Data Releases
The data collected and the techniques used by USGS scientists should conform to or reference national and international standards and protocols if they exist and when they are relevant and appropriate. For datasets of a given type, and if national or international metadata standards exist, the data are indexed with metadata that facilitates access and integration.
Filter Total Items: 17446
Whole rock geochemical data from Arizona porphyry mineral systems (2025) Whole rock geochemical data from Arizona porphyry mineral systems (2025)
This report includes whole rock geochemical data from a newly collected suite of samples from igneous systems across Arizona. The data release includes samples collected in calendar year 2025 that support an ongoing, multi-year project dedicated to characterizing magmatic porphyry systems toward understanding possible basement influence on porphyry style mineralization. This preliminary...
Multi-well Aquifer Test Characteristics for Johnson County, Iowa, 1943-2022 Multi-well Aquifer Test Characteristics for Johnson County, Iowa, 1943-2022
Data from 44 aquifer tests conducted on wells completed in the Silurian-Devonian aquifers within and around Johnson County, Iowa, have been gathered and reformatted to enable easier data analysis and to determine the characteristics of both aquifers. The data were digitally available from the Iowa Geological Survey (IGS) and represent pump tests at selected wells from 1943 to 2022. The...
Argon data for Tuvatu Gold Mine, Fiji Argon data for Tuvatu Gold Mine, Fiji
Ar/Ar data are for 1 sample that constrains the cooling age of biotite. The geochronology provides time constraints for the age of gold mineralization in the Tuvatu Gold Mine in Fiji. Samples were provided by Thomas Monecke (Colorado School of Mines). Samples were analyzed in January 2024.
Data from laboratory testing of specimens from near the Barry Arm, Alaska, landslide Data from laboratory testing of specimens from near the Barry Arm, Alaska, landslide
We performed ring shear strength tests of three specimens from a flysch unit involved in a large landslide that occupies a hillslope above the north side of Barry Arm in Prince William Sound, Alaska. A contract laboratory performed additional ring shear strength tests and index property tests. The test specimens are referred to as 22BABC001, 22BABC002, and RMC-02-220723. Ring shear tests...
Displacement and groundwater pressure data from the Carmel Knoll and Johnson Creek landslides, Oregon, USA Displacement and groundwater pressure data from the Carmel Knoll and Johnson Creek landslides, Oregon, USA
Coastal landslides such as the Carmel Knoll and Johnson Creek landslides located in Lincoln County, Oregon, reactivate during most winter rainy seasons when groundwater pressures are elevated. We collected landslide displacement and groundwater pressure head data at 15-minute to 60-minute intervals using solar- and battery-powered dataloggers at the aforementioned landslides to assist...
Data for Evaluating 1,2-Dibromo-3-Chloropropane (DBCP) Trends in California Groundwater Data for Evaluating 1,2-Dibromo-3-Chloropropane (DBCP) Trends in California Groundwater
This data release documents dibromochloropropane (DBCP) data and environmental tracer data used to evaluate long-term trends and the history of DBCP in recharge in California groundwater. DBCP data from the California State Water Resources Control Board’s Division of Drinking Water (SWRCB-DDW), the USGS Groundwater Ambient Monitoring and Assessment Priority Basin Project (USGS GAMA-PBP)...
Pesticide concentrations in soil, plant tissue, and grasshoppers collected in wildlife refuges in the San Joaquin Valley, California 2024-2025 Pesticide concentrations in soil, plant tissue, and grasshoppers collected in wildlife refuges in the San Joaquin Valley, California 2024-2025
Pesticide exposure is posited as one of the drivers of arthropod declines, which can in turn affect food availability and safety for vertebrates that consume insects including state and federally endangered species, such as the blunt nosed-leopard lizard (BNLL) (Gambelia sila). State wildlife areas and national wildlife refuges are designed to support species and their habitats; however...
Laboratory data for natural and experimental gouge samples from the Pütürge segment of the East Anatolian Fault Zone, Turkey (Türkiye): X-ray diffraction, triaxial shearing experiments, and energy dispersive X-ray spectroscopy Laboratory data for natural and experimental gouge samples from the Pütürge segment of the East Anatolian Fault Zone, Turkey (Türkiye): X-ray diffraction, triaxial shearing experiments, and energy dispersive X-ray spectroscopy
Mineral assemblages, frictional properties, and deformation mechanisms were investigated in samples collected from an outcrop exposure of the Pütürge segment of the East Anatolian Fault Zone, Turkey (Türkiye). X-ray diffraction (XRD) analysis was performed on five samples to determine the minerals present. Triaxial shearing experiments were conducted at the USGS Rock Physics Laboratory...
Water level and wave heights for Salish Sea Coastal Storm Modeling System Water level and wave heights for Salish Sea Coastal Storm Modeling System
This dataset provides wave, water level and non-tidal residual (NTR) timeseries for a reanalysis period and future projections for the mid-century. Data are available at nearshore stations across the Salish Sea and are packaged by county. Data support coastal Storm Modeling System (CoSMoS) scenarios and available for a multiple sea-level conditions (0 - 3 m).
Simplified frontal thrust splay fault geometries at the Cascadia Subduction Zone mapped using multi-channel seismic (MCS) reflection data Simplified frontal thrust splay fault geometries at the Cascadia Subduction Zone mapped using multi-channel seismic (MCS) reflection data
This dataset contains offshore fault geometries for frontal thrust splay faults in the Cascadia Subduction Zone (CSZ) that were mapped and developed for use in 3D ground motion simulations (Dunham and others, 2025). There are a total of 6 thrust faults (A-F), three of the faults (A-C) were mapped by interpretation of seismic reflection data (Ledeczi and others, 2024; Lucas and others...
Water-quality data for the Clark Fork and tributaries in the upper Clark Fork Basin, Montana, October 2023-September 2024 Water-quality data for the Clark Fork and tributaries in the upper Clark Fork Basin, Montana, October 2023-September 2024
Water was sampled in streams from Butte to near Missoula, Montana, as part of a long-term monitoring program in the upper Clark Fork Basin. The sampling program was completed by the U.S. Geological Survey (USGS), in cooperation with the U.S. Environmental Protection Agency, to characterize aquatic resources in the upper Clark Fork Basin and monitor trace elements associated with...
Structure from Motion 3 m DEM of Vicksburg, MS created from 1938 aerial imagery Structure from Motion 3 m DEM of Vicksburg, MS created from 1938 aerial imagery
The dataset is a 3 m spatial resolution Digital Elevation Model (DEM) representing terrain heights in northern Vicksburg, MS and Vicksburg National Military Park in 1938. The DEM was created using structure from motion-aided (SfM-aided) photogrammetry techniques in Agisoft Metashape (v 2.1.1). The aerial images were acquired on June 30, 1938 by Pan American Aerial Surveys for the U.S...