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    • Supporting Data and Models for "An unexplained tsunami: Was there megathrust slip during the 2020 Mw7.6 Sand Point, Alaska, earthquake?"

    Metadata Updated: February 22, 2025

    This data release contains several input data and inversion output files used to model the October 19, 2020, Mw7.6 Sand Point, Alaska, earthquake and tsunami. The broadband seismic data in this data release are from globally distributed seismometers from networks G (https://doi.org/10.18715/GEOSCOPE.G), GE (https://doi.org/10.14470/TR560404), GR (https://doi.org/10.25928/mbx6-hr74), GS (https://doi.org/10.7914/SN/GS), II (https://doi.org/10.7914/SN/II), IU (https://doi.org/10.7914/SN/IU), and US (https://doi.org/10.7914/SN/US). Strong-motion accelerometer data are from network AK (https://doi.org/10.7914/SN/AK). Global Navigation Satellite System (GNSS) data are from the EarthScope (formerly UNAVCO) GNSS network (https://doi.org/10.7283/T59W0CDH, https://doi.org/10.7283/T5SF2T4X, https://doi.org/10.7283/T5VH5KS0, https://doi.org/10.7283/T5HQ3WW8, https://doi.org/10.7283/T5Z60M01, https://doi.org/10.7283/T5028PG3, https://doi.org/10.7283/T5JS9NDC, https://doi.org/10.7283/T5Q23X61, https://doi.org/10.7283/T50G3H4S, https://doi.org/10.7283/T5VX0DJ1, https://doi.org/10.7283/T5NV9G7P, https://doi.org/10.7283/T5F18WRV, https://doi.org/10.7283/T53N21DV). Coastal water level data is provided by the Intergovernmental Oceanographic Commission and operated by the National Oceanic and Atmospheric Administration (https://doi.org/10.7289/V59884XF). Deep-ocean Assessment and Reporting of Tsunamis (DART) stations are operated by the National Oceanic and Atmospheric Administration (https://doi.org/10.7289/V5F18WNS). Results from modeling these datasets are described in the interpretive manuscript: Santellanes and others (2025) An unexplained tsunami: Was there megathrust slip during the 2020 Mw7.6 Sand Point, Alaska, earthquake? Seismica. https://doi.org/10.26443/seismica.v3i2.1336.

    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.

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    Dates

    Metadata Created Date February 22, 2025
    Metadata Updated Date February 22, 2025

    Metadata Source

    Harvested from DOI EDI

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date February 22, 2025
    Metadata Updated Date February 22, 2025
    Publisher U.S. Geological Survey
    Maintainer
    @Id http://datainventory.doi.gov/id/dataset/3f20e58474c3e4636b95446de5c50b91
    Identifier USGS:64c4162cd34e70357a33d4ab
    Data Last Modified 20250107
    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://datainventory.doi.gov/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 62cb13ed-0e63-4549-a63c-e3c1c53c4683
    Harvest Source Id 52bfcc16-6e15-478f-809a-b1bc76f1aeda
    Harvest Source Title DOI EDI
    Metadata Type geospatial
    Old Spatial -165.0,50.0,-148.0,57.0
    Publisher Hierarchy White House > U.S. Department of the Interior > U.S. Geological Survey
    Source Datajson Identifier True
    Source Hash 6589891632edb35abdefd514288c6cc45a8f44b50b7e08b15adb3972271cc60a
    Source Schema Version 1.1
    Spatial {"type": "Polygon", "coordinates": -165.0, 50.0, -165.0, 57.0, -148.0, 57.0, -148.0, 50.0, -165.0, 50.0}

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