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    • Plotting multiple fault representations: Applications for National Seismic Hazard Model 2023 update (NSHM-faultmaps)

    Metadata Updated: January 21, 2026

    The National Seismic Hazard Model (NSHM) utilizes a fault sections database (FSD) throughout the model workflow. Working towards a 2023 NSHM release, the NSHM23 FSD encompasses a major update with the addition of new fault sections, as well as the revision of existing fault sections from prior FSD (2014). The additions and revisions were largely based on the U.S. Geological Survey's Quaternary Faults and Folds Database (QFFD). The nshm-faultmaps.ipynb Jupyter Notebook (Python code) provides users with a visual, side-by-side comparison of fault representations from the QFFD, NSHM14 FSD and NSHM23 FSD. The code downloads the fault sections databases to the user's computer and plots maps of each fault based on the user's preferences.

    Access & Use Information

    Public: This dataset is intended for public access and use. License: No license information was provided. If this work was prepared by an officer or employee of the United States government as part of that person's official duties it is considered a U.S. Government Work.

    Downloads & Resources

    Dates

    Metadata Created Date January 12, 2026
    Metadata Updated Date January 21, 2026

    Metadata Source

    Harvested from DOI USGS DCAT-US

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date January 12, 2026
    Metadata Updated Date January 21, 2026
    Publisher U.S. Geological Survey
    Maintainer
    Identifier http://datainventory.doi.gov/id/dataset/USGS_6238f199d34e915b67cc4829
    Data Last Modified 2022-05-23T00:00:00Z
    Category geospatial
    Public Access Level public
    Bureau Code 010:12
    Metadata Context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
    Metadata Catalog ID https://ddi.doi.gov/usgs-data.json
    Schema Version https://project-open-data.cio.gov/v1.1/schema
    Catalog Describedby https://project-open-data.cio.gov/v1.1/schema/catalog.json
    Datagov Dedupe Retained 20260121062710
    Harvest Object Id 466d7aac-44f4-4517-9145-33a9472a91fb
    Harvest Source Id 2b80d118-ab3a-48ba-bd93-996bbacefac2
    Harvest Source Title DOI USGS DCAT-US
    Metadata Type geospatial
    Old Spatial {"type": "Polygon", "coordinates": -127.48535155741, 30.562260949399, -127.48535155741, 49.296471601182, -104.54589843332, 49.296471601182, -104.54589843332, 30.562260949399, -127.48535155741, 30.562260949399}
    Source Datajson Identifier True
    Source Hash f6d86ad5da0cb102a1bed60866cfaadf4bf88943aa6f5cffe2d7830758a5f56e
    Source Schema Version 1.1
    Spatial {"type": "Polygon", "coordinates": -127.48535155741, 30.562260949399, -127.48535155741, 49.296471601182, -104.54589843332, 49.296471601182, -104.54589843332, 30.562260949399, -127.48535155741, 30.562260949399}

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