | Not available | | + | | 5.2.4 | Disaggregation | Not available | |
- | | 5.2.5 | Stochastic event sets | Not available | | + | | 5.2.5 | Stochastic event sets | Not available | |
- | | 5.2.6 | Ground motion fields | Not available | | + | | 5.2.6 | Ground motion fields | Not available | |
- | | //Notes// | The results of the calculation can be downloaded from this website: http://www.j-shis.bosai.go.jp/ || | + | | //Notes// | The results of the calculation can be downloaded from this website: http://www.j-shis.bosai.go.jp/ || |
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