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CAR__GEOHAZARDS__SEISMIC__liquefaction_susceptibility
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Projected
GCS_North_American_1983
Linear Unit: Foot_US (0.304801)
NAD_1983_StatePlane_Washington_North_FIPS_4601_Feet
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File Geodatabase Feature Class
Enterprise Geodatabase Feature Class
SCD_GIS_PROD.SCD_GDBA.CAR__GEOHAZARDS__SEISMIC__liquefaction_susceptibility
vector digital data
<DIV STYLE="text-align:Left;"><DIV><P><SPAN>The polygons in this dataset provide information regarding relative liquefaction potential across Washington State. Liquefaction is a natural phenomenon in which saturated, sandy soils lose their strength and behave as a liquid. Liquefaction is caused by severe ground shaking during earthquake events. Please note that it is only a general guide, and does not incorporate other factors affecting the actual severity of ground shaking, such as earthquake size or the distance of the area in question from the earthquake's focus. Polygons are classified as having 'very low' to 'high' relative liquefaction susceptibility. Areas underlain by bedrock or peat are mapped separately, as these earth materials are not liquefiable, although peat deposits may be subject to permanent ground deformation caused by earthquake shaking and require site-specific analysis under the International Building Code. Water and ice are also separately designated. Liquefaction susceptibility is assigned based on criteria described in: Palmer, Stephen P.; Magsino, Sammantha L.; Bilderback, Eric L.; Poelstra, James L.; Folger, Derek S.; Niggemann, Rebecca A., 2007, Liquefaction susceptibility and site class maps of Washington State, by county: Washington Division of Geology and Earth Resources Open File Report 2004-20, 78 plates, with 45 p. text.</SPAN></P></DIV></DIV>
Liquefaction potential for Washington State using geologic mapping at 1:100,000-scale.
Palmer, Stephen P.; Magsino, Sammantha L.; Bilderback, Eric L.; Poelstra, James L.; Folger, Derek S.; Niggemann, Rebecca A., 2007, Liquefaction susceptibility and site class maps of Washington State, by county: Washington Division of Geology and Earth Resources Open File Report 2004-20, [78 plates, 45 p. text].
hazards
landslide
liquefaction
ground failure
relative earthquake hazard
Washington
geology
hazards
landslide
liquefaction
ground failure
relative earthquake hazard
Washington
geology
<DIV STYLE="text-align:Left;"><DIV><P><SPAN>This digital data and metadata (hereinafter collectively referred to as the "information") are provided on an ‘as is’, ‘as available’, and ‘with all faults’ basis. Neither Department of Natural Resources nor any of its officials and employees makes any warranty of any kind for this information, express or implied, including but not limited to any warranties of merchantability or fitness for a particular purpose, nor shall the distribution of this information constitute any warranty.The information is collected from various sources and will change over time without notice. DNR and its officials and employees assume no responsibility or legal liability for the accuracy, completeness, reliability, timeliness, or usefulness of any of the information provided nor do they represent that the use of any of the information will not infringe privately owned rights.The information is not intended to constitute advice nor is it to be used as a substitute for specific advice from a licensed professional. You should not act (or refrain from acting) based upon the information without independently verifying the information and, as necessary, obtaining professional advice regarding your particular facts and circumstances.References to any specific commercial product, process, and service by trade name, trademark, or manufacturer do not constitute or imply endorsement, recommendation, or favoring by DNR and its officials and employees.In no event will DNR be liable to you or any third party for any damages arising out of the use of or inability to use the digital data, even if DNR is advised of the possibility of such damages.</SPAN></P></DIV></DIV>
See access and use constraints information.
Esri ArcGIS 13.0.0.36056
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33969
SCD_GIS_PROD.SCD_GDBA.CAR__GEOHAZARDS__SEISMIC__liquefaction_susceptibility
This data set identifies the relative liquefaction potential for approximately 34,000 polygons from the geologic map of Washington.
Washington Division of Geology and Earth Resources
Feature Class
33969
OBJECTID
Internal feature number.
ESRI
Sequential unique whole numbers that are automatically generated.
Shape
Feature geometry.
ESRI
Coordinates defining the features
20031002
20040921
LIQUEFACTION_SUSCEPT_ID
Unique polygon identifier.
Washington Division of Geology and Earth Resources
LIQUEFACTION_SUSCEPT
Liquefaction susceptibility ratings.
Washington Division of Geology and Earth Resources
Shape.STArea()
Shape.STLength()
The liquefaction susceptibility rating identifies the relative liquefaction potential for approximately 34,000 polygons from the geologic map of Washington State. Igneous and metamorphic rock are assumed to have no liquefaction potential and are designated as "bedrock". Water and ice are so designated and peat, which requires site-specific analysis in the International Building Code, is also separately designated. All other polygons are classified as having very low- to- high susceptibility rating, as described in Open-File Report 2004-20.
Palmer, S. P.; Magsino, S. L.; Bilderback, E. L.; Poelstra, J. L.;Folger, D. S.; and Niggemann, R. A., 2004, Liquefaction susceptibility and site class maps of Washington State, by county: Washington Division of Geology and Earth Resources Open-file Report 2004-20, 78 sheets, with 45 p. text. Accessed at http://www.dnr.wa.gov/geology/pubs/ofr04-20.pdf
dataset
EPSG
5.3(9.0.0)
Simple
FALSE
33969
TRUE
FALSE