Jeffrey W. Beeson Samuel Y. Johnson Chris Goldfinger Stephen R. Hartwell 2016 seismic-reflection data in SEG-Y format data release DOI:10.5066/F7GT5K8R Pacific Coastal and Marine Science Center, Santa Cruz, California U.S. Geological Survey https://doi.org/10.5066/F7GT5K8R https://www.sciencebase.gov/catalog/item/5705a7bbe4b0d4e2b7572e0c Jeffrey W. Beeson Samuel Y. Johnson Chris Goldfinger Stephen R. Hartwell 2016 data release DOI:10.5066/F7GT5K8R Santa Cruz, CA U.S. Geological Survey, Pacific Coastal and Marine Science Center https://doi.org/10.5066/F7GT5K8R This dataset includes raw, high-resolution seismic-reflection data jointly collected by the U.S. Geological Survey (USGS) and Oregon State University in 2010, between Fort Bragg and Point Arena in northern California. These data were collected as part of USGS efforts to better understand the northernmost section of the San Andreas Fault Zone. 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: https://cmgds.marine.usgs.gov/fan_info.php?fan=C110NC Any use of trade, product, or firm names is for descriptive purposes only and does not imply endorsement by the U.S. Government. 20100809 20100815 ground condition at the time the data were collected Complete As needed -123.96499 -123.70200 39.56208 39.02353 USGS Metadata Identifier USGS:5705a7bbe4b0d4e2b7572e0c Global Change Master Directory (GCMD) Bathymetry Continental Margins ISO 19115 Topic Category geoscientificInformation oceans None seismic-reflection U.S. Geological Survey USGS Coastal and Marine Hazards and Resources Program CMHRP Pacific Coastal and Marine Science Center PCMSC Data Categories for Marine Planning distributions substrate Marine Realms Information Bank (MRIB) keywords seismic reflection profiling marine geophysics USGS Thesaurus seismic reflection methods sub-bottom profiling marine geophysics Geographic Names Information System (GNIS) Pacific Ocean State of California Humboldt County Mendocino County Fort Bragg Point Delgada Punta Gorda Noyo Canyon Shelter Cove None. USGS-authored or -produced data and information are in the public domain. The U.S. Geological Survey requests to be acknowledged as the originator of the data in future products or derivative research. Share data products developed using these data with the U.S. Geological Survey. U.S. Geological Survey, Pacific Coastal and Marine Science Center PCMSC Science Data Coordinator mailing and physical

2885 Mission Street

Santa Cruz CA 95060 831-427-4747 pcmsc_data@usgs.gov 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. Unspecified Unspecified Seismic-reflection data was recorded to SEG-Y files format. 2010 U.S. Geological Survey, Pacific Coastal and Marine Science Center Stephen R. Hartwell Geologist mailing and physical address

2885 Mission Street

Santa Cruz CA 95060-5792 US 831-460-7814 831-427-4748 shartwell@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 Edited metadata to correct minor typos and bring it up to PCMSC standards. No data were changed. 20211013 U.S. Geological Survey Susan Cochran Geologist Mailing and Physical

2885 Mission Street

Santa Cruz CA 95060 831-460-7545 scochran@usgs.gov The metadata title was modified to move the USGS field activity number to the beginning of the title. This was done to meet new system requirements as ScienceBase is migrated to a new platform, and to keep datasets grouped by field activity on the new data release landing page. (20260324). 20260324 Manda Au U.S. Geological Survey Data Management Specialist Mailing

2885 Mission Street

Santa Cruz CA 95060 831-460-7575 mau@usgs.gov Point Point 0.00001 0.00001 Decimal degrees North American Datum of 1983 Geodetic Reference System 80 6378137 298.257 Local surface 0.1 meters Attribute values Seismic Shots with Time Stamp http://wiki.seg.org/wiki/SEG_Y U.S. Geological Survey - ScienceBase mailing and physical address

Denver Federal Center, Building 810, Mail Stop 302

Denver CO 80225 USA 1-888-275-8747 Downloadable high-resolution seismic-reflection data These data, identified as corrected, high-resolution seismic-reflection data, have been approved for release and publication by the U.S. Geological Survey (USGS). Although these data have been subjected to rigorous review and are substantially complete, the USGS reserves the right to revise the data pursuant to further analysis and review. Furthermore, it is released on condition that neither the USGS nor the United States Government may be held liable for any damages resulting from its authorized or unauthorized use. Although these data have been processed successfully on a computer system at 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. The USGS or the U.S. Government shall not be held liable for improper or incorrect use of the data described and/or contained herein. SEG-Y No compression applied 4280 https://www.sciencebase.gov/catalog/file/get/5705a7bbe4b0d4e2b7572e0c https://doi.org/10.5066/F7GT5K8R Data can be downloaded using the Network_Resource_Name links. The first link is a direct link to download a zipped file of data, metadata, and a map of the Chirp tracklines. The second link points to a landing page for the entire data release. None 20260324 U.S. Geological Survey, Pacific Coastal and Marine Science Center PCMSC Science Data Coordinator mailing and physical

2885 Mission Street

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