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USGS Coastal and Marine Geology Program

Field Activity Details for field activity S809NC

AKA: none

Other ID: S-8-09-NC,CSW phase 2

Status: Completed

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

Funding Program(s): California State Waters, Phase 2 shelf mapping (MU033)

Principal Investigator(s): John Chin, Samuel Johnson

Affiliate Investigator(s):

Information Specialist(s): John Chin

Data Type(s): Location-Elevation: Navigation, Seismics: Sparker, Visual Identification: Species ID

Scientific Purpose/Goals: Map shallow subsurface sediment and structures in CA state waters


Start Port/Location: Sausalito, CA

End Port/Location: Bodega Bay, CA

Start Date: 2009-09-08

End Date: 2009-09-30

Equipment Used: GPS, sparker, Marine Mammal Observation

Information to be Derived: Thickness of unconsolidated sediment, Depth to unconformity, Location of faults and structures

Summary of Activity and Data Gathered:


Affiliate Staff:



Stinson Beach to Point Arena (CA)

North: 38.70918 South: 37.59062 West: -123.521 East: -122.30893


photo of Parke Snavely
Parke Snavely


Johnson, S.Y., Dartnell, P., Golden, N.E., Hartwell, S.R., Erdey, M.D., Greene, H.G., Cochrane, G.R., Kvitek, R.G., Manson, M.W., Endris, C.A., Dieter, B.E., Watt, J.T., Krigsman, L.M., Sliter, R.W., Lowe, E.N., and Chin, J.L., 2015, California State Waters Map SeriesâOffshore of Salt Point, California: In: Johnson, S.Y., and Cochran, S.A. (Eds.). U.S. Geological Survey Open-File Report 2015-1098.

Sliter, R.W., Johnson, S.Y., Chin, J.L., Allwardt, P., Beeson, J., and Triezenberg, P.J., 2016, High-resolution seismic-reflection data from offshore northern California â Bolinas to Sea Ranch: U.S. Geological Survey Open-File Report 2016-1058,


FAN S809NC 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

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