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USGS Coastal and Marine Geology Program

Field Activity Details for field activity 2014-632-FA

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AKA: none

Other ID: none

Status: Completed

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

Funding Program(s): Coastal and marine earthquake, tsunami, and landslide active margin field studies (ZP00EQV), Marine Geomorphology, Evolution, and Habitats (ZP00FE6)

Principal Investigator(s): Samuel Johnson

Affiliate Investigator(s):

Information Specialist(s): Stephen Hartwell

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

Scientific Purpose/Goals: Comprehensive mapping for California Seafloor Mapping Program; hazard assessment of southern Hosgri fault and connections to faults in Transverse Ranges and Santa Barbara Channel

Vehicle(s): Dodge Caravan - G41-2395R, Chevy Malibu - G10-6707L

Start Port/Location: Santa Barbara

End Port/Location: Santa Barbara

Start Date: 2014-07-17

End Date: 2014-08-02

Equipment Used: Magnetometer, CodaOctopus F190, Mini sparker, single channel streamer

Information to be Derived: Fault maps, sediment thickness maps, geologic maps

Summary of Activity and Data Gathered: Magnetics and SGY data on FAD. Collected minisparker seismic-reflection and marine magnetometer data. Successful cruise

Staff: Alicia Balster-gee, James Conrad, Jackson Currie, Stephen Hartwell, Gerry Hatcher, Robert Wyland, Other

Affiliate Staff:

Notes: Other platform: NOAA RV Shearwater (should be added to list)
Other staffing: Jeff Beeson (Oregon State University grad student)


Central California, Gaviota to Point Sal

North: 34.95349314 South: 34.33075946 West: -120.943 East: -120.15743583


photo of Shearwater


Johnson, S.Y., Dartnell, P., Cochrane, G.R., Hartwell, S.R., Golden, N.E., Kvitek, R.G., and Davenport, C.W., 2018, California State Waters Map Series--Offshore of Point Conception, California: In: Johnson, S.Y., and Cochran, S.A. (Eds.). U.S. Geological Survey Open-File Report 2018â1024.

Johnson, S.Y., Hartwell, S.R., and Beeson, J.W., 2016, Marine geophysical dataâPoint Sal to Refugio State Beach, southern California: U.S. Geological Survey data release.

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.


Data Acquired

Survey EquipmentSurvey InfoData Type(s)Data Collected
Magnetometer --- Magnetics
CodaOctopus F190 --- Navigation
Mini sparker --- Sparker
single channel streamer --- Sparker
corrected SGY (published on Sciencebase; U.S. Geological Survey data release, doi: 10.5066/F7SX6BCD.)

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