Description
Seismic hazard assessments depend on an accurate prediction of ground motion, which in turn depends on a base knowledge of three-dimensional variations in density, seismic velocity, and attenuation. The datasets here are components of a National Crustal Model that couples geologic characteristics and geophysical parameters using a physical theoretical foundation combined with measured data for calibration. The model is intended to be internally consistent and seamless on a national scale; care is also taken to maximize consistency with existing regional models. An initial version of the model components are defined for the western U.S. on a 1-km grid. While the current focus of this effort is on improving estimates of site response in seismic hazard analysis, this model can benefit other fields of research.
Resources
| Name | Format | Description | Link |
|---|---|---|---|
| Original Metadata | XML | The metadata original format | Open resource |
| Digital Data | XML | Landing page for access to the data | Open resource |
Tags
- arizona
- basement
- basins
- california
- cggsc
- colorado
- depth-to-basement
- earthquake-hazards
- earthquake-response
- earthquakes
- geologic-hazards-science-center
- geology-geophysics-and-geochemistry-science-center
- geoscientificinformation
- ghsc
- gravity
- hazards
- idaho
- kansas
- montana
- national-crustal-model
- nebraska
- nevada
- new-mexico
- north-dakota
- oklahoma
- oregon
- regional-study
- sediments
- south-dakota
- texas
- three-dimensional-mapping
- unconsolidated-sediments
- usgs-5b046c6ce4b0d8682b96353a
- washington
- western-united-states
- wyoming