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Gridded uniform hazard peak ground acceleration data and 84th-percentile...
The Maximum Considered Earthquake Geometric Mean (MCEG) peak ground acceleration (PGA) values of the 2020 NEHRP Recommended Seismic Provisions and 2022 ASCE/SEI 7 Standard are... -
Declustered catalog of induced earthquakes without duplicates
The U. S. Geological Survey (USGS) makes long-term seismic hazard forecasts that are used in building codes. The hazard models usually consider only natural seismicity; non-... -
Geospatial Data for Bridge Scour Countermeasure Assessments at Select...
Scouring of streambed material surrounding bridge structures is a leading cause of bridge failure in the United States. Damages resulting from bridge failure oftentimes lead to... -
Hydrographic Surveys of the Missouri River at Deroin chute, 2011-13
An Innerspace 456 single-beam echosounder in conjunction with a Trimble® differential Global Positioning System (DGPS), HYPACK® navigation software, and Ashtech Z-Xtreme and... -
Drainage areas for selected stream-sampling stations, Missouri River Basin
As part of the U.S. Geological Survey's (USGS) National Water-Quality Assessment Program (NAWQA), an investigation of the Missouri River Basin is being conducted to document... -
Data: Current and future GISS MODEL-ER climate data for NHD v2 catchments...
This dataset represents results from this study attributed to the NHDPlus V2 catchments. Changes in climate occurring throughout the Mississippi River Basin are expected to lead... -
Sampled Sites for the U.S. Geological Survey Midwest Stream Quality Assessment
In 2013, the first of several Regional Stream Quality Assessments (RSQA) was done in the Midwest United States. The Midwest Stream Quality Assessment (MSQA) was a collaborative... -
Bathymetric Contours for Prairie Rose Lake, Shelby County, Iowa
This data set consists of digital bathymetry contours for Prairie Rose Lake in Shelby Co., Iowa. The U.S. Geological Survey conducted a bathymetric survey of Prairie Rose Lake... -
Data for Radium Mobility and the Age of Groundwater in Public-drinking-water...
High radium (Ra) concentrations in potable portions of the Cambrian-Ordovician (C-O) aquifer system were investigated using water-quality data and environmental tracers ( 3H,... -
Gridded risk-targeted spectral response acceleration data and...
The Risk-Targeted Maximum Considered Earthquake (MCER) spectral response accelerations of the 2020 NEHRP Recommended Seismic Provisions and 2022 ASCE/SEI 7 Standard are derived... -
Geodatabase of the datasets used to represent the four aquifer subunits of...
This geodatabase includes spatial datasets that represent the Cambrian-Ordovician aquifer system in the States of Wisconsin, Michigan, Minnesota, Iowa, and Illinois. Included... -
Watershed Boundaries for the U.S. Geological Survey Midwest Stream Quality Assessment
In 2013, the first of several Regional Stream Quality Assessments (RSQA) was done in the Midwest United States. The Midwest Stream Quality Assessment (MSQA) was a collaborative... -
MODFLOW-NWT model used to simulate groundwater levels in the Des Moines...
The U.S. Geological Survey constructed a steady-state numerical groundwater flow model in cooperation with Des Moines Water Works (DMWW) to simulate groundwater flow conditions... -
SiteID-032 Old Man's Creek, at Iowa State Route 1 near Iowa City, IA
These geospatial data were collected during the August 31, 2016 topographic and hydrographic survey of Old Man's Creek in the vicinity of Iowa State Route 1 near Iowa City, IA. -
Data Release for Dissolved Gas, Environmental Tracer Concentrations, and...
This data release documents nine Microsoft Excel tables that contain data for understanding groundwater ages in the Glacial aquifer system. Results for the four sample networks... -
Total Thickness of Glacial Deposits
The glacial aquifer system of the United States encompasses all or parts of 25 states and is the most widely used supply of drinking water in the Nation (Maupin and Barber,... -
Hazard curve data for annual rate of exceedance versus peak ground acceleration
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... -
Missouri River bed elevations near Fort Calhoun Power Plant surveyed during...
A RESON SeaBat™ 7125 multibeam echosounder in conjunction with an Applanix Position Orientation Solution for Marine Vessels (POS MV™) WaveMaster system motion sensor,... -
Multi-Agency Gage Height and Discharge Datasets for Selected Streamgages on...
This dataset includes data for 12 selected streamgages on the Missouri River from 10/01/1936 through 12/31/2018. The data include time series of gage height at the following... -
0.2-second spectral response acceleration (5% of critical damping) with a 1%...
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...