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This dataset provides location information for the airborne electromagnetic (AEM) lines across Crowleys Ridge in the New Madrid seismic zone, central US. The AEM data are interpreted and discussed in the associated publication
This release provides the data and interpretations supporting evidence of late Quaternary faulting along Crowleys Ridge in the New Madrid seismic zone. The release includes location information for seismic reflection and airborne electromagnetic (AEM) data over Crowleys Ridge, a table of topographic metrics derived from analysis of the 10m National Elevation Dataset (NED) digital elevation model (DEM), a shapefile of scarps mapped on a 1m bare-earth lidar DEM, and a shapefile of a revised New Madrid seismic zone fault network interpretation. These datasets are associated with the publication: Thompson Jobe, J.A., Gold, R.D., Briggs, R.W., Williams, R.A., Stephenson, W.J., Delano, J.E., Shah, A.K., Minsley, B.J.,...
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Time-averaged shear wave velocity over the upper 30 meters of the earth's surface (Vs30) is a key parameter for estimating ground motion amplification as both a predictive and diagnostic tool for earthquake hazards. A first-order approximation of Vs30 is commonly obtained via a topographic slope-based or terrain proxy due to the widely available nature of digital elevation models. However, better-constrained Vs30 maps have been developed in many regions. Such maps preferentially employ various combinations of Vs30 measurements, higher-resolution slope, lithologic, geologic, geomorphic, and other proxies, and often utilize refined interpolation schemes. We develop a new hybrid global Vs30 map database that defaults...
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This dataset provides landscape and catchment metrics derived from a topographic analysis of the 10m National Elevation Dataset (NED) Digital Elevation Model (DEM).


    map background search result map search result map New Madrid-central section M7.3 New Madrid-central section M7.7 New Madrid-north section M7.1 New Madrid-north section M7.5 New Madrid-south section M7.3 New Madrid-south section M7.7 New Madrid Aftershock 1 M6.3 New Madrid Mainshock 1 Point Source M7.7 New Madrid Mainshock 1 Finite Fault M7.7 New Madrid Mainshock 2 Point Source M7.7 New Madrid Mainshock 2 Finite Fault M7.7 National Level Exercise 2011 New Madrid southwest M7.7 New Madrid southwest M7.7 zoom-out Location of AEM lines across Crowleys Ridge Landscape metrics from topographic analysis of Crowleys Ridge Location of AEM lines across Crowleys Ridge Landscape metrics from topographic analysis of Crowleys Ridge