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What does this data set describe?

Title:
Geophysical data of field activity A-1-98-SC in Southern California from 08/09/1998 to 08/23/1998
Abstract:
United States Geological Survey, Menlo Park, California. Chief Scientist: Bill Normark. Geophysical data (Huntec, 24channel) of field activity A-1-98-SC in Southern California from 08/09/1998 to 08/23/1998, <http://walrus.wr.usgs.gov/infobank/a/a198sc/html/a-1-98-sc.meta.html>.
Supplemental_Information:

Equipment Used -
Huntec
24channel high resolution multichannel seismic system
Publications -
Ryan, H.F., Conrad, J.E., Paull, C.K., and McGann, M., 2012, Slip Rate on the
San Diego Trough Fault Zone, Inner California Borderland, and the 1986
Oceanside Earthquake Swarm Revisited: Bulletin of the Seismological Society of
America, Vol. 102, No. 6, pp. 2300-2312; URL:
<A HREF ="<http://dx.doi.org/10.1785/0120110317> " target ="NEW"><http://dx.doi.org/10.1785/0120110317> </A>


Normark, William R., Bohannon, Robert G., Sliter, Ray, Dunhill, Gita,
Scholl, David W., Laursen, Jane, Reid, Jane A., and Holton, David, 1999,
Cruise report for A1-98-SC Southern California earthquake project: U.S.
Geological Survey Open-File Report OF 99-152:
<A HREF="<http://geopubs.wr.usgs.gov/open-file/of99-152/>"><http://geopubs.wr.usgs.gov/open-file/of99-152/>


Fisher, Michael, Normark, William, Langenheim, Victoria, Calvert, Andrew
and Sliter, Ray, 2004, Marine geology and earthquake hazards of the San Pedro
shelf region, Southern California: U.S. Geological Survey Professional Paper
1687.

Similar information is available for thousands of other USGS/CMG-related Activities.
If known, available are Activity-specific navigation, gravity, magnetics, bathymetry, seismic, and sampling data; track maps; and equipment information; as well as summary overviews, crew lists, and information about analog materials.
If available, access to physical samples is described in the "WR CMG Sample Distribution Policy" at:
<http://walrus.wr.usgs.gov/infobank/programs/html/main/sample-dist-policy.html>
Primary access to the USGS/CMG Information Bank's digital data, analog data, and metadata is provided through... <http://walrus.wr.usgs.gov/infobank/>
This page accomodates a variety of search approaches (e.g., by platform, by region, by scientist, by equipment type, etc.).
  1. How should this data set be cited?

    U.S. Geological Survey (USGS) <http://www.usgs.gov/>, Coastal and Marine Geology Program (CMGP) <http://marine.usgs.gov/>, 20131029, Geophysical data of field activity A-1-98-SC in Southern California from 08/09/1998 to 08/23/1998: U.S. Geological Survey (USGS) <http://www.usgs.gov>, Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>, Menlo Park, CA.

    Online Links:

  2. What geographic area does the data set cover?

    West_Bounding_Coordinate: -118.92695
    East_Bounding_Coordinate: -117.64443
    North_Bounding_Coordinate: 34.00136
    South_Bounding_Coordinate: 33.27702

  3. What does it look like?

  4. Does the data set describe conditions during a particular time period?

    Beginning_Date: 09-Aug-1998
    Ending_Date: 23-Aug-1998
    Currentness_Reference: ground condition

  5. What is the general form of this data set?

  6. How does the data set represent geographic features?

    1. How are geographic features stored in the data set?

      Indirect_Spatial_Reference: Southern California
      This is a Point data set. It contains the following vector data types (SDTS terminology):
      • Point

    2. What coordinate system is used to represent geographic features?

      Horizontal positions are specified in geographic coordinates, that is, latitude and longitude. Latitudes are given to the nearest 0.00001. Longitudes are given to the nearest 0.00001. Latitude and longitude values are specified in Decimal degrees.

      The horizontal datum used is North American Datum of 1983.
      The ellipsoid used is Geodetic Reference System 80.
      The semi-major axis of the ellipsoid used is 6378137.
      The flattening of the ellipsoid used is 1/298.257.

      Vertical_Coordinate_System_Definition:
      Depth_System_Definition:
      Depth_Datum_Name: Local surface
      Depth_Resolution: 0.1
      Depth_Distance_Units: meters
      Depth_Encoding_Method: Attribute values


  7. How does the data set describe geographic features?

    Entity_and_Attribute_Overview:
    Bathymetry with Time Stamp <http://walrus.wr.usgs.gov/infobank/programs/html/definition/bath.html>
    Entity_and_Attribute_Overview:
    Navigation with Time Stamp <http://walrus.wr.usgs.gov/infobank/programs/html/definition/nav.html>
    Entity_and_Attribute_Overview:
    Seismic Shots with Time Stamp <http://walrus.wr.usgs.gov/infobank/programs/html/definition/seis.html>


Who produced the data set?

  1. Who are the originators of the data set? (may include formal authors, digital compilers, and editors)

  2. Who also contributed to the data set?

    Bill Normark (Chief Scientist, USGS Western Region); Ray Sliter (Geophysicist, USGS Western Region); Bob Bohannon (Geophysicist, USGS Western Region); Gita Dunhill (Geologist, USGS Western Region); Dave Scholl (Geologist, USGS Western Region); Jane Laursen (Geologist, Aarhus Univ. Denmark); Fred Payne (Electronic Tech, USGS Western Region); Larry Kooker (Electronic Tech, USGS Western Region); Graham Standan (Tech Rep, Geoforce); Hal Williams (Mechanical Tech, USGS Western Region); Walt Olson ( Mechanical Tech, USGS Western Region); Lisa Schlender (Marine Biologist, Cascadia Research); Jen Quan (Marine Biologist, Cascadia Research); Kevin Blakley (Mate, Auriga); Russ Brisendine (Engineer, Auriga); Dick Corrigan (Captain, Auriga); Marcus Ballweber (Mate, Auriga); Paul Giron (Ab, Auriga); Ricky Labrador (Chef, Auriga)

  3. To whom should users address questions about the data?

    U.S. Geological Survey (USGS) <http://www.usgs.gov>, Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>
    Attn: Clint Steele <http://walrus.wr.usgs.gov/staff/csteele.html>
    InfoBank Group Leader <http://walrus.wr.usgs.gov/staff/csteele.html>
    USGS, MailStop 999, 345 Middlefield Road
    Menlo Park, CA 94025-3561
    USA

    (650) 329-5055 (voice)
    (650) 329-5190 (FAX)
    infobank@octopus.wr.usgs.gov <mailto:infobank@octopus.wr.usgs.gov>


Why was the data set created?

These data and information are intended for science researchers, students from elementary through college, policy makers, and general public.


How was the data set created?

  1. From what previous works were the data drawn?

  2. How were the data generated, processed, and modified?

    Date: 11-Jul-2000 (process 1 of 2)
    Navigation Data
    time/lat/long style, multi-record, in caps
    temporal-spatial data
    data acquisition systems
    
           1         2         3
    3456789012345678901234567890123456
    

    Person who carried out this activity:

    U.S. Geological Survey (USGS) <http://www.usgs.gov>, Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>
    Attn: Clint Steele <http://walrus.wr.usgs.gov/staff/csteele.html>
    InfoBank Group Leader <http://walrus.wr.usgs.gov/staff/csteele.html>
    USGS, MailStop 999, 345 Middlefield Road
    Menlo Park, CA 94025-3561
    USA

    (650) 329-5055 (voice)
    (650) 329-5190 (FAX)
    infobank@octopus.wr.usgs.gov <mailto:infobank@octopus.wr.usgs.gov>

    Date: 06-Feb-2002 (process 2 of 2)
    Bathymetry Data
    10/31/1998  /lion/a/a198sc/bath/a-1-98-sc.300_062
    /bear/programs/edit/automerge/automerge
    
    Input was...
    09/15/1998 clint a-1-98-sc.301
    /bear/programs/bat/nosamebathy/nosamebathy
    Raw depth (bathymetry) data
    
    time, lat, long, time(sec) to nearest nav fix, data values
    

    Person who carried out this activity:

    U.S. Geological Survey (USGS) <http://www.usgs.gov>, Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>
    Attn: Clint Steele <http://walrus.wr.usgs.gov/staff/csteele.html>
    InfoBank Group Leader <http://walrus.wr.usgs.gov/staff/csteele.html>
    USGS, MailStop 999, 345 Middlefield Road
    Menlo Park, CA 94025-3561
    USA

    (650) 329-5055 (voice)
    (650) 329-5190 (FAX)
    infobank@octopus.wr.usgs.gov <mailto:infobank@octopus.wr.usgs.gov>

  3. What similar or related data should the user be aware of?

    U.S. Geological Survey (USGS) <http://www.usgs.gov>, Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>, Unknown, USGS/CMG Information Bank <http://walrus.wr.usgs.gov/infobank/>: U.S. Geological Survey (USGS) <http://www.usgs.gov> Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>, Menlo Park, CA.

    Online Links:

    Other_Citation_Details:
    Ryan, H.F., Conrad, J.E., Paull, C.K., and McGann, M., 2012, Slip Rate on the San Diego Trough Fault Zone, Inner California Borderland, and the 1986 Oceanside Earthquake Swarm Revisited: Bulletin of the Seismological Society of America, Vol. 102, No. 6, pp. 2300-2312; URL: <A HREF ="<http://dx.doi.org/10.1785/0120110317> " target ="NEW"><http://dx.doi.org/10.1785/0120110317> </A>
    Normark, William R., Bohannon, Robert G., Sliter, Ray, Dunhill, Gita, Scholl, David W., Laursen, Jane, Reid, Jane A., and Holton, David, 1999, Cruise report for A1-98-SC Southern California earthquake project: U.S. Geological Survey Open-File Report OF 99-152: <A HREF="<http://geopubs.wr.usgs.gov/open-file/of99-152/>"><http://geopubs.wr.usgs.gov/open-file/of99-152/>
    Fisher, Michael, Normark, William, Langenheim, Victoria, Calvert, Andrew and Sliter, Ray, 2004, Marine geology and earthquake hazards of the San Pedro shelf region, Southern California: U.S. Geological Survey Professional Paper 1687.



How reliable are the data; what problems remain in the data set?

  1. How well have the observations been checked?

    Identified as best available version.

  2. How accurate are the geographic locations?

    Unspecified

  3. How accurate are the heights or depths?

    Unspecified

  4. Where are the gaps in the data? What is missing?

    Start and end date/times of data

    Navigation Data (a-1-98-sc.065 [GPS])
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    199808092142104    199808121501301
    199808121917404    199808131842004
    199808131939101    199808151627103
    199808151744202    199808221629502
    199808221637203    199808230420004
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Bathymetry Data (a-1-98-sc.300_065)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    199808101725008    199808101727103
    199808101733203    199808101739003
    199808101956400    199808102041104
    199808102054004    199808102055004
    199808102113304    199808102120304
    199808102128304    199808102204304
    199808130919003    199808130924203
    199808130940301    199808131033400
    199808200244301    199808200304501
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Seismic Shots Data (a-1-98-sc.410_mcs)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    199808140525440    199808140811320
    199808140823160    199808140827320
    199808140836420    199808141207250
    199808141213150    199808141220520
    199808141228520    199808141633540
    199808141706140    199808142004430
    199808142050090    199808150105140
    199808150112050    199808150437390
    199808150504230    199808150647330
    199808150717580    199808150850050
    199808150915420    199808151100010
    199808151146410    199808151335020
    199808151343520    199808151440150
    199808151445350    199808151521260
    199808151928580    199808152252220
    199808152259370    199808160420060
    199808160434430    199808160613490
    199808160637020    199808160840320
    199808160859080    199808161032390
    199808161041400    199808161041400
    199808161051400    199808161534360
    199808161612450    199808162033350
    199808162105500    199808170133410
    199808170158560    199808170933250
    199808170954350    199808171325090
    199808171337590    199808171533060
    199808171625070    199808172118110
    199808172154270    199808172353000
    199808172358350    199808180219270
    199808180242330    199808180327200
    199808180429280    199808180600320
    199808180629120    199808180753170
    199808180830520    199808181055060
    199808181136410    199808181500040
    199808182303360    199808190107050
    199808190119110    199808190509350
    199808190518110    199808191513430
    199808191621080    199808192056060
    199808192148030    199808200458260
    199808200509050    199808201116500
    199808201121590    199808201643310
    199808201654510    199808201725000
    199808201736140    199808202245420
    199808202251380    199808210142290
    199808210620310    199808210632590
    199808210801550    199808211416370
    199808211427170    199808211541010
    199808211656090    199808212359120
    199808220007030    199808220107230
    199808220116010    199808220420200
    199808220431200    199808220537520
    199808220548070    199808221607190
    199808221623130    199808222303240
    199808222332210    199808230239350
    199808230246000    199808230402270
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    

  5. How consistent are the relationships among the observations, including topology?

    Unspecified


How can someone get a copy of the data set?

Are there legal restrictions on access or use of the data?

Access_Constraints:
Physical materials are under controlled on-site access.
If available, access to physical samples is described in the "WR CMG Sample Distribution Policy" at: <http://walrus.wr.usgs.gov/infobank/programs/html/main/sample-dist-policy.html>
Use_Constraints:
Please recognize the U.S. Geological Survey (USGS) as the source of this information.
Physical materials are under controlled on-site access.
Some USGS information accessed through this means may be preliminary in nature and presented without the approval of the Director of the USGS. This information is provided with the understanding that it is not guaranteed to be correct or complete and conclusions drawn from such information are the responsibility of the user.
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.

  1. Who distributes the data set? (Distributor 1 of 1)

    U.S. Geological Survey (USGS) <http://www.usgs.gov>, Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>
    Attn: Clint Steele <http://walrus.wr.usgs.gov/staff/csteele.html>
    InfoBank Group Leader <http://walrus.wr.usgs.gov/staff/csteele.html>
    USGS, MailStop 999, 345 Middlefield Road
    Menlo Park, CA 94025-3561
    USA

    (650) 329-5055 (voice)
    (650) 329-5190 (FAX)
    infobank@octopus.wr.usgs.gov <mailto:infobank@octopus.wr.usgs.gov>

  2. What's the catalog number I need to order this data set?

    Downloadable Data A-1-98-SC data set <http://walrus.wr.usgs.gov/infobank/a/a198sc/html/a-1-98-sc.meta.html>

  3. What legal disclaimers am I supposed to read?

    Please recognize the U.S. Geological Survey (USGS) as the source of this information.
    Physical materials are under controlled on-site access.
    Some USGS information accessed through this means may be preliminary in nature and presented without the approval of the Director of the USGS. This information is provided with the understanding that it is not guaranteed to be correct or complete and conclusions drawn from such information are the responsibility of the user.
    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.

  4. How can I download or order the data?

    • Availability in digital form:

Data format: ASCII Size: 1.3
Network links: <http://walrus.wr.usgs.gov/infobank/a/a198sc/html/a-1-98-sc.nav.html>

Data format: ASCII Size: 0.1
Network links: <http://walrus.wr.usgs.gov/infobank/a/a198sc/html/a-1-98-sc.bath.html>

Data format: ASCII Size: 5.0
Network links: <http://walrus.wr.usgs.gov/infobank/a/a198sc/html/a-1-98-sc.seis.html>

  • Cost to order the data: None


  • Who wrote the metadata?

    Dates:
    Last modified: 29-Oct-2013
    Metadata author:
    U.S. Geological Survey (USGS) <http://www.usgs.gov>, Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>
    Attn: Clint Steele <http://walrus.wr.usgs.gov/staff/csteele.html>
    InfoBank Group Leader <http://walrus.wr.usgs.gov/staff/csteele.html>
    USGS, MailStop 999, 345 Middlefield Road
    Menlo Park, CA 94025-3561
    USA

    (650) 329-5055 (voice)
    (650) 329-5190 (FAX)
    infobank@octopus.wr.usgs.gov <mailto:infobank@octopus.wr.usgs.gov>

    Metadata standard:
    FGDC Content Standards for Digital Geospatial Metadata <http://www.fgdc.gov/> (FGDC-STD-001-1998 <http://www.its.nbs.gov/nbs/meta/meta.html>)


    Generated by mp version 2.9.13 on Tue Oct 29 07:32:20 2013