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This dataset was compiled as part of the Data Preservation Program of the Washington Geological Survey, the aim of which is to organize and preserve geologic data in a digital format and to make it easier for the public to obtain. The creation of this dataset was prompted by the need for up-to-date and spatially accurate reporting of known or suspected folds of Quaternary age in WA State. |
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This dataset was compiled as part of the Data Preservation Program of the Washington Geological Survey, the aim of which is to organize and preserve geologic data in a digital format and to make it easier for the public to obtain. The creation of this dataset was prompted by the need for up-to-date and spatially accurate reporting of known or suspected folds of Quaternary age in WA State. |
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5000 |
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[] |
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<DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>Washington has dozens of rock folds with geologic evidence of deformation in the Quaternary time period. This dataset contains geologically well-supported interpretations of Quaternary fold location, age, and other parameters important for assessing seismic hazard. Folds are important for assessing seismic hazard because faults in the deep subsurface can cause folding of rocks, and folding of rocks closer to the surface can trigger movement on associated faults. Therefore, folds mark places where earthquake-generating faults may exist, but may not yet be characterized. Another term commonly used for folds with movement during the Quaternary is "active". For the Washington Geological Survey, "active" means that a fold has evidence for movement within the Holocene time period (since about 12,000 years ago). We include active folds in this database as well as other folds that have evidence for movement within the Quaternary time period (last 2.58 million years) or suspected movement in the Quaternary, because associated faults all have the potential to create a damaging earthquake sometime in the future within a time frame that matters to humans. Throughout scientific history in Washington state, different interpretations of Quaternary faults and folds have resulted from different mapping methods and scales of investigation. Dataset users will benefit from a full investigation of sources cited, other past work, and developing an understanding of the breadth of study types for any particular fold of interest. For earthquake hazards characterization, this database is best used in reconnaisance-scale investigations, to identify regions closer or further away from active faults in a qualitative sense, or in probabilistic seismic hazard analysis studies (PSHA) that consider the hazards that faults pose for a given area in a probabilistic sense. The WGS does not advise uses of this database that aim to quantify distance of a location of interest to a particular fault or rely on high precision fault placement with respect to specific properties.</SPAN></P></DIV></DIV></DIV> |
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<DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>Disclaimer of Warranties</SPAN></P><P><SPAN>No express or implied warranty of any kind is made regarding the digital information contained herein, including, but not limited to, the warranty of merchantability, warranty of fitness for a particular purpose, or warranties of content, completeness, accuracy, reliability, usefulness, or that use would not infringe on privately-owned rights. Although these digital data and metadata 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><P><SPAN /></P><P><SPAN>Use at Your Own Risk</SPAN></P><P><SPAN>The information presented here is intended for use as a general screening tool in community planning or for creating awareness and understanding of geologic information and is neither intended to constitute advice nor is it to be used as a substitute for site-specific advice from a licensed professional. You use this information at your own risk and should not act (or refrain from acting) based upon the information without independently verifying the information and, as appropriate, obtaining professional advice regarding your particular facts and circumstances.</SPAN></P><P><SPAN /></P><P><SPAN>Limitation on Liability</SPAN></P><P><SPAN>User agrees there shall not be liability on the State of Washington, Washington Department of Natural Resources, or their officers, agents, representatives, or employees for any damages allegedly resulting from any use of or reliance on this information. Under this limitation, there shall be no liability for any damages whatsoever, including but not limited to any damages in contract or tort for compensatory, consequential, punitive, direct, indirect, or special damages such as personal injuries, property damage, loss of profits, or any other losses or expenses.</SPAN></P><P><SPAN /></P><P><SPAN>No Endorsement</SPAN></P><P><SPAN>Reference herein to any specific commercial product, process, or service by trade name, trademark, manufacturer, or otherwise, does not constitute or imply its endorsement, recommendation, or favoring. Further, the views and opinions of authors expressed herein do not necessarily state or reflect those of the State of Washington or any agency thereof.</SPAN></P><P><SPAN /></P><P><SPAN>This dataset is intended for use at a scale of 1:250,000 or less.</SPAN></P></DIV></DIV></DIV> |
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| title:
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Active Folds |
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["monocline","overturned syncline","plunge","axial trace","axial plane","dome","anticline","overturned anticline","syncline","fold","synclinal bend","anticlinal bend","growth fold","geologic","geology","Washington State","faults","Washington","seismogenic folding","seismic","seismicity","trench","trenching","Quaternary","neotectonic","neotectonic processes","paleoseismic","geologic mapping","state map","hazard","geologic hazards","seismogenic features","earthquake data","natural hazards","Seismogenic Folds","USA","Washington State"] |
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en-US |
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150000000 |
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