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    • This is a Non-Federal dataset covered by different Terms of Use than Data.gov.

    ECA Potential Slide Areas

    Metadata Updated: February 28, 2025

    Displays areas with potential landslides in the City of Seattle.A polygon feature class showing potential landslide areas. Used to implement and regulate the City of Seattle's Environmentally Critical Areas (ECA) policies. Last updated in 2001 via the Seattle Landslide Study.  The original data was created from City of Seattle State Environmental Policy Act (SEPA) maps which table digitized in 1995 by Donald Tubbs. Shannon & Wilson added runoff zones & edge smoothing.Areas with indications of past landslide activity, such as landslide headscarps and sidescarps, hummocky terrain, areas with geologic conditions that can promote earth movement, and areas with signs of potential landsliding, such as springs, groundwater seepage, and bowed or backtilted trees. For more information about the definition of potential landslide areas, see Seattle Municipal Code section 25.09.012, Environmentally Critical Areas (ECA) definitions.Updated as needed.

    Access & Use Information

    Public: This dataset is intended for public access and use. Non-Federal: This dataset is covered by different Terms of Use than Data.gov. License: No license information was provided.

    Downloads & Resources

    Dates

    Metadata Created Date July 16, 2023
    Metadata Updated Date February 28, 2025

    Metadata Source

    Harvested from Seattle JSON

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date July 16, 2023
    Metadata Updated Date February 28, 2025
    Publisher City of Seattle ArcGIS Online
    Maintainer
    Identifier https://www.arcgis.com/home/item.html?id=7d8ce257b2dd4a9baeb8ef8b35be4005&sublayer=7
    Data First Published 2023-07-06
    Data Last Modified 2024-08-08
    Category geospatial
    Public Access Level public
    Metadata Context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
    Metadata Catalog ID https://cos-data.seattle.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 d9501946-668d-485a-b35a-2778fd8f74c9
    Harvest Source Id f61de7a2-69cf-40a9-a1bc-dd9edb8f3fe5
    Harvest Source Title Seattle JSON
    Homepage URL https://data-seattlecitygis.opendata.arcgis.com/datasets/SeattleCityGIS::eca-potential-slide-areas-1
    Metadata Type geospatial
    Old Spatial -122.4251,47.4974,-122.2421,47.7359
    Source Datajson Identifier True
    Source Hash a84f4d7103a194295cd82ea656041f16775fb4c4c96a744f20f96e2a90599387
    Source Schema Version 1.1
    Spatial {"type": "Polygon", "coordinates": -122.4251, 47.4974, -122.4251, 47.7359, -122.2421, 47.7359, -122.2421, 47.4974, -122.4251, 47.4974}

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