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National Seismic Hazard Model

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Journal Article
Published: 28 February 2018
Seismological Research Letters (2018) 89 (3): 967–970.
... seismic hazard model for southern California , Pure. Appl. Geophys. 168 , nos. 3/4 , 367 – 381 . Hamburger R. , and Project 17 Planning Committee of National Institute Building Sciences Building Seismic Safety Council 2015 . Project 17: Developing Next‐Generation Seismic Design Value...
Journal Article
Published: 06 December 2023
Bulletin of the Seismological Society of America (2024) 114 (1): 422–448.
... characterization modeling (GMCM) scheme adopted in the recent revision of New Zealand National Seismic Hazard Model (NZ NSHM 2022). In terms of impact on ground‐motion hazard, the current GMCM scheme (GMCM 2022) results in an overall, at times significant, increase in calculated mean hazard with respect to NZ NSHM...
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Journal Article
Published: 31 January 2024
Seismological Research Letters (2024) 95 (2A): 997–1029.
...Allison M. Shumway; Mark D. Petersen; Peter M. Powers; Gabriel Toro; Jason M. Altekruse; Julie A. Herrick; Kenneth S. Rukstales; Jessica A. Thompson Jobe; Alexandra E. Hatem; Demi L. Girot Abstract As part of the U.S. Geological Survey’s 2023 50‐State National Seismic Hazard Model (NSHM), we make...
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Journal Article
Published: 02 January 2024
Bulletin of the Seismological Society of America (2024) 114 (1): 182–216.
...; Jeremy Maurer; Mark S. Rattenbury; John Ristau; Danijel Schorlemmer; John Townend; Pilar Villamor; Charles Williams ABSTRACT A seismicity rate model (SRM) has been developed as part of the 2022 Aotearoa New Zealand National Seismic Hazard Model revision. The SRM consists of many component models, each...
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Journal Article
Published: 27 December 2023
Bulletin of the Seismological Society of America (2024) 114 (1): 329–349.
...) model component of the 2022 New Zealand National Seismic Hazard Model (2022 NZ NSHM). The model development process included establishing a NZ‐specific context through the creation of a new ground‐motion database, and consideration of alternative ground‐motion models (GMMs) that have been historically...
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Journal Article
Published: 11 October 2022
Seismological Research Letters (2022) 93 (6): 3170–3185.
...Yuehua Zeng Abstract A fault‐based crustal deformation model with deep driven dislocation sources is applied to estimate long‐term on‐fault slip rates and off‐fault moment rate distribution in the western United States (WUS) for the 2023 update to the National Seismic Hazard Model (NSHM...
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Journal Article
Published: 19 September 2022
Seismological Research Letters (2022) 93 (6): 3053–3067.
... a new geologic deformation model for the U.S. National Seismic Hazard Model 2023 update (NSHM23). In previous NSHM iterations, only faults with published geologic slip rates were included. In the NSHM23 fault sections database compilation, this inclusion criterion was expanded to include faults without...
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Journal Article
Published: 14 September 2022
Seismological Research Letters (2022) 93 (6): 3087–3099.
...Fred F. Pollitz Abstract The 2023 update to the National Seismic Hazard (NSHM) model is informed by several deformation models that furnish geodetically estimated fault slip rates. Here I describe a fault‐based model that permits estimation of long‐term slip rates on discrete faults...
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Journal Article
Published: 14 September 2022
Seismological Research Letters (2022) 93 (6): 3037–3052.
...Zheng‐Kang Shen; Peter Bird Abstract We develop a crustal deformation model of the western conterminous United States for the 2023 update of the National Seismic Hazard Model (NSHM). The kinematic finite‐element code NeoKinema is used to describe crustal deformation, including long‐term slip...
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Journal Article
Published: 31 August 2022
Seismological Research Letters (2022) 93 (6): 3024–3036.
...Eileen L. Evans Abstract Seismic hazard assessment, such as the U.S. Geological Survey (USGS) National Seismic Hazard Model (NSHM), relies on estimates of fault slip rate based on geology and/or geodetic observations such as the Global Navigation Satellite System (GNSS), including the Global...
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Journal Article
Published: 01 February 2020
Earthquake Spectra (2020) 36 (1): 5–41.
... M. Hoover; Brandon S. Clayton; Edward H. Field, M.EERI; Yuehua Zeng During 2017–2018, the National Seismic Hazard Model for the conterminous United States was updated as follows: (1) an updated seismicity catalog was incorporated, which includes new earthquakes that occurred from 2013 to 2017; (2...
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Journal Article
Published: 01 December 2015
Earthquake Spectra (2015) 31 (1_suppl): S31–S57.
...) for the 2014 update of the National Seismic Hazard Model (NSHM) for the conterminous United States. Construction of the seismic source models employs the methodology that was developed for the 1996 NSHM but includes new and updated data, data types, source models, and source parameters that reflect the current...
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Journal Article
Published: 01 November 2024
Earthquake Spectra (2024) 40 (4): 2545–2597.
...; Allison M Shumway; Mark D Petersen, M.EERI US Geological Survey (USGS) National Seismic Hazard Models (NSHMs) are used extensively for seismic design regulations in the United States and earthquake scenario development, as well as risk assessment and mitigation for both buildings and infrastructure...
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Journal Article
Published: 08 October 2024
Seismological Research Letters (2025) 96 (2A): 1018–1044.
... there was definitive evidence of Quaternary faulting that corroborated interpretations from previous studies. Figure 4. Geologic input databases for the 2025 National Seismic Hazard Model (NSHM25) for PRVI. The extent of the figure marks the study area. Earthquake geology sites (EQG) 11–14 and 48 lie outside...
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Journal Article
Published: 01 August 2024
Earthquake Spectra (2024) 40 (3): 1818–1844.
...Robert E Chase, M.EERI; Kishor S Jaiswal, M.EERI; Mark D Petersen, M.EERI We present earthquake scenarios developed to accompany the release of the 2023 update to the US Geological Survey National Seismic Hazard Model (NSHM). Scenarios can serve a range of local and regional needs, from developing...
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Journal Article
Published: 01 August 2024
Earthquake Spectra (2024) 40 (3): 1739–1786.
...Sanaz Rezaeian; Peter M Powers, M.EERI; Jason Altekruse; Sean K Ahdi, M.EERI; Mark D Petersen, M.EERI; Allison M Shumway; Arthur D Frankel, M.EERI; Erin A Wirth; James A Smith; Morgan P Moschetti, M.EERI; Kyle B Withers; Julie A Herrick The US Geological Survey National Seismic Hazard Models (NSHMs...
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Journal Article
Published: 31 May 2024
Bulletin of the Seismological Society of America (2024) 114 (5): 2767–2788.
... within the onshore/near‐shore, shallow component of the distributed seismicity model within the New Zealand National Seismic Hazard Model 2022. They combine a variety of spatially gridded covariates based on smoothed seismicity, strain rates, and proximity to mapped faults and plate boundaries in both...
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Journal Article
Published: 01 May 2024
Earthquake Spectra (2024) 40 (2): 1066–1098.
...-motion amplitudes related to propagation of rupture along the fault. We recently organized an effort toward incorporating these directivity effects into the US Geological Survey (USGS) National Seismic Hazard Model (NSHM), by first evaluating the community’s work and potential methods to implement...
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Journal Article
Published: 01 May 2024
Earthquake Spectra (2024) 40 (2): 1158–1190.
... the ground-motion characterization for the 2023 National Seismic Hazard Model (NSHM) for the conterminous United States. The update includes the use of new ground-motion models (GMMs) in the Cascadia subduction zone; an adjustment to the central and eastern United States (CEUS) GMMs to reduce misfits...
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Journal Article
Published: 12 April 2024
Bulletin of the Seismological Society of America (2024) 114 (4): 2028–2053.
...Andrea L. Llenos; Andrew J. Michael; Allison M. Shumway; Justin L. Rubinstein; Kirstie L. Haynie; Morgan P. Moschetti; Jason M. Altekruse; Kevin R. Milner ABSTRACT Probabilistic seismic hazard analyses such as the U.S. National Seismic Hazard Model (NSHM) typically rely on declustering...
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