Janet T. Watt Patrick E. Hart Jared W. Kluesner 2016 chirp seismic-reflection data in SEG-Y format data release DOI:10.5066/F74T6GF1 Pacific Coastal and Marine Science Center, Santa Cruz, CA U.S. Geological Survey https://doi.org/10.5066/F74T6GF1 https://www.sciencebase.gov/catalog/file/get/57322719e4b0dae0d5dc1f3f Janet T. Watt Patrick E. Hart Jared W. Kluesner 2016 data release DOI:10.5066/F74T6GF1 Pacific Coastal and Marine Science Center, Santa Cruz, CA U.S. Geological Survey https://doi.org/10.5066/F74T6GF1 This dataset includes raw, high-resolution chirp seismic-reflection data collected in 2014 by the U.S. Geological Survey (USGS) in San Pablo Bay, northern California. These data were collected as part of USGS efforts to better understand the fault geometry of the Hayward and Rodgers Creek faults beneath the bay. These data and information are intended for science researchers, students from elementary through college, policy makers, and general public. Additional information about the field activity from which these data were derived is available online at http://cmgds.marine.usgs.gov/fan_info.php?fan=2014-639-FA. Any use of trade, product, or firm names is for descriptive purposes only and does not imply endorsement by the U.S. Government. 20141006 20141010 ground condition at the time the data were collected Complete As needed -122.47772 -122.27734 38.13287 37.98376 USGS Metadata Identifier USGS:57322719e4b0dae0d5dc1f3f Global Change Master Directory (GCMD) Bathymetry Continental Margins ISO 19115 Topic Category geoscientificInformation oceans None U.S. Geological Survey USGS Pacific Coastal and Marine Science Center PCMSC Coastal and Marine Geology Program CMGP USGS Thesaurus sub-bottom profiling Marine Realms Information Bank (MRIB) keywords seismic reflection profiling Data Categories for Marine Planning Bathymetry and Elevation Geographic Names Information System (GNIS) San Francisco Bay State of California San Pablo Bay Pinole Point Sears Point Pinole Vallejo Tubbs Island Mare Island Sonoma County Contra Costa County Marin County Solano County none 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(s) of the dataset and in products derived from these data. Any use of trade, firm, or product names is for descriptive purposes only and does not imply endorsement by the U.S. Government. This information is not intended for navigational purposes. U.S. Geological Survey, Pacific Coastal and Marine Science Center PCMSC Science Data Coordinator mailing and physical

2885 Mission Street

Santa Cruz CA 95060-5792 US 831-427-4747 pcmsc_data@usgs.gov https://www.sciencebase.gov/catalog/item/imap/57322151e4b0dae0d5dc1efa Trackline map of 2014-639-FA Web service Digital, ASCII Identified as best available version. No formal logical accuracy tests were conducted 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. Due to attenuation of the chirp signal by bay muds and persistent natural gas layers in San Pablo Bay sediments, we were only able to image the upper 2 to 5 meters of the sub-seafloor. Unspecified Unspecified Seismic-reflection data were recorded to SEG-Y format. 2014 Online_Linkage and Network_Resources URLs were corrected. In addition, edits were made as needed to bring the metadata up to current PCMSC standards including standardizing doi# links, and correcting typos. Point of Contact and Metadata Contact information sections were changed to static PCMSC contact information. No data were changed. Users are advised to compare the metadata date of this file to any similar file to ensure they are using the most recent version. 2020710 Susan A Cochran U.S. Geological Survey, Pacific Coastal and Marine Science Center mailing and physical

2885 Mission St.

Santa Cruz CA 95060 United States 831-460-7545 scochran@usgs.gov Edited metadata to add keywords section with USGS persistent identifier as theme keyword. No data were changed. 20201019 U.S. Geological Survey VeeAnn A. Cross Marine Geologist Mailing and Physical

384 Woods Hole Road

Woods Hole MA 02543-1598 508-548-8700 x2251 508-457-2310 vatnipp@usgs.gov Horizontal X and Y locations for the seismic profile locations are provided in ASCII position files and are stored in the SEG-Y data trace headers in the standard header locations. Point Point 1.0E-5 1.0E-5 Decimal degrees North American Datum of 1983 Geodetic Reference System 80 6378137.0 298.257 Local surface 0.1 meters Attribute values Navigation and Seismic Shots with Time Stamp in standard SEG-Y file format Society of Exploration Geophysicists (SEG) Technical Standards, available for download at http://seg.org/Publications/SEG-Technical-Standards U.S. Geological Survey - ScienceBase mailing and physical

Denver Federal Center, Building 810, Mail Stop 302

Denver CO 80225 USA 1-888-275-8747 sciencebase@usgs.gov 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. SEG-Y SEG-Y rev 1 zip file contains the processed seismic data 1500 https://www.sciencebase.gov/catalog/file/get/57322719e4b0dae0d5dc1f3f https://doi.org/10.5066/F74T6GF1 Data can be downloaded using the Network_Resource_Name links. The first link is a direct link to download the zipped file of data and metadata. The second link points to the landing page for the entire data release. None Winzip, 7-zip, or Winrar are free software that will open .zip files 20201019 U.S. Geological Survey, Pacific Coastal and Marine Science Center PCMSC Science Data Coordinator mailing and physical

2885 Mission Street

Santa Cruz CA 95060-5792 US 831-427-4747 pcmsc_data@usgs.gov Content Standard for Digital Geospatial Metadata FGDC-STD-001-1998