Metadata: Identification_Information: Citation: Citation_Information: Originator: Alicia F. Balster-Gee Originator: Jared W. Kluesner Originator: Daniel S. Brothers Originator: James E. Conrad Originator: Ray W. Sliter Publication_Date: 20170717 Title: Multichannel sparker and minisparker seismic-reflection data of USGS field activity 2014-645-FA collected in the outer Santa Barbara Channel, California, between 2014-11-12 to 2014-11-25 (ver. 2.0, March 2020) Edition: 2.0 Geospatial_Data_Presentation_Form: seismic-reflection data in SEG-Y format Series_Information: Series_Name: data release Issue_Identification: DOI:10.5066/F7CV4FW6 Publication_Information: Publication_Place: Pacific Coastal and Marine Science Center, Santa Cruz, California Publisher: U.S. Geological Survey Online_Linkage: https://doi.org/10.5066/F7CV4FW6 Online_Linkage: https://www.sciencebase.gov/catalog/item/5e42eb9ee4b0edb47be84547 Larger_Work_Citation: Citation_Information: Originator: Alicia F. Balster-Gee Originator: Jared W. Kluesner Originator: Daniel S. Brothers Originator: James E. Conrad Originator: Ray W. Sliter Publication_Date: 2020 Title: Multichannel minisparker, sparker and chirp seismic-reflection data of field activity 2014-645-FA collected in the outer Santa Barbara Channel, California, between 2014-11-12 to 2014-11-25 (ver 2.0, March 2020) Series_Information: Series_Name: data release Issue_Identification: DOI:10.5066/F7CV4FW6 Publication_Information: Publication_Place: Pacific Coastal and Marine Science Center, Santa Cruz, CA Publisher: U.S. Geological Survey Online_Linkage: https://doi.org/10.5066/F7CV4FW6 Description: Abstract: This data release contains 35 multichannel sparker and 24 multichannel minisparker seismic reflection (MCS) profiles that were collected in November of 2014 from the Catalina and Santa Cruz Basins offshore southern California by the U.S. Geological Survey Pacific and Coastal Marine Science Center. Data were collected aboard the University of California’s R/V Robert Gordon Sproul on USGS cruise 2014-645-FA. MCS profiles were collected to assess earthquake and submarine landslide hazards offshore southern California. Purpose: Data were acquired to support USGS geologic hazards projects to aide hazard assessment and geologic structure mapping of southern California’s offshore Catalina, Catalina Ridge, San Clemente, and San Diego Trough Fault Zones. These data were collected to update the USGS Quaternary fault database and shaking hazard models developed by the Working Group on California Earthquake Probabilities. In addition, the survey imaged a large landslide complex in Santa Cruz Basin in order to determine causes and age of seafloor failure. Data collection was funded in part by UC Student Ship Funds. Chirp sub-bottom data were collected coincidentally. These data and information are intended for science researchers, students from elementary through college, policy makers, and general public. Supplemental_Information: Additional information about the field activities from which these data were derived is available online at: https://cmgds.marine.usgs.gov/fan_info.php?fan=2014-645-FA Any use of trade, product, or firm names is for descriptive purposes only and does not imply endorsement by the U.S. Government. Although this Federal Geographic Data Committee-compliant metadata file is intended to document the data set in nonproprietary form, as well as in Esri format, this metadata file may include some Esri-specific terminology. Time_Period_of_Content: Time_Period_Information: Range_of_Dates/Times: Beginning_Date: 20141112 Ending_Date: 20141125 Currentness_Reference: ground condition at time data were collected Status: Progress: Complete Maintenance_and_Update_Frequency: None planned Spatial_Domain: Bounding_Coordinates: West_Bounding_Coordinate: -120.44300 East_Bounding_Coordinate: -117.26803 North_Bounding_Coordinate: 34.22542 South_Bounding_Coordinate: 32.75509 Keywords: Theme: Theme_Keyword_Thesaurus: USGS Metadata Identifier Theme_Keyword: USGS:58d99b75e4b0543bf7fc64d3 Theme: Theme_Keyword_Thesaurus: ISO 19115 Topic Category Theme_Keyword: geoscientificInformation Theme_Keyword: oceans Theme: Theme_Keyword_Thesaurus: Data Categories for Marine Planning Theme_Keyword: Bathymetry and Elevation Theme: Theme_Keyword_Thesaurus: USGS Thesaurus Theme_Keyword: geospatial datasets Theme_Keyword: marine geophysics Theme: Theme_Keyword_Thesaurus: Marine Realms Information Bank (MRIB) keywords Theme_Keyword: continental margin Theme_Keyword: seismic reflection profiling Theme: Theme_Keyword_Thesaurus: None Theme_Keyword: U.S. Geological Survey Theme_Keyword: USGS Theme_Keyword: Coastal and Marine Hazards and Resources Program Theme_Keyword: CMHRP Theme_Keyword: Pacific Coastal and Marine Science Center Theme_Keyword: PCMSC Theme_Keyword: minisparker Place: Place_Keyword_Thesaurus: Geographic Names Information System (GNIS) Place_Keyword: Pacific Ocean Place_Keyword: State of California Place_Keyword: Santa Catalina Island Place_Keyword: San Clemente Island Place_Keyword: San Nicolas Island Place_Keyword: Sant Barbara Island Place_Keyword: Two Harbors Place_Keyword: Avalon Place_Keyword: City of Long Beach Place_Keyword: City of San Diego Place_Keyword: City of Encinitas Place_Keyword: City of Huntington Beach Place_Keyword: Santa Barbara Channel Place_Keyword: Gulf of Santa Catalina Place_Keyword: Ventura County Place_Keyword: Santa Barbara County Place_Keyword: City of Ventura Place_Keyword: Santa Rosa Island Place_Keyword: Santa Cruz Island Place: Place_Keyword_Thesaurus: NGA GEOnet Names Server (GNS) Place_Keyword: Catalina Basin Place_Keyword: Emery Knoll Place_Keyword: Catalina Canyon Place_Keyword: Catalina Escarpment Place_Keyword: Osborn Bank Place_Keyword: Hueneme Canyon Place_Keyword: Santa Monica Basin Place_Keyword: Santa Cruz Basin Place_Keyword: Santa Cruz Canyon Access_Constraints: None Use_Constraints: USGS-authored or produced data and information are in the public domain from the U.S. Government and are freely redistributable with proper metadata and source attribution. Please recognize and acknowledge the U.S. Geological Survey as the originator of the dataset and in products derived from these data. This information is not intended for navigation purposes. Point_of_Contact: Contact_Information: Contact_Organization_Primary: Contact_Organization: U.S. Geological Survey, Pacific Coastal and Marine Science Center Contact_Person: PCMSC Science Data Coordinator Contact_Address: Address_Type: mailing and physical Address: 2885 Mission Street City: Santa Cruz State_or_Province: CA Postal_Code: 95060 Contact_Voice_Telephone: 831-427-4747 Contact_Electronic_Mail_Address: pcmsc_data@usgs.gov Browse_Graphic: Browse_Graphic_File_Name: https://www.sciencebase.gov/catalog/file/get/58d99b75e4b0543bf7fc64d3?name=2014-645-FA_mcs_tracklines.png&allowOpen=true Browse_Graphic_File_Description: MCS trackline map Browse_Graphic_File_Type: PNG Native_Data_Set_Environment: SEG-Y Rev 1 Data_Quality_Information: Attribute_Accuracy: Attribute_Accuracy_Report: Identified as the best available version Logical_Consistency_Report: Multichannel seismic-reflection data were collected during USGS field activity 2014-645-FA using a 5kJ Delta sparker source for lines 1-17 and a 700J SIG-2mile minisparker source for lines 18-40. MCS data were recorded with a Geometrics 48-channel, 300-meter digital streamer. Depth control birds were used to fly the streamer at consistent depths below the sea surface. Quality control was conducted during the collection process. Completeness_Report: Dataset is considered complete for the information presented, as described in the abstract. Users are advised to read the rest of the metadata record carefully for additional details. Positional_Accuracy: Horizontal_Positional_Accuracy: Horizontal_Positional_Accuracy_Report: Position data were provided by a Differential Global Positioning System (DGPS) navigation receiver. A formal accuracy assessment of the horizontal positional information in the data set has not been conducted. Vertical_Positional_Accuracy: Vertical_Positional_Accuracy_Report: Depths shown in the seismic data files are in milliseconds (round trip travel time) and are referenced to sea level. Lineage: Process_Step: Process_Description: Seismic-reflection profiles were collected during USGS field activity 2014-645-FA using a 5kJ Delta sparker source or a 700J Joule minisparker source and recorded with a 300-meter, 48-channel Geometrics digital seismic streamer with 6.25m group spacing. Process_Date: 20141125 Process_Step: Process_Description: MCS profiles were processed using SIOSEIS and Seismic Unix. SIOSEIS processing included conversion from SEGD to SEGY, geometry calculation using navigation, 20-1000Hz bandpass filter and CDP gather sorting. Seismic Unix processing included channel rejection, zerophase bandpass filtering, de-spike, butterworth minimum phase filter, NMO correction, DMO correction, pre-stak Stolt migration of CDP gathers, trace balancing, predictive deconvolution, trace mix, and AGC. Navigation was converted to UTM zone 11N and smoothed over 50m using a local regression algorithm in MatLab. Note that the repeating navigation at the beginning of each line is an artifact of the navigation smoothing and doesn’t affect the overall positional accuracy of the dataset. Process_Date: 20150130 Process_Step: Process_Description: For version 2.0 of this data release, additional lines of data were added. No original data were changed. The metadata file was revised to better describe the collection and processing of both the original and newly added data, all of which were handled in the same manner. The title of the data and the overall data release was changed to better reflect the geographic location of the data, and the authorship and ranking was revised. Process_Date: 20200201 Process_Step: Process_Description: Typo in Longitude of Central Meridian (longcm) tag was corrected. No data were changed. Process_Date: 20200531 Process_Contact: Contact_Information: Contact_Person_Primary: Contact_Person: Susan A Cochran Contact_Organization: U.S. Geological Survey, Pacific Coastal and Marine Science Center Contact_Address: Address_Type: mailing and physical Address: 2885 Mission St. City: Santa Cruz State_or_Province: CA Postal_Code: 95060 Country: United States Contact_Voice_Telephone: 831-460-7545 Contact_Electronic_Mail_Address: scochran@usgs.gov Process_Step: Process_Description: Edited metadata to add keywords section with USGS persistent identifier as theme keyword. No data were changed. Process_Date: 20201019 Process_Contact: Contact_Information: Contact_Organization_Primary: Contact_Organization: U.S. Geological Survey Contact_Person: VeeAnn A. Cross Contact_Position: Marine Geologist Contact_Address: Address_Type: Mailing and Physical Address: 384 Woods Hole Road City: Woods Hole State_or_Province: MA Postal_Code: 02543-1598 Contact_Voice_Telephone: 508-548-8700 x2251 Contact_Facsimile_Telephone: 508-457-2310 Contact_Electronic_Mail_Address: vatnipp@usgs.gov Process_Step: Process_Description: Performed minor edits to the metadata to correct typos. No data were changed Process_Date: 20211013 Process_Contact: Contact_Information: Contact_Organization_Primary: Contact_Organization: U.S. Geological Survey Contact_Person: Susan A. Cochran Contact_Position: Geologist Contact_Address: Address_Type: Mailing and Physical Address: 2885 Mission Street City: Santa Cruz State_or_Province: CA Postal_Code: 95060 Contact_Voice_Telephone: 831-460-7545 Contact_Electronic_Mail_Address: scochran@usgs.gov Spatial_Data_Organization_Information: Indirect_Spatial_Reference: Horizontal X and Y locations for each seismic profile location are provided in ASCII position files and are stored in the SEG-Y data trace headers in header bytes 73 and 77. Spatial_Reference_Information: Horizontal_Coordinate_System_Definition: Planar: Map_Projection: Map_Projection_Name: WGS 1984 UTM Zone 11N Transverse_Mercator: Scale_Factor_at_Central_Meridian: 0.9996 Longitude_of_Central_Meridian: -117.0 Latitude_of_Projection_Origin: 0.0 False_Easting: 500000.0 False_Northing: 0.0 Planar_Coordinate_Information: Planar_Coordinate_Encoding_Method: coordinate pair Coordinate_Representation: Abscissa_Resolution: 0.0001 Ordinate_Resolution: 0.0001 Planar_Distance_Units: Meter Geodetic_Model: Horizontal_Datum_Name: D WGS 1984 Ellipsoid_Name: WGS 1984 Semi-major_Axis: 6378137.0 Denominator_of_Flattening_Ratio: 298.257223563 Vertical_Coordinate_System_Definition: Depth_System_Definition: Depth_Datum_Name: local surface Depth_Resolution: 0.1 Depth_Distance_Units: two-way travel time in milliseconds Depth_Encoding_Method: attribute values Entity_and_Attribute_Information: Overview_Description: Entity_and_Attribute_Overview: Navigation and seismic shots with time stamp in standard SEG-Y file format Entity_and_Attribute_Detail_Citation: Society of Exploration Geophysicists (SEG) Technical Standards, available for download at http://seg.org/Publications/SEG-Technical-Standards Distribution_Information: Distributor: Contact_Information: Contact_Organization_Primary: Contact_Organization: U.S. Geological Survey - ScienceBase Contact_Address: Address_Type: mailing and physical Address: Denver Federal Center, Building 810, Mail Stop 302 City: Denver State_or_Province: CO Postal_Code: 80225 Contact_Voice_Telephone: 1-888-275-8747 Contact_Electronic_Mail_Address: sciencebase@usgs.gov Resource_Description: 2014-645-FA_mcs.zip This zip file contains multichannel seismic-reflection (SEG-Y) data collected during USGS field activity 2014-645-FA. These data are divided up and presented by navigation line, as reflected in the individual file names. Distribution_Liability: Unless otherwise stated, all data, metadata and related materials are considered to satisfy the quality standards relative to the purpose for which the data were collected. Although these data and associated metadata have been reviewed for accuracy and completeness and approved for release by the U.S. Geological Survey (USGS), no warranty expressed or implied is made regarding the display or utility of the data on any other system or for general or scientific purposes, nor shall the act of distribution constitute any such warranty. Standard_Order_Process: Digital_Form: Digital_Transfer_Information: Format_Name: SEG-Y Format_Version_Number: SEG-Y rev 1 Format_Information_Content: Zip file contains the raw seismic data per navigation line. File_Decompression_Technique: Winzip, 7-zip, or Winrar are free software that will open .zip files Transfer_Size: 7930 Digital_Transfer_Option: Online_Option: Computer_Contact_Information: Network_Address: Network_Resource_Name: https://www.sciencebase.gov/catalog/file/get/5e42e63ee4b0edb47be8453b Network_Resource_Name: https://www.sciencebase.gov/catalog/item/5e42e63ee4b0edb47be8453b Network_Resource_Name: https://doi.org/10.5066/F7CV4FW6 Access_Instructions: Data can be downloaded using the Network_Resource_Name links. The first link is a direct link to download a zip file containing the mcs data, metadata, and a trackline map. The second link points to a landing page for the chirp portion of the data release. The third link point to the landing page for the entire data release. Fees: None. Technical_Prerequisites: Use of SEG-Y data requires specialized software, such as Reveal by Shearwater Geophysical; ProMax and Seisworks by Landmark Geophysical; FOCUS and SeisX by Paradigm Geophysical; SPW by Parallel Geoscience; VISTA by Seismic Image Software; SeiSee by Dalmorneftegeophysica (DMNG); amongst others. Metadata_Reference_Information: Metadata_Date: 20211013 Metadata_Contact: Contact_Information: Contact_Organization_Primary: Contact_Organization: U.S. Geological Survey, Pacific Coastal and Marine Science Center Contact_Person: PCMSC Science Data Coordinator Contact_Address: Address_Type: mailing and physical Address: 2885 Mission Street City: Santa Cruz State_or_Province: CA Postal_Code: 95060 Contact_Voice_Telephone: 831-427-4747 Contact_Electronic_Mail_Address: pcmsc_data@usgs.gov Metadata_Standard_Name: Content Standard for Digital Geospatial Metadata Metadata_Standard_Version: FGDC-STD-001-1998