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Earthquake geology inputs for the National Seismic Hazard Model (NSHM) 2023 (central and eastern United States), version 1.0 Earthquake geology inputs for the National Seismic Hazard Model (NSHM) 2023 (central and eastern United States), version 1.0
This Data Release contains three related databases for the Central and Eastern United States: 1) A fault sections database ("NSHM2023_FaultSections_CEUS_v1"), which depicts the geometry of faults capable of hosting independent earthquakes, 2) A fault zone polygon database ("NSHM2023_FaultPolygons_CEUS_v1"), which depicts the geometry of distributed fault zones capable of hosting repeated...
Datasets documenting limited evidence of Late Pleistocene tectonic surface deformation in the Eastern Tennessee Seismic Zone, Tennessee, USA Datasets documenting limited evidence of Late Pleistocene tectonic surface deformation in the Eastern Tennessee Seismic Zone, Tennessee, USA
These datasets provide lineament mapping, catchment-averaged metrics of hypsometry and channel steepness, field observations, and a structure from motion model and orthomosiac photograph of sites in the Eastern Tennessee seismic zone in eastern Tennessee, USA. The lineament mapping contains linework of possible neotectonic features mapped from 1-m lidar data. Catchment-averaged metric of
Datasets documenting lineament mapping and neotectonic observations in northern New Mexico Datasets documenting lineament mapping and neotectonic observations in northern New Mexico
These datasets provide remotely mapped lineaments and neotectonic observations in northern New Mexico, based on 1-m lidar and satellite imagery data. Some lineaments are interpreted to be Quaternary-active faults, whereas others are interpreted to be older bedrock faults with no evidence for Quaternary movement. Simplified fault traces for interpreted Quaternary-active faults are...
Datasets documenting neotectonic mapping of Puerto Rico Datasets documenting neotectonic mapping of Puerto Rico
This data release documents neotectonic mapping of fault-related features on high-resolution lidar-derived topography, data documenting an exposure of the South Lajas fault, and summary information for active and potentially active Quaternary faults on the island of Puerto Rico. The data documenting the exposure of the South Lajas fault include detailed unit descriptions, radiocarbon...
Earthquake geology inputs for the National Seismic Hazard Model (NSHM) 2025 (Puerto Rico and U.S. Virgin Islands), version 1.0 Earthquake geology inputs for the National Seismic Hazard Model (NSHM) 2025 (Puerto Rico and U.S. Virgin Islands), version 1.0
This Data Release contains preliminary versions of three related geologic input databases for the Puerto Rico and U.S. Virgin Islands (PRVI) region (62°–70° W and 16°–21° N) of the United States: 1) A fault sections database (“NSHM2025_FaultSections_PRVI_v1’”), which depicts the geometry of faults capable of hosting independent earthquakes, 2) a fault-zone polygon database ("NSHM2025...
Spatial Data in Support of the Characterization of Water Resources near the Southeastern Part of Puget Sound, Washington Spatial Data in Support of the Characterization of Water Resources near the Southeastern Part of Puget Sound, Washington
The data within this data release presents information used to characterize the groundwater-flow system and the development of a groundwater-flow model in the active model area. Conceptual and numerical models of groundwater flow were developed by the U.S. Geological Survey Washington Water Science Center, in close cooperation with 18 water-resource agencies and stakeholders, to assess...
Hydrodynamic and sediment transport data from two salt marshes and adjacent shallows in Northern San Francisco Bay, California 2022-2023 Hydrodynamic and sediment transport data from two salt marshes and adjacent shallows in Northern San Francisco Bay, California 2022-2023
The U.S. Geological Survey Pacific Coastal and Marine Science Center collected hydrodynamic and sediment-transport data at shallow subtidal and intertidal sites in Corte Madera Bay and San Pablo Bay National Wildlife Refuge (SPNWF) in San Francisco Bay, CA, as well as on the marsh plain of SPNWF marsh and in a tidal creek and on the marsh plain of Corte Madera Marsh, in 2022 and 2023...
Digital Shoreline Analysis System (version 6) Digital Shoreline Analysis System (version 6)
The Digital Shoreline Analysis System (version 6) is a stand-alone desktop application that complements a Geographic Information System (GIS). The DSAS software requires users to input a reference baseline and compilation of shoreline positions to generate measurement transects and shoreline intersections used to calculate rate-of-change statistics. DSAS provides an automated method for
Monthly normalized scaled surface wind friction velocity in the Uinta-Piceance Basin (UT, CO) for March to October from 2001 to 2016 Monthly normalized scaled surface wind friction velocity in the Uinta-Piceance Basin (UT, CO) for March to October from 2001 to 2016
These data were compiled to conduct a study on the effect of oil and gas development on dust emission potential in the Upper Colorado River Basin. The objectives of the study were to 1) assess the effect of oil and gas development on surface roughness, and 2) model the resultant effect of oil and gas development on sediment mass flux for a range of 10-m wind speeds and threshold wind...
Geomorphic basemap for the Colorado River in Grand Canyon, Arizona - May 2009 Geomorphic basemap for the Colorado River in Grand Canyon, Arizona - May 2009
These spatial data represent alluvial deposits of the Colorado River and tributary deposits adjacent to the Colorado River in Grand Canyon National Park. The map covers the river corridor from Lees Ferry, Arizona to the confluence with Diamond Creek 225 miles (362 km) downstream. The alluvial deposits of the Colorado River are mapped as either sand or gravel based on surface composition...
Expert judgment data for a Bayesian decision network of prescribed fire in Gulf of Mexico marshes (ver. 1.1, August 2025) Expert judgment data for a Bayesian decision network of prescribed fire in Gulf of Mexico marshes (ver. 1.1, August 2025)
This data set was collected as part of structured decision-making workshops designed to build a Bayesian Decision Network of prescribed fire in high marshes of the Gulf of Mexico. As part of a formal elicitation process for expert judgment, workshop participants independently created conditional probability tables based on a conceptual model of prescribed fire in high marsh ecosystems...
USGS National and Global Oil and Gas Assessment Project—Southwestern Wyoming Province, Lewis Shale Conventional and Continuous Assessment Unit Boundaries, Assessment Input Data, and Fact Sheet Data Tables USGS National and Global Oil and Gas Assessment Project—Southwestern Wyoming Province, Lewis Shale Conventional and Continuous Assessment Unit Boundaries, Assessment Input Data, and Fact Sheet Data Tables
This data release contains the boundaries of assessment units and input data for the assessment of undiscovered conventional and continuous oil and gas resources in in the Lewis Shale of the Southwestern Wyoming Province, Wyoming and Colorado. The Assessment Unit is the fundamental unit used in the National Assessment Project for the assessment of undiscovered oil and gas resources. The...