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A one-year seismic hazard forecast for the Central and Eastern United States, based on induced and natural earthquakes, has been produced by the U.S. Geological Survey. The model assumes that earthquake rates calculated from several different time windows will remain relatively stationary and can be used to forecast earthquake hazard and damage intensity for the year 2016. This assessment is the first step in developing an operational earthquake forecast for the CEUS, and the analysis could be revised with updated seismicity and model parameters. Consensus input models consider alternative earthquake catalog durations, smoothing parameters, maximum magnitudes, and ground motion estimates, and represent uncertainties...
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A one-year seismic hazard forecast for the Central and Eastern United States, based on induced and natural earthquakes, has been produced by the U.S. Geological Survey. The model assumes that earthquake rates calculated from several different time windows will remain relatively stationary and can be used to forecast earthquake hazard and damage intensity for the year 2016. This assessment is the first step in developing an operational earthquake forecast for the CEUS, and the analysis could be revised with updated seismicity and model parameters. Consensus input models consider alternative earthquake catalog durations, smoothing parameters, maximum magnitudes, and ground motion estimates, and represent uncertainties...
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This dataset includes the locations of magnetotelluric (MT) stations collected in 2006 in the Southern San Luis Valley, Colorado. The U.S. Geological Survey conducted a series of multidisciplinary studies, including MT surveys, in the San Luis Valley to improve understanding of the hydrogeology of the Santa Fe Group and the nature of the sedimentary deposits comprising the principal groundwater aquifers of the Rio Grande rift. The shallow unconfined and the deeper confined Santa Fe Group aquifers in the San Luis Basin are the main sources of municipal water for the region. The population of the San Luis Valley region is growing rapidly and water shortfalls could have serious consequences. Future growth and land...
This point dataset contains geologic information concerning regolith thickness and top-of-bedrock altitude at selected well and test-hole locations in the Lower Gunnison River Basin in Delta, Montrose, Ouray, and Gunnison Counties, Colorado. Regolith-thickness data were compiled from lithologic logs of wells and boreholes reported by the Colorado Division of Water Resources, U.S. Geological Survey, and Bureau of Reclamation. Bedrock-altitude values were computed from the bedrock altitude raster dataset (bralt). The U.S. Geological Survey prepared this dataset in cooperation with the Colorado Water Conservation Board.
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The Great Plains Landscape Conservation Cooperative (GPLCC, https://www.fws.gov/science/catalog) is a partnership that provides applied science and decision support tools to assist natural resource managers conserve plants, fish and wildlife in the mid- and short-grass prairie of the southern Great Plains. It is part of a national network of public-private partnerships — known as Landscape Conservation Cooperatives (LCCs, http://www.fws.gov/science/shc/lcc.html) — that work collaboratively across jurisdictions and political boundaries to leverage resources and share science capacity. The Great Plains LCC identifies science priorities for the region and helps foster science that addresses these priorities to support...
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This is a shape file and coverage of the top of the Rollins Sandstone Member. It outlines the area underlain by the coal-bearing Cameo/Fairfield coal group in the southern Piceance Basin coal assessment area. Also, it delimits the area within which resources were calculated and reported in the southern Piceance Basin coal assessment area. The polygon was adjusted to match the topography of the DEM.
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This is a shapefile and point coverage of 627 data points used in the assessment of coal in the southern Piceance Basin study area. Information in this file includes x, y location and point identifier. Lithologic and stratigraphic data and the geographic distribution of coal are based on our interpretations of geophysical logs from 526 drill holes as well as published lithologic descriptions from 31 coal exploration holes and 70 published stratigraphic sections described from outcrops.
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Introduction This data release is a compilation of known landslides, debris flows, lahars, and outburst floods that generated seismic signals observable on existing seismic networks. The data release includes basic information about each event such as location, volume, area, and runout distances as well as information about seismic detections and the location of seismic data, photos, maps, GIS files, and links to papers, websites, and media reports about the event. Not all record types exist for each event, and the quality of the information varies from event to event. While the SQLite3 database (lsseis.db) is the native format of this database and preserves its relational structure, for the convenience of users,...
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This dataset consists of contours showing the generalized altitude of the potentiometric surface for the shallow groundwater system in the Lower Gunnison River Basin in Delta, Montrose, Ouray, and Gunnison Counties, Colorado. Potentiometric-surface altitude was contoured from values in the raster dataset potalt. The U.S. Geological Survey prepared this dataset in cooperation with the Colorado Water Conservation Board.
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This dataset consists of isopach contours showing the generalized thickness of regolith sediments (alluvium, colluvium, and weathered bedrock) overlying well-consolidated bedrock in the Lower Gunnison River Basin in Delta, Montrose, Ouray, and Gunnison Counties, Colorado. Regolith thickness was contoured manually on the basis of regolith-thickness values in the point dataset geologic_data. The U.S. Geological Survey prepared this dataset in cooperation with the Colorado Water Conservation Board.
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This generalized geology dataset was developed as input to a total dissolved solids Spatially Referenced Regressions on Watershed Attributes (SPARROW) model for the Upper Colorado River Basin (UCRB; Kenney and others, 2009) and for a more recent update to that model. The largest source of naturally generated dissolved solids in streams of the UCRB is the rocks underlying stream basins, particularly rocks high in dissolvable minerals. For the purposes of modeling, the scale of the geologic dataset optimally should be similar to the scale of the stream-catchment network used in the model but simplified to reduce the number of geologic units represented in the data. This dataset was developed to meet both scale and...
All secondary roads in the western United States from the 2000 US Census TIGER/line files. Secondary roads are defined as all roadways not classified as an interstate, state highway, or federal highway.
map background search result map search result map Final Critical Habitat (Linear Features) for the Great Plains Landscape Conservation Cooperative All Secondary Roads in the Western United States Chance of damage from an earthquake in 2016 based on the average of horizontal spectral response acceleration for 1.0-second period and peak ground acceleration for the Western United States Chance of damage from an earthquake in 2016 based on horizontal spectral response acceleration for 1.0-second period for the Central and Eastern United States Magnetotelluric sounding locations, stations 1 to 22, Southern San Luis Valley, Colorado, 2006 Generalized 1:500,000-scale geology of the Upper Colorado River Basin Selected geologic data for the shallow groundwater system in the Lower Gunnison River Basin, Colorado Potentiometric-surface altitude contours for the shallow groundwater system in the Lower Gunnison River Basin, Colorado Regolith-thickness contours for the shallow groundwater system in the Lower Gunnison River Basin, Colorado Seismogenic Landslides, Debris Flows, and Outburst Floods in the Western United States and Canada from 1977 to 2017 Dos Rios LCD Aquifers The Base of the Parachute Creek Member Digital Line Outcrop of the Piceance Basin, Colorado Quality characterization of Cretaceous coal from the Colorado Plateau coal assessment study area, 2000 (cpchmg) Mahogany Bed and Parachute Creek Member Digital Line Outcrops of the Uinta Basin, Utah and Colorado Reporting Polygons to Summarize Overburden Material Above the Mahogany Zone in the Piceance Basin, Colorado Reporting Polygons to Summarize Overburden Material Above the Mahogany Bed in the Uinta Basin, Utah and Colorado Area of coal-bearing Mesaverde Formation and Mesaverde Group, southern Piceance Basin assessment area, Colorado (psmvbndg) Dta points used in assessment of coal in the southern Piceance basin study area (psptg) Oil Shale Core Hole and Rotary Hole Locations in the State of Utah and Colorado Isopachs of net coal in the B and D coal zones, Deserado study area, Lower White River coal field, CO (des*thkg) Isopachs of net coal in the B and D coal zones, Deserado study area, Lower White River coal field, CO (des*thkg) Magnetotelluric sounding locations, stations 1 to 22, Southern San Luis Valley, Colorado, 2006 The Base of the Parachute Creek Member Digital Line Outcrop of the Piceance Basin, Colorado Potentiometric-surface altitude contours for the shallow groundwater system in the Lower Gunnison River Basin, Colorado Selected geologic data for the shallow groundwater system in the Lower Gunnison River Basin, Colorado Regolith-thickness contours for the shallow groundwater system in the Lower Gunnison River Basin, Colorado Reporting Polygons to Summarize Overburden Material Above the Mahogany Zone in the Piceance Basin, Colorado Final Critical Habitat (Linear Features) for the Great Plains Landscape Conservation Cooperative Dta points used in assessment of coal in the southern Piceance basin study area (psptg) Area of coal-bearing Mesaverde Formation and Mesaverde Group, southern Piceance Basin assessment area, Colorado (psmvbndg) Reporting Polygons to Summarize Overburden Material Above the Mahogany Bed in the Uinta Basin, Utah and Colorado Mahogany Bed and Parachute Creek Member Digital Line Outcrops of the Uinta Basin, Utah and Colorado Oil Shale Core Hole and Rotary Hole Locations in the State of Utah and Colorado Dos Rios LCD Aquifers Quality characterization of Cretaceous coal from the Colorado Plateau coal assessment study area, 2000 (cpchmg) Generalized 1:500,000-scale geology of the Upper Colorado River Basin All Secondary Roads in the Western United States Chance of damage from an earthquake in 2016 based on the average of horizontal spectral response acceleration for 1.0-second period and peak ground acceleration for the Western United States Chance of damage from an earthquake in 2016 based on horizontal spectral response acceleration for 1.0-second period for the Central and Eastern United States Seismogenic Landslides, Debris Flows, and Outburst Floods in the Western United States and Canada from 1977 to 2017