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This data release includes chirp seismic-reflection data collected in 2014 aboard the USGS R/V Snavely in San Pablo Bay, part of northern San Francisco Bay. These data were acquired to image the shallow geologic structure, particularly that related to the Hayward and Rodgers Creek Faults. Approximately 200 km of marine seismic-reflection data were collected along primarily northeast and northwest-trending profiles spaced 1-km apart using an Edgetech 512 chirp sub-bottom profiler that was towed alongside the vessel on a sled at the sea surface. Data were acquired using a 2-12 kHz sweep with a 20 ms length fired 6 times per second. Initial processing included subsampling at twice the sample interval to make swell...


    map background search result map search result map Swell-filtered, high-resolution seismic-reflection data collected between Fort Bragg and Point Arena (northern Califrnia) during field activity C-1-10-NC from 08/09/2010 to 08/15/2010 Swell-filtered, high-resolution seismic-reflection data collected between Shelter Cove and Fort Bragg (northern Califrnia) during field activity B-5-10-NC from 09/20/2010 to 10/01/2010 Swell-filtered, high-resolution seismic-reflection data collected between Punta Gorda and Fort Bragg (northern California) during field activity B-04-12-NC from 09/17/2012 to 09/25/2012 Raw, high-resolution seismic-reflection data collected between Punta Gorda and Fort Bragg (northern California) during field activity B-04-12-NC from 09/17/2012 to 09/25/2012 Raw, high-resolution seismic-reflection data collected between Shelter Cove and Fort Bragg (northern California) during field activity B-5-10-NC from 09/20/2010 to 10/01/2010 Raw, high-resolution seismic-reflection data collected between Fort Bragg and Point Arena (northern California) during field activity C-1-10-NC from 08/09/2010 to 08/15/2010 Chirp seismic-reflection data: San Pablo Bay, California Chirp seismic-reflection data: San Pablo Bay, California Swell-filtered, high-resolution seismic-reflection data collected between Fort Bragg and Point Arena (northern Califrnia) during field activity C-1-10-NC from 08/09/2010 to 08/15/2010 Raw, high-resolution seismic-reflection data collected between Fort Bragg and Point Arena (northern California) during field activity C-1-10-NC from 08/09/2010 to 08/15/2010 Swell-filtered, high-resolution seismic-reflection data collected between Shelter Cove and Fort Bragg (northern Califrnia) during field activity B-5-10-NC from 09/20/2010 to 10/01/2010 Raw, high-resolution seismic-reflection data collected between Shelter Cove and Fort Bragg (northern California) during field activity B-5-10-NC from 09/20/2010 to 10/01/2010 Swell-filtered, high-resolution seismic-reflection data collected between Punta Gorda and Fort Bragg (northern California) during field activity B-04-12-NC from 09/17/2012 to 09/25/2012 Raw, high-resolution seismic-reflection data collected between Punta Gorda and Fort Bragg (northern California) during field activity B-04-12-NC from 09/17/2012 to 09/25/2012