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USGS Coastal and Marine Geology Program

Field Activity Details for field activity S509SC

AKA: none

Other ID: S-5-09-SC

Status: Completed

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

Funding Program(s): Tsunami Hazard Potential (MU292)

Principal Investigator(s): James Conrad, Holly Ryan

Affiliate Investigator(s):

Information Specialist(s): James Conrad

Data Type(s): Location-Elevation: Navigation, Seismics: Boomer, Seismics: Sparker

Scientific Purpose/Goals: Collection of high-resolution seismic-reflection profiles offshore of Los Angeles, CA to assess neotectonic activity (recency of fault motion and potential for earthquake and tsunami hazards)

Vehicle(s):

Start Port/Location: Long Beach, CA

End Port/Location: Long Beach, CA

Start Date: 2009-07-06

End Date: 2009-07-10

Equipment Used: Minisparker, GPS, Chirp

Information to be Derived: Location of active faults and other evidence of active seafloor deformation. Stratigraphy of basin sediments.

Summary of Activity and Data Gathered:

Staff: James Conrad, Peter Dal Ferro, Gerry Hatcher, Ray Sliter

Affiliate Staff:

Notes: Earthquake and Tsunami Hazards, Multi-Hazard Project. Pete Dal Ferro (USGS-MP) Ship captain, Ray Sliter (USGS-MP) Marine Geophysicist/Mammal Observer, Gerry Hatcher (USGS-MP) Electronics Technician Minisparker sub-bottom cross-section sonar EdgeTech Chirp sub-bottom cross-section sonar

Staff information imported from InfoBank
Jamie Conrad (mammal observer) - chief scientist
Holly Ryan (chief scientist, mammal observer) - co
Ray Sliter (mammal observer) - seismic watchstander
Gerry Hatcher - ET/MT
Pete Dal Ferro - skipper

Location:

and Santa Monica Basin

Boundaries
North: 33.73608 South: 33.29057 West: -118.564 East: -118.06149

Platform(s):

photo of Parke Snavely
Parke Snavely

Publications

Conrad, J., and Ryan, H., 2009, Catalina or Bust: USGS Group Maps Faults Offshore of Los Angeles: U. S. Geological Survey Sound Waves Monthly Newsletter, September 2009, http://soundwaves.usgs.gov/2009/09/fieldwork4.html.

Sliter, R.W., Conrad, J.E., Ryan, H.F., and Triezenberg, P.J., 2017, Chirp seismic-reflection data of field activity S-5-09-SC: San Pedro Basin, offshore southern California from 2009-07-06 to 2009-07-10: U.S. Geological Survey data release, https://doi.org/10.5066/F75Q4T8F.

Sliter, R.W., Conrad, J.E., Ryan, H.F., and Triezenberg, P.J., 2017, Minisparker seismic-reflection data of field activity S-5-09-SC: San Pedro Basin, offshore southern California from 2009-07-06 to 2009-07-10: U.S. Geological Survey data release.

Portals/Viewers

FAN S509SC has data viewable in the GeoMappApp/Virtual Ocean applications. To view this data in these applications go to http://www.geomapapp.org/ and http://www.virtualocean.org/. See the instructions for locating USGS data in these applications. You can also view the imagery created from the SEGY data at https://cmgds.marine.usgs.gov/images.php?cruise=S509SC.

Data Acquired

Survey EquipmentSurvey InfoData Type(s)Data Collected
Minisparker --- Sparker
Sparker seismic data (CMGDS)
Survey information (InfoBank start/end of line)
GPS --- Navigation
Best file with nav in ArcInfo E00 format (InfoBank)
Global positioning system (GPS) data s-5-09-sc.060 (InfoBank)
Global positioning system (GPS) data s-5-09-sc.061 (Provisional best file)
Chirp --- Boomer
Chirp seismic data (CMGDS)
Survey information (InfoBank on/off file)

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