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High-resolution marine seismic reflection data from the San Francisco Bay area, collected in 1995 during USGS Field Activity G2-95-SF

Metadata Updated: October 26, 2023

Between 1993 and 1997, the U.S. Geological Survey acquired high-resolution, marine seismic-reflection profile data across submerged portions of known and inferred upper crustal fault zones throughout the greater San Francisco Bay area. This particular dataset was acquired in 1995 during USGS Field Activity G2-95-SF using the vessel Robert Gray. The dataset includes navigational data in ASCII format, gif images of the seismic-profile lines, and seismic data in industry-standard SEG-Y format. These data are also available via GeoMapApp ( and Virtual Ocean ( earth science exploration and visualization applications.

Access & Use Information

Public: This dataset is intended for public access and use. License: No license information was provided. If this work was prepared by an officer or employee of the United States government as part of that person's official duties it is considered a U.S. Government Work.

Downloads & Resources


Metadata Created Date June 1, 2023
Metadata Updated Date October 26, 2023

Metadata Source

Harvested from DOI EDI

Additional Metadata

Resource Type Dataset
Metadata Created Date June 1, 2023
Metadata Updated Date October 26, 2023
Publisher U.S. Geological Survey
Identifier USGS:70d1f5ae-f7bf-467f-8ddb-afb2aae74fee
Data Last Modified 20201019
Category geospatial
Public Access Level public
Bureau Code 010:12
Metadata Context
Metadata Catalog ID
Schema Version
Catalog Describedby
Harvest Object Id d03c7804-07be-4040-9a00-c97882901419
Harvest Source Id 52bfcc16-6e15-478f-809a-b1bc76f1aeda
Harvest Source Title DOI EDI
Metadata Type geospatial
Old Spatial -122.77,37.49,-121.68,38.16
Publisher Hierarchy White House > U.S. Department of the Interior > U.S. Geological Survey
Source Datajson Identifier True
Source Hash 1ac04e486fdf7b69ae57c0d8d55e6e650ee57777a0deaca2ae1a25063024ee1c
Source Schema Version 1.1
Spatial {"type": "Polygon", "coordinates": -122.77, 37.49, -122.77, 38.16, -121.68, 38.16, -121.68, 37.49, -122.77, 37.49}

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