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USGS Coastal and Marine Geology Program

Field Activity Details for field activity B0511CC

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AKA: none

Other ID: B-05-11-CC

Status: Completed

Organization(s): USGS, Pacific Coastal and Marine Science Center

Funding Program(s): Coastal and Marine Catastrophic Hazards (ZP00C4A)

Principal Investigator(s): Samuel Johnson

Affiliate Investigator(s):

Information Specialist(s): Ray Sliter, Janet Watt

Data Type(s): Electro-Magnetic: Magnetics, Location-Elevation: Navigation, Seismics: Sparker

Scientific Purpose/Goals: Data acquisition to constrain geoloogic framework and active faulting


Start Port/Location: Moss Landing

End Port/Location: Moss Landing or Morro Bay

Start Date: 2011-09-12

End Date: 2011-09-26

Equipment Used: GPS, Mini-sparker, magnetometer

Information to be Derived: Seismic reflection and marine magnetic profiles

Summary of Activity and Data Gathered:

Staff: Samuel Johnson, Janet Watt

Affiliate Staff:
Janet Tilden Watt

Notes: Staff information imported from InfoBank
Sam Johnson
Janet Tilden Watt


Mostly offshore Big Sur (between Monterey and Morro Bay). Perhaps some time (a few days) around Point Sal to Point Arguello)

North: 36.9589 South: 35.29984 West: -122.056 East: -120.86195


photo of Derek M. Baylis
Derek M. Baylis


Johnson, S.Y., Hartwell, S.R., Sliter, R.W., and Beeson, J.W., 2017, Minisparker seismic-reflection data of field activity B-05-11-CC, from Point Sur to Morro Bay, offshore central California, 2011-09-12 to 2011-09-26: doi: 10.5066/F7K35S44.

Johnson, S.Y., Hartwell, S.R., Watt, J.T., Beeson, J.W., Dartnell, P., and Cochran, S.A., 2019, California State Waters Map Series Data Catalog--Point Sur to Point Arguello Region, California: U.S. Geological Survey data release.

Watt, J.T., Hartwell, S.R., and Johnson, S.Y., 2018, Marine magnetic data from Point Sur to Piedras Blancas, central California, 2011: U.S. Geological Survey data release.


FAN B0511CC has data viewable in the GeoMappApp/Virtual Ocean applications. To view this data in these applications go to and See the instructions for locating USGS data in these applications. You can also view the imagery created from the SEGY data at

Data Acquired

Survey EquipmentSurvey InfoData Type(s)Data Collected
GPS --- Navigation
Global positioning system (GPS) data (Provisional best file)
Best file with nav in ArcInfo E00 formatProvisional best file (Provisional best file)
Mini-sparker --- Sparker
Seismic FFID/Shot/CDP data (Provisional best file)
Sparker (Metadata)
Minisparker seismic-reflection data collected between Point Sur and Morro Bay, offshore of central California (This dataset includes raw, and swell-filtered, high-resolution seismic-reflection data, collected by the U.S. Geological Survey (USGS) in 2011, between Point Sur and Morro Bay in central California.)
Best file with nav in ArcInfo E00 format (Arc Files)
magnetometer --- Magnetics
Marine magnetic data from Point Sur to Piedras Blancas, central California, 2011 (This dataset includes marine magnetic data collected by the U.S. Geological Survey (USGS) in 2011 during field activity B-05-11-CC between Point Sur and Piedras Blancas, central California.)

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