Found 374 datasets matching "crustal".
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The Crustal Ages of the Ocean Floor Poster was created at NGDC using the Crustal Ages of the Ocean Floor database draped digitally over a relief of the ocean floor database. The Crustal Ages of...
Search relevance: 104.87 | Views last month: 2 -
The U.S. Geological Survey National Crustal Model (NCM) is being developed to include spatially varying estimates of site response in seismic hazard assessments. Primary outputs of the NCM are...
Search relevance: 101.83 | Views last month: 0 -
We present a numeric grid containing estimates of the depth to the pre-Cenozoic basement for the western United States. Values for these grids were combined and integrated from previous studies or...
Search relevance: 100.60 | Views last month: 1 -
We present a numeric grid containing estimates of the thickness of unconsolidated sediments for the western United States. Values for these grids were combined and integrated from previous studies...
Search relevance: 99.18 | Views last month: 0 -
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...
Search relevance: 97.68 | Views last month: 6 -
We present a petrologic and mineral physics database as part of the USGS National Crustal Model (NCM) for the western United States. Each of 209 geologic units, 134 of which are currently part of...
Search relevance: 97.04 | Views last month: 1 -
This bundle contains a large-scale map of the lunar crustal magnetic field at 30 km altitude covering latitudes from 65 degrees south to 65 degrees north. This map has been produced using high...
Search relevance: 96.58 | Views last month: 2 -
A seismic hazard model for South America, based on a smoothed (gridded) seismicity model, a subduction model, a crustal fault model, and a ground motion model, has been produced by the U.S....
Search relevance: 91.93 | Views last month: 0 -
A three-dimensional (3D) geologic framework of the conterminous United States is presented here as part of the U.S. Geological Survey National Crustal Model for Seismic Hazard Studies. The...
Search relevance: 91.33 | Views last month: 0 -
Crustal Architecture Beneath the Southern Midcontinent (USA) -- Data Grids and 3D Geophysical Models
Regional grid files and 3D voxel models were used to study crustal architecture beneath the Southern Midcontinent (USA) by McCafferty and others (2019). The study covered a rectangular,...
Search relevance: 73.53 | Views last month: 0 -
This 3D voxel model of density in GOCAD format was used to study crustal architecture beneath the Southern Midcontinent (USA) by McCafferty and others (2019). The study covered a rectangular,...
Search relevance: 72.42 | Views last month: 0 -
Regional geophysical data grid files provided in Grid eXchange File (GXF) format were used to study crustal architecture beneath the Southern Midcontinent (USA) by McCafferty and others (2019)....
Search relevance: 70.06 | Views last month: 0 -
This 3D voxel model of magnetic susceptibility in GOCAD format was used to study crustal architecture beneath the Southern Midcontinent (USA) by McCafferty and others (2019). The study covered a...
Search relevance: 69.66 | Views last month: 2 -
In December 2005 and January 2006, an interdisciplinary team of 38 scientists ventured to a deep sea site north of the Galapagos Islands to conduct research on the Galapagos Spreading Center,...
Search relevance: 68.02 | Views last month: 0 -
Regional surface elevation grid files provided in Grid eXchange File (GXF) format were used to study crustal architecture beneath the Southern Midcontinent (USA) by McCafferty and others (2019)....
Search relevance: 67.59 | Views last month: 0 -
A 3D temperature model is constructed in order to support the estimation of physical parameters within the USGS National Crustal Model. The crustal model is defined by a geological framework...
Search relevance: 54.26 | Views last month: 1 -
This data release contains field data for two P-wave seismic reflection profiles acquired across the Warm Springs Valley fault zone, part of the Northern Walker Lane, NV. The dataset consists of ...
Search relevance: 51.66 | Views last month: 1 -
Three shapefiles in this submission show the position of proposed seismic line surveys. The mid-crustal velocity anomaly file shows the extent of an anomalously low P-wave velocity zone in the...
Search relevance: 50.66 | Views last month: 0 -
Ground movement is evaluated through analysis of Interferometric Synthetic Aperture Radar (InSAR) interferograms. Results indicate there has been no detectable ground movement at millimeter scale....
Search relevance: 48.78 | Views last month: 2 -
The Mohorovicic discontinuity or 'Moho' maps the boundary between the earth's crust and mantle and is defined by an abrupt change in seismic velocity due to changes in the density of rocks between...
Search relevance: 41.57 | Views last month: 0
