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Journal Article

Computation of Vector Hazard Using Salient Features of Seismic Hazard Deaggregation Available to Purchase

Somayajulu L. N. Dhulipala, S. M. EERI, Adrian Rodriguez-Marek, M. EERI, Madeleine M. Flint, M. EERI
Published: 01 November 2018
Earthquake Spectra (2018) 34 (4): 1893–1912.
DOI: https://doi.org/10.1193/080117EQS149M
...Somayajulu L. N. Dhulipala, S. M. EERI; Adrian Rodriguez-Marek, M. EERI; Madeleine M. Flint, M. EERI Deaggregation is one of the products of probabilistic seismic hazard analysis (PSHA) suitable for identifying the relative contributions of various magnitude-distance bins to a hazard or intensity...
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Journal Article

Displaying Seismic Deaggregation: The Importance of the Various Sources Available to Purchase

Warwick D. Smith, Stephen C. Harmsen
Published: 01 May 2010
Seismological Research Letters (2010) 81 (3): 488–497.
DOI: https://doi.org/10.1785/gssrl.81.3.488
...Warwick D. Smith; Stephen C. Harmsen © 2010 by the Seismological Society of America 2010 Seismic hazard deaggregation has become a standard part of probabilistic seismic hazard assessment (PSHA). The first product of PSHA is calculation of the likely severity of ground motion at a given...
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Journal Article

Effect of Time Dependence on Probabilistic Seismic-Hazard Maps and Deaggregation for the Central Apennines, Italy Available to Purchase

A. Akinci, F. Galadini, D. Pantosti, M. Petersen, L. Malagnini, D. Perkins
Published: 01 April 2009
Bulletin of the Seismological Society of America (2009) 99 (2A): 585–610.
DOI: https://doi.org/10.1785/0120080053
..., α of 0.3, 0.5, and 0.7, we examine the sensitivity of the probabilistic ground motion and its deaggregation to these parameters. For the seismic source model we incorporate both smoothed historical seismicity over the area and geological information on faults. We use the maximum magnitude model...
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View PDF for article title, Effect of Time Dependence on Probabilistic Seismic-Hazard Maps and <span class="search-highlight">Deaggregation</span> for the Central Apennines, Italy
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Journal Article

A Comparison of Seismic-Hazard and Risk Deaggregation Available to Purchase

H. P. Hong, K. Goda
Published: 01 December 2006
Bulletin of the Seismological Society of America (2006) 96 (6): 2021–2039.
DOI: https://doi.org/10.1785/0120050238
...H. P. Hong; K. Goda Abstract The deaggregation of seismic hazard is an effective way to identify scenario events that contribute to a selected seismic-hazard level. Depending on the use of the deaggregation results, the contribution may be defined as equal to or exceeding the selected hazard level...
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Journal Article

Deaggregation in Magnitude, Distance, and Azimuth in the South and West of the Iberian Peninsula Available to Purchase

José A. Peláez Montilla, Carlos López Casado, Jesús Henares Romero
Published: 01 August 2002
Bulletin of the Seismological Society of America (2002) 92 (6): 2177–2185.
DOI: https://doi.org/10.1785/0120010295
...José A. Peláez Montilla; Carlos López Casado; Jesús Henares Romero Abstract We present the results of the seismic deaggregation in 15 of the most important cities with the greatest seismic hazard in the south and west of the Iberian Peninsula (Spain and Portugal). The deaggregation was carried...
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Journal Article

Mean and Modal ϵ in the Deaggregation of Probabilistic Ground Motion Available to Purchase

Stephen C. Harmsen
Published: 01 December 2001
Bulletin of the Seismological Society of America (2001) 91 (6): 1537–1552.
DOI: https://doi.org/10.1785/0120000289
... ground motions with ground motions from scenario earthquakes on dominating faults, often used in seismic-resistant provisions of building codes. An interactive seismic-hazard deaggregation menu item has been added to the USGS probabilistic seismic-hazard analysis Web site, http://geohazards.cr.usgs.gov...
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Journal Article

Geographic Deaggregation of Seismic Hazard in the United States Available to Purchase

Stephen Harmsen, Arthur Frankel
Published: 01 February 2001
Bulletin of the Seismological Society of America (2001) 91 (1): 13–26.
DOI: https://doi.org/10.1785/0120000007
...Stephen Harmsen; Arthur Frankel Abstract The seismic hazard calculations for the 1996 national seismic hazard maps have been geographically deaggregated to assist in the understanding of the relative contributions of sources. These deaggregations are exhibited as maps with vertical bars whose...
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Journal Article

Deaggregation of probabilistic ground motions in the central and eastern United States Available to Purchase

Stephen Harmsen, David Perkins, Arthur Frankel
Published: 01 February 1999
Bulletin of the Seismological Society of America (1999) 89 (1): 1–13.
DOI: https://doi.org/10.1785/BSSA0890010001
... to the total seismic hazard are determined as a function of their occurrence rates and their ground-motion potential. The separation of the exceedance contributions into bins whose base dimensions are magnitude and distance is called deaggregation . We have deaggregated the hazard analyses for the new USGS...
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Image
Deaggregation of the focal mechanism. Solid lines (left-hand panels) correspond to the adopted aprioripdfs, whereas dashed lines (right-hand panels) to the deaggregated pdfs. b and b’ represent 2D pdf functions with isocontour lines. b corresponds to the a prioripdf when the normal faulting style is dominant (δ = 60°; λ = −90°). b’ is the deaggregated pdf. In this panel the strike-slip mechanism (δ = 90°; λ = 0°) has the highest probability. The apriori and the deaggregated marginal pdfs for the rake are shown in a and a’, respectively. c and c’ are associated with the dip.

Deaggregation of the focal mechanism. Solid lines (left-hand panels) corres... Available to Purchase

Published: 01 December 2004
Figure 11. Deaggregation of the focal mechanism. Solid lines (left-hand panels) correspond to the adopted a priori pdf s, whereas dashed lines (right-hand panels) to the deaggregated pdf s. b and b’ represent 2D pdf functions with isocontour lines. b corresponds to the a priori pdf when
Image
Atlanta: (a) 1-Hz deaggregation; (b) 5-Hz deaggregation.

Atlanta: (a) 1-Hz deaggregation; (b) 5-Hz deaggregation. Available to Purchase

Published: 01 December 2015
Figure 8. Atlanta: (a) 1-Hz deaggregation; (b) 5-Hz deaggregation.
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Boston: (a) 1-Hz deaggregation; (b) 5-Hz deaggregation.

Boston: (a) 1-Hz deaggregation; (b) 5-Hz deaggregation. Available to Purchase

Published: 01 December 2015
Figure 5. Boston: (a) 1-Hz deaggregation; (b) 5-Hz deaggregation.
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Washington, D.C.: (a) 1-Hz deaggregation; (b) 5-Hz deaggregation.

Washington, D.C.: (a) 1-Hz deaggregation; (b) 5-Hz deaggregation. Available to Purchase

Published: 01 December 2015
Figure 7. Washington, D.C.: (a) 1-Hz deaggregation; (b) 5-Hz deaggregation.
Image
Deaggregation graphs for the cities of (a) Auckland, (b) and (c) Wellington, (d) Christchurch, and (e) Dunedin. In all cases except for (c) the deaggregation is for 475 year PGA, for class C (shallow soil) site conditions. In the case of (c), the deaggregation is for 475 year 1 s SA to show the contribution of Hikurangi subduction interface sources at longer spectral periods.

Deaggregation graphs for the cities of (a) Auckland, (b) and (c) Wellington... Available to Purchase

Published: 01 August 2012
Figure 8. Deaggregation graphs for the cities of (a) Auckland, (b) and (c) Wellington, (d) Christchurch, and (e) Dunedin. In all cases except for (c) the deaggregation is for 475 year PGA , for class C (shallow soil) site conditions. In the case of (c), the deaggregation is for 475 year 1 s SA
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New York City: (a) 1-Hz deaggregation; (b) 5-Hz deaggregation.

New York City: (a) 1-Hz deaggregation; (b) 5-Hz deaggregation. Available to Purchase

Published: 01 December 2015
Figure 6. New York City: (a) 1-Hz deaggregation; (b) 5-Hz deaggregation.
Image
Deaggregation of magnitude and distance. Left-hand panels correspond to the noncorrected case and right-hand panels to the case in which information about focal mechanism is introduced. Thick solid lines correspond to the aprioripdfs. Thin solid lines correspond to the deaggregated pdfs when no apriori information is used. Dashed lines correspond to the deaggregated pdfs when the information about focal mechanism is used.

Deaggregation of magnitude and distance. Left-hand panels correspond to the... Available to Purchase

Published: 01 December 2004
Figure 10. Deaggregation of magnitude and distance. Left-hand panels correspond to the noncorrected case and right-hand panels to the case in which information about focal mechanism is introduced. Thick solid lines correspond to the a priori pdf s. Thin solid lines correspond
Journal Article

A framework for the rapid assessment of seismic upgrade viability using performance-based earthquake engineering Open Access

Paul Steneker, M.EERI, Lydell Wiebe, M.EERI, Andre Filiatrault, M.EERI, Dimitrios Konstantinidis, M.EERI
Published: 01 August 2022
Earthquake Spectra (2022) 38 (3): 1761–1787.
DOI: https://doi.org/10.1177/87552930211065771
...Paul Steneker, M.EERI; Lydell Wiebe, M.EERI; Andre Filiatrault, M.EERI; Dimitrios Konstantinidis, M.EERI The performance-based earthquake engineering (PBEE) methodology allows designers to deaggregate expected seismic losses in a building to a component level. This deaggregated information provides...
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Image
Deaggregation of seismic hazard at Seattle, Washington, for approximately 2% probability of exceedance in 50 years. (top) 0.2 s SA, (bottom) 1.0 s SA. All deaggregations shown in this paper are for a firm-rock site condition.

Deaggregation of seismic hazard at Seattle, Washington, for approximately 2... Available to Purchase

Published: 01 December 2015
Figure 5. Deaggregation of seismic hazard at Seattle, Washington, for approximately 2% probability of exceedance in 50 years. (top) 0.2 s SA, (bottom) 1.0 s SA. All deaggregations shown in this paper are for a firm-rock site condition.
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Interface for USGS online interactive deaggregations, including options to request GMPM deaggregation and CMS computation (reprinted with permission from USGS; see Data and Resources). The color version of this figure is available only in the electronic edition.

Interface for USGS online interactive deaggregations, including options t... Available to Purchase

Published: 01 April 2013
Figure 6. Interface for USGS online interactive deaggregations, including options to request GMPM deaggregation and CMS computation (reprinted with permission from USGS ; see Data and Resources ). The color version of this figure is available only in the electronic edition.
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Deaggregation for LADT at (a) 1 s and (b) 5 s; (c) magnitudes and site-rupture distances of selected ground motions for LADT; deaggregation for PAS at (d) 1 s and (e) 5 s; (f) magnitudes and site-rupture distances of selected ground motions for PAS.

Deaggregation for LADT at (a) 1 s and (b) 5 s; (c) magnitudes and site-rupt... Available to Purchase

Published: 01 August 2019
Figure 2. Deaggregation for LADT at (a) 1 s and (b) 5 s; (c) magnitudes and site-rupture distances of selected ground motions for LADT; deaggregation for PAS at (d) 1 s and (e) 5 s; (f) magnitudes and site-rupture distances of selected ground motions for PAS.
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The deaggregation of the hazard for an example site in Berkeley (a) for 0.2 s spectral period, (b) for 2 s spectral period; and deaggregation of the hazard for an example site in Davis (c) for 0.2 s spectral period, (d) for 2 s spectral period.

The deaggregation of the hazard for an example site in Berkeley (a) for 0.2... Available to Purchase

Published: 01 November 2011
Figure 18. The deaggregation of the hazard for an example site in Berkeley (a) for 0.2 s spectral period, (b) for 2 s spectral period; and deaggregation of the hazard for an example site in Davis (c) for 0.2 s spectral period, (d) for 2 s spectral period.