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Landslide Hazards along River Corridors - Top of internal landslides (steep slopes on top of a smaller slide within a larger slide) [Washington (State)--King County]

King County · 2025 Full Details

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Title
Landslide Hazards along River Corridors - Top of internal landslides (steep slopes on top of a smaller slide within a larger slide) [Washington (State)--King County]
Description
For more information about this layer please see the GIS Data Catalog . Where fluvial or coastal erosion has created steep, high slopes in glacial sediments, these slopes sometimes fail in large, deep-seated landslides. The segregation of landslides into deep and shallow is somewhat arbitrary and different investigators have used different criteria to differentiate these landslides. For this project, the differentiation follows the criteria proposed by Burns and Madin (2009) that deep-seated slides extend to a depth of more than 15 ft. (4.6 m.). In general this corresponds to individual landslides which are large enough to be distinct on hillshade images generated from LiDAR data. For this mapping, deep-seated landslides may include features where the failure plane is more than 15 ft. deep or where landslide debris accumulates to a depth of more than 15 ft. In King County, a variety of landslide types occur at a scale that may create deep-seated landslides.
Creator
King County
Temporal Coverage
Last Modified: 2025-07-23
Date Issued
2025-07-23
Rights
Use Constraint: King County data are made available with the understanding that they shall be used exclusively by the obtainer or their authorized agents. Digital products may not be reproduced or redistributed in any form or by any means without the express written authorization of King County.
Access Rights
Public
Format
ArcGIS FeatureLayer
Language
English
Date Added
December 15, 2025
Provenance Statement
The metadata for this resource was last retrieved from King County GIS Open Data on 2025-12-15.

Links

Cite and Reference

  • Citation
    King County (2025). Landslide Hazards along River Corridors - Top of internal landslides (steep slopes on top of a smaller slide within a larger slide) [Washington (State)--King County]. . https://gis-kingcounty.opendata.arcgis.com/datasets/kingcounty::landslide-hazards-along-river-corridors-top-of-internal-landslides-steep-slopes-on-top-of-a-smaller-slide-within-a-larger-slide (web service)
  • BTAA Geoportal Link

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