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
2017
This data release includes marine geophysical data collected on cruise B-05-11-CC between Point Sur and Morro Bay, California. The overall goal of this research is to understand the shallow geologic framework of this area as a contribution to the California Seafloor Mapping Program. Particular focus is on mapping active faults and documenting the distribution and thickness of offshore, unconsolidated sediment.
Approximately 700 km of single-channel, seismic-reflection data between Point Sur and Morro Bay were collected during the cruise. Seismic profiles were collected at 1 km line spacing between Point Sur and Piedras Blancas, crossing the Hosgri-San Gregorio fault system 60 times. Data were also collected to the south on the south flank of Piedras Blancas (south of San Simeon) crossing the Hosgri-San Gregorio fault 13 times at 800 m line spacing. Farther south, additional data were collected offshore of Morro Bay with a focus on crossing the Los Osos fault zone. Data collected in the southern two areas overlap with and supplement data published by Sliter and others in 2009.
Suggested Citation: 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: U.S. Geological Survey data release, doi:10.5066/F7K35S44
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