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  3. San Francisco Bay region 3D seismic velocity model v21.0

San Francisco Bay region 3D seismic velocity model v21.0

Dates

Publication Date
Time Period
2021

Citation

Aagaard, B.T., and Hirakawa, E.T., 2021, San Francisco Bay region 3D seismic velocity model v21.0: U.S. Geological Survey data release, https://doi.org/10.5066/P98CA3D5.

Summary

This three-dimensional (3D) seismic velocity model includes a detailed domain covering the greater San Francisco Bay urban region and a regional domain at a coarser resolution covering a larger region. Version 21.0 is a re-release of v08.3.0 in a new storage scheme. The model was constructed by assigning elastic properties (density, Vp, Vs, Qp, and Qs) to grids of points based on the geologic unit and depth from the ground surface. The model is stored in HDF5 files using the GeoModelGrids (https://geomodelgrids.readthedocs.io) storage scheme (see the README.md file for an overview). GeoModelGrids provides a high-level interface for accessing the model. The model can also be accessed using the HDF5 application programming interface [...]

Contacts

Point of Contact :
Brad T Aagaard, Geologic Hazards Science Center
Originator :
Brad T Aagaard, Evan T Hirakawa
Metadata Contact :
GHSC Data Steward, Geologic Hazards Science Center
Publisher :
U.S. Geological Survey
Distributor :
U.S. Geological Survey - ScienceBase
SDC Data Owner :
Geologic Hazards Science Center
USGS Mission Area :
Natural Hazards

Attached Files

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USGS_SFCVM_v21-0.xml
Original FGDC Metadata
View 		40.13 KB application/fgdc+xml
USGS_SFCVM_v21-0_bbox.kml 1.33 KB application/vnd.google-earth.kml+xml
1.04 GB application/x-hdf
1.97 GB application/x-hdf
USGS_SFCVM_v21-0_z10z25.tiff thumbnail 1 MB image/geotiff
USGS_SFCVM_v21-0.shasums 285 Bytes text/plain
USGS_SFCVM_v21-0_plots_hslices.zip 18.56 MB application/zip
README.txt 11.22 KB text/plain

Purpose

This seismic velocity model was generated for three-dimensional seismic analyses, such as earthquake ground-motion simulations.

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Identifiers

Type Scheme Key
DOI https://www.sciencebase.gov/vocab/category/item/identifier doi:10.5066/P98CA3D5

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