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    • Conterminous U.S. Seismicity Catalogs

    Metadata Updated: January 7, 2026

    Based on the ComCat (2022) and following the methods of Mueller (2019) earthquake database, the eight catalogs of seismicity for the conterminous United States was developed for the purposes of accurate seismic hazard evaluations for the National Seismic Hazard Model (NSHM) of 2023.

    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 7, 2026
    Metadata Updated Date January 7, 2026

    Metadata Source

    Harvested from DOI USGS DCAT-US

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date January 7, 2026
    Metadata Updated Date January 7, 2026
    Publisher U.S. Geological Survey
    Maintainer
    Identifier http://datainventory.doi.gov/id/dataset/USGS_64ff902fd34ed30c2057b527
    Data Last Modified 2023-12-21T00:00:00Z
    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
    Harvest Object Id b52ffd86-8614-4101-8085-6b43d4eaf31a
    Harvest Source Id 2b80d118-ab3a-48ba-bd93-996bbacefac2
    Harvest Source Title DOI USGS DCAT-US
    Metadata Type geospatial
    Old Spatial -126.9000, 23.0780, -60.0000, 53.0000
    Source Datajson Identifier True
    Source Hash 9b523c46dad143d7935ebab6cfcaa784a71971ad43a00aed817aaa97015b5b11
    Source Schema Version 1.1
    Spatial {"type": "Polygon", "coordinates": -126.9000, 23.0780, -126.9000, 53.0000, -60.0000, 53.0000, -60.0000, 23.0780, -126.9000, 23.0780}

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