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This co-seismic deformation feature class contains polygons for land level change, in feet, for a 9.0 Mw Cascadia Subduction Zone earthquake utilized in tsunami models for the Washington State Tsunami Design Zone (WA-TDZ) as adopted in the 2021 Washington State building code. |
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This co-seismic deformation feature class contains polygons for land level change, in feet, for a 9.0 Mw Cascadia Subduction Zone earthquake utilized in tsunami models for the Washington State Tsunami Design Zone (WA-TDZ) as adopted in the 2021 Washington State building code. |
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5000 |
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[] |
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<DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>Washington State's adoption of the 2021 International Building Code (IBC) included an amendment to adopt the ASCE 7-22 tsunami loads chapter with amendments that direct designers, engineers, or architects to use the Washington Tsunami Design Zone Maps (WA-TDZ) to determine whether structures in Risk Category III or IV need to be designed for tsunamis. Special design parameters must be considered for these structures if they are located in the WA-TDZ. Further, the code requires the use of WA Department of Natural Resources (DNR) Tsunami Inundation Data for design purposes, or that such data be considered as a baseline for self-conducted studies. Please consult the 2021 Washington State Building Code for official language.</SPAN></P><P><SPAN>The polygons provided in this feature class were sourced from the publication listed below and modified only to clip them to the areas of interest to Washington State, convert their native units from meters to feet, and invert the sign from the data provider to correspond to the sense of land motion (i.e. subsidence is negative, uplift is positive).</SPAN></P><P><SPAN>In July of 2024 this newly created feature class was added to the TDZ geodatabase.</SPAN></P><P><SPAN>Source Publications</SPAN></P><P><SPAN>Dolcimascolo, Alexander; Eungard, D. W.; Allen, Corina; LeVeque, R. J.; Adams, L. M.; Arcas, Diego; Titov, V. V.; González, F. I.; Moore, Christopher; Garrison-Laney, C. E.; Walsh, T. J., 2021, Tsunami hazard maps of the Puget Sound and adjacent waters—Model results from an extended L1 Mw 9.0 Cascadia subduction zone megathrust earthquake scenario: Washington Geological Survey Map Series 2021-01, originally published 2021, 16 sheets, scale 1:48,000, 49 p. text.</SPAN></P></DIV></DIV></DIV> |
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<DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>The Washington Geological Survey (WGS) shall not be held liable for improper or incorrect use of the data described and (or) contained herein. This product is provided 'as is' without warranty of any kind, either expressed or implied, including, but not limited to, the implied warranties of merchantability and fitness for a particular use. The Washington State Department of Natural Resources and the authors of this product will not be liable to the user of this product for any activity involving the product with respect to the following: (a) lost profits, lost savings, or any other consequential damages; (b) the fitness of the product for a particular purpose; or (c) use of the product or results obtained from use of the product. Although these data have been processed successfully on computers of WGS, no warranty, expressed or implied, is made by WGS regarding the use of these data on any other system, nor does the fact of distribution constitute or imply any such warranty.</SPAN></P></DIV></DIV></DIV> |
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Washington Tsunami Design Zone (WA-TDZ) 2021 Coseismic Deformation Feature Class |
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["Tsunami","ASCE","Washington","Inundation","Building Code","Design Zone","Current Velocity","Current","Wave Amplitude","TDZ","Inundation Depth","Coseismic Deformation","Inundation Elevation"] |
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en-US |
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150000000 |
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