Identification_Information: Citation: Citation_Information: Originator: Florence L. Wong Originator: Eric L. Geist Publication_Date: 2006 Title: Generalized 100- and 500-year flood zones for Seaside, Oregon, determined by probabilistic tsunami hazard analysis (probzones.shp) Edition: 1 Geospatial_Data_Presentation_Form: vector digital data Online_Linkage: http://pubs.usgs.gov/ds/2006/236/catalog.shtml Larger_Work_Citation: Citation_Information: Originator: Florence L. Wong Originator: Angie J. Venturato Originator: Eric L. Geist Publication_Date: 2006 Title: Seaside, Oregon Tsunami Pilot Study - Modernization of FEMA Flood Hazard Maps: GIS Data Geospatial_Data_Presentation_Form: raster digital data Series_Information: Series_Name: U.S. Geological Survey Data Series Issue_Identification: 236 Publication_Information: Publication_Place: Menlo Park, California Publisher: U.S. Geological Survey Online_Linkage: http://pubs.usgs.gov/ds/2006/236/ Description: Abstract: PROBZONES is a generalized polygon layer outlining areas in the Seaside-Gearhart, Oregon, area subject to the 100-year and 500-year flood as determined by probabilistic tsunami hazard analysis (PTHA). Purpose: This data set is one of a collection of digital files of a geographic information system of spatially referenced data related to the Seaside, Oregon, Tsunami Pilot Study. Federal Emergency Management Agency (FEMA) Federal Insurance Rate Map (FIRM) guidelines do not currently exist for conducting and incorporating tsunami hazard assessments that reflect the substantial advances in tsunami research achieved in the last two decades (Tsunami Pilot Study Working Group, 2006). Therefore, as part of FEMAs Modernization Program, a Tsunami Pilot Study was carried out in the Seaside/Gearhart, Oregon, area to provide information from which tsunami mapping guidelines could be developed. This area was chosen because it is typical of coastal communities in the section of the Pacific Coast from Cape Mendocino to the Strait of Juan de Fuca. There was also considerable interest shown by state agencies and local stakeholders in mapping the tsunami threat to this area. The study was an interagency effort by scientists from the U.S. Geological Survey, the National Oceanic and Atmospheric Administration, the University of Southern California, and the Middle East Technical University. We present the GIS data from that report in this publication. These data are intended for science researchers, students, policy makers, and the general public. The data can be used with geographic information systems (GIS) software to display geologic and oceanographic information. Time_Period_of_Content: Time_Period_Information: Single_Date/Time: Calendar_Date: 2005 Currentness_Reference: ground condition Status: Progress: Complete Maintenance_and_Update_Frequency: None planned Spatial_Domain: Bounding_Coordinates: West_Bounding_Coordinate: -123.970020 East_Bounding_Coordinate: -123.904470 North_Bounding_Coordinate: 46.060000 South_Bounding_Coordinate: 45.965441 Keywords: Theme: Theme_Keyword_Thesaurus: none Theme_Keyword: probabilistic tsunami hazard analysis Theme_Keyword: tsunamis Theme_Keyword: coastal geology Theme_Keyword: PTHA Theme_Keyword: tsunami probability Theme_Keyword: tsunami hazard Theme_Keyword: FEMA Flood Insurance Rate Map Theme: Theme_Keyword_Thesaurus: ISO 19115 Topic Category Theme_Keyword: environment Theme_Keyword: geoscientificInformation Theme_Keyword: oceans Place: Place_Keyword_Thesaurus: Geographic Names Information System Place_Keyword: Seaside, Oregon Place_Keyword: Gearhart, Oregon Place_Keyword: Oregon Place_Keyword: USA Place: Place_Keyword_Thesaurus: GEOnet Names Server Place_Keyword: north Pacific Ocean Access_Constraints: None. Use_Constraints: The data, digital results, GIS layers, and map products in this database have been created specifically as part of a pilot study for FEMA's modernization of Flood Insurance Rate Maps (FIRMs) project. The results of the pilot study are intended to help FEMA draft new guidelines related to tsunami flooding for Coastal Flood Hazard Analysis and Mapping for the Pacific Coast of the United States. The results are intrinsically probabilistic and designed according to FEMA flood zone specifications: annual probabilities of exceedance of 1% and 0.2%. The data, digital results, GIS layers, and map products are not intended for other uses. In particular, the 1% and 0.2% annual exceedance probability tsunami flood maps are not to be used for emergency planning, evacuation, or other insurance purposes. Please refer to the National Tsunami Hazard Mitigation Program tsunami inundation maps for use in emergency planning. Please recognize the U.S. Geological Survey (USGS) as the source of this information. Although these data have been used by the U.S. Geological Survey, U.S. Department of the Interior, no warranty expressed or implied is made by the U.S. Geological Survey as to the accuracy of the data. The act of distribution shall not constitute any such warranty, and no responsibility is assumed by the U.S. Geological Survey in the use of this data, software, or related materials. This information is not intended for navigational purposes. Any use of trade, firm, or product names is for descriptive purposes only and does not imply endorsement by the U.S. Government. Point_of_Contact: Contact_Information: Contact_Person_Primary: Contact_Person: Florence L. Wong Contact_Organization: U.S. Geological Survey Contact_Position: Geologist Contact_Address: Address_Type: mailing and physical address Address: 345 Middlefield Road, MS 999 City: Menlo Park State_or_Province: California Postal_Code: 94025 Country: USA Contact_Voice_Telephone: 650-329-5327 Contact_Facsimile_Telephone: 650-329-5190 Contact_Electronic_Mail_Address: fwong@usgs.gov Browse_Graphic: Browse_Graphic_File_Name: http://pubs.usgs.gov/ds/2006/236/metadata/probzones.jpg Browse_Graphic_File_Description: 100- and 500-year flood zones as determined by probabilistic tsunami hazard analysis. Browse_Graphic_File_Type: JPEG Native_Data_Set_Environment: Microsoft Windows 2000 Version 5.0 (Build 2195) Service Pack 4; ESRI ArcCatalog 9.1.0.722 Cross_Reference: Citation_Information: Originator: Tsunami Pilot Study Working Group Publication_Date: 2006 Title: Seaside, Oregon Tsunami Pilot Study - Modernization of FEMA Flood Hazard Maps Edition: 1 Series_Information: Series_Name: U.S. Geological Survey Open-File Report Issue_Identification: 2006-1234 Publication_Information: Publication_Place: Menlo Park, California Publisher: U.S. Geological Survey Online_Linkage: http://pubs.usgs.gov/of/2006/1234/ Cross_Reference: Citation_Information: Originator: Mofjeld, H.O., Venturato, A.J., Gonz\341lez, F.I., and Titov, V.V. Publication_Date: 2004 Title: Background tides and sea level variations at Seaside, Oregon Series_Information: Series_Name: NOAA, Technical Memorandum Issue_Identification: OAR PMEL-126 Other_Citation_Details: 15 pages Online_Linkage: http://www.pmel.noaa.gov/pubs/PDF/mofj2736/mofj2736.pdf Cross_Reference: Citation_Information: Originator: Eric L. Geist Publication_Date: 2005 Title: Local Tsunami Hazards in the Pacific Northwest from Cascadia Subduction Zone Earthquakes Series_Information: Series_Name: U.S. Geological Survey Professional Paper Issue_Identification: 1661-B Other_Citation_Details: 21 pages Online_Linkage: http://pubs.usgs.gov/pp/pp1661b/ Data_Quality_Information: Attribute_Accuracy: Attribute_Accuracy_Report: The polygon attribute for this data set is either the 100- or 500-year flood area as determined by the probabilistic tsunami hazard analysis. The accuracy of one or the other value assignment is tied to the model accuracy, the discussion of which is copied here. The maximum wave heights presented here were modeled by probabilistic tsunami hazard analysis techniques and approximate the magnitudes of a 1% annual probability flood. Accuracy with these estimates can be associated with uncertainty in the model results. Sources of aleatory uncertainty from fault rupture complexity and tidal stage at tsunami arrival time. For the former, the coefficient of variation is typically 20% (Geist, 2005). For the latter, the coefficient of variation is typically 7% (Mofjeld and others, 2004). A comprehensive analysis for other sources of aleatory and epistemic uncertainty has not been conducted for this pilot study. Logical_Consistency_Report: Polygon topology is intact. Completeness_Report: Complete. Positional_Accuracy: Horizontal_Positional_Accuracy: Horizontal_Positional_Accuracy_Report: The model raster from which this data set was derived was defined on a 2-second grid spacing (approximately 60 meters north-south) which was maintained through all calculations. Lineage: Source_Information: Source_Citation: Citation_Information: Originator: Angie J. Venturato Publication_Date: 2005 Title: A digital elevation model for Seaside, Oregon: Procedures, data sources, and analyses Geospatial_Data_Presentation_Form: raster digital data Series_Information: Series_Name: NOAA, Technical Memorandum OAR Issue_Identification: PMEL-129 Online_Linkage: http://www.pmel.noaa.gov/pubs/PDF/vent2812/vent2812.pdf Type_of_Source_Media: online Source_Time_Period_of_Content: Time_Period_Information: Single_Date/Time: Calendar_Date: 2005 Source_Currentness_Reference: publication date Source_Citation_Abbreviation: Venturato, 2005 Source_Contribution: mean lower low water line Process_Step: Process_Description: The extents of the 100- and 500-year maps from the Probabilistic Tsunami Hazard Analysis (Tsunami Pilot Study Working Group, 2006) were combined with the mean lower low water line (Venturato, 2005) to define these polygons. Process_Date: 2005 Spatial_Data_Organization_Information: Direct_Spatial_Reference_Method: Vector Point_and_Vector_Object_Information: SDTS_Terms_Description: SDTS_Point_and_Vector_Object_Type: G-polygon Point_and_Vector_Object_Count: 2 SDTS_Terms_Description: SDTS_Point_and_Vector_Object_Type: Label point Point_and_Vector_Object_Count: 4 SDTS_Terms_Description: SDTS_Point_and_Vector_Object_Type: GT-polygon composed of chains Point_and_Vector_Object_Count: 4 SDTS_Terms_Description: SDTS_Point_and_Vector_Object_Type: Point Point_and_Vector_Object_Count: 4 Spatial_Reference_Information: Horizontal_Coordinate_System_Definition: Geographic: Latitude_Resolution: 0.0006 Longitude_Resolution: 0.0006 Geographic_Coordinate_Units: Decimal degrees Geodetic_Model: Horizontal_Datum_Name: North American Datum of 1983 Ellipsoid_Name: Geodetic Reference System 80 Semi-major_Axis: 6378137.000000 Denominator_of_Flattening_Ratio: 298.257222 Entity_and_Attribute_Information: Detailed_Description: Entity_Type: Entity_Type_Label: probzones Entity_Type_Definition: polygon shapefile Entity_Type_Definition_Source: ESRI Attribute: Attribute_Label: FID Attribute_Definition: Internal feature number. Attribute_Definition_Source: ESRI Attribute_Domain_Values: Unrepresentable_Domain: Sequential unique whole numbers that are automatically generated. Attribute: Attribute_Label: Shape Attribute_Definition: Feature geometry. Attribute_Definition_Source: ESRI Attribute_Domain_Values: Unrepresentable_Domain: Coordinates defining the features. Attribute: Attribute_Label: AREA Attribute_Definition: area from polygon coverage Attribute_Definition_Source: ESRI Attribute_Domain_Values: Unrepresentable_Domain: Feature area Attribute: Attribute_Label: PERIMETER Attribute_Definition: perimeter from polygon coverage Attribute_Definition_Source: ESRI Attribute_Domain_Values: Unrepresentable_Domain: Feature perimeter Attribute: Attribute_Label: NEWZONE_ Attribute_Definition: feature number Attribute_Definition_Source: ESRI Attribute_Domain_Values: Unrepresentable_Domain: ESRI internal number Attribute: Attribute_Label: NEWZONE_ID Attribute_Definition: user feature number Attribute_Definition_Source: author Attribute_Domain_Values: Unrepresentable_Domain: user-assigned feature number Attribute: Attribute_Label: PTYPE Attribute_Definition: polygon label Attribute_Definition_Source: author Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: A Enumerated_Domain_Value_Definition: 100-year flood polygon Enumerated_Domain_Value_Definition_Source: probabilistic tsunami hazard analysis Enumerated_Domain: Enumerated_Domain_Value: B Enumerated_Domain_Value_Definition: 500-year flood polygon Enumerated_Domain_Value_Definition_Source: probabilistic tsunami hazard analysis Distribution_Information: Distributor: Contact_Information: Contact_Organization_Primary: Contact_Organization: U.S. Geological Survey Contact_Address: Address_Type: mailing address Address: USGS Information Services Address: Box 25286 City: Denver State_or_Province: Colorado Postal_Code: 80225-0286 Country: USA Contact_Voice_Telephone: 1-888-275-8747 Contact_Electronic_Mail_Address: infoservices@usgs.gov Resource_Description: U.S. Geological Survey Data Series 236 Distribution_Liability: This information is not intended for navigational purposes. Any use of trade, firm, or product names is for descriptive purposes only and does not imply endorsement by the U.S. Government. Standard_Order_Process: Digital_Form: Digital_Transfer_Information: Format_Name: ARCE Format_Version_Number: 9.1 Format_Specification: shapefile Transfer_Size: 0.093 Digital_Transfer_Option: Online_Option: Computer_Contact_Information: Network_Address: Network_Resource_Name: http://pubs.usgs.gov/ds/2006/236/ Fees: None Metadata_Reference_Information: Metadata_Date: 20060829 Metadata_Contact: Contact_Information: Contact_Organization_Primary: Contact_Organization: U.S. Geological Survey Contact_Person: Florence L. Wong Contact_Position: Geologist Contact_Address: Address_Type: mailing and physical address Address: 345 Middlefield Road, MS 999 City: Menlo Park State_or_Province: California Postal_Code: 94025 Country: USA Contact_Voice_Telephone: 650-329-5327 Contact_Facsimile_Telephone: 650-329-5190 Contact_Electronic_Mail_Address: fwong@usgs.gov Metadata_Standard_Name: FGDC Content Standards for Digital Geospatial Metadata Metadata_Standard_Version: FGDC-STD-001-1998 Metadata_Time_Convention: local time Metadata_Extensions: Online_Linkage: http://www.esri.com/metadata/esriprof80.html Profile_Name: ESRI Metadata Profile Metadata_Extensions: Online_Linkage: http://www.esri.com/metadata/esriprof80.html Profile_Name: ESRI Metadata Profile