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.
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Simulation-based scenario ShakeMaps for large magnitude (Mw6.5+) crustal earthquakes on the Seattle, Tacoma, and southern Whidbey Island faults, Washington, USA Simulation-based scenario ShakeMaps for large magnitude (Mw6.5+) crustal earthquakes on the Seattle, Tacoma, and southern Whidbey Island faults, Washington, USA
This dataset consists of 3-component acceleration timeseries that describe ground shaking from simulated Mw6.5+ earthquakes on the Seattle, Tacoma, and southern Whidbey Island faults in Washington State. These were produced in support of the development of simulation-based scenario ShakeMaps, as described in Stone et al. (2026). Individual scenarios span a variety of different source...
Gas and heat emission measurements at the Mud Volcano area, Yellowstone National Park Gas and heat emission measurements at the Mud Volcano area, Yellowstone National Park
We measured soil CO2 fluxes on grids with the accumulation chamber method on July 15-17, 2021, September 10, 2022, and May 6-7, 2025, at Mud Volcano, an acid-sulfate, vapor-dominated area in Yellowstone National Park, WY. We also monitored variations in CO2, H2O and sensible and latent heat fluxes, air temperature and pressure, and wind speed and direction on a half-hourly basis from...
Sierra Nevada Tree Mortality Data for Global Analysis Sierra Nevada Tree Mortality Data for Global Analysis
These data were collected as part of the USGS Sierra Nevada Forest Dynamics Study. They include tree mortality data from 30 plots located along an elevational gradient in the Sierra Nevada of California from 1982 to 2019. Although the data were collected annually, for purposes of compatibility with a global analysis, they were abstracted to five-year census intervals.
Compilation and recalculation of Cretaceous-Miocene intrusive igneous crystallization geochronology from the northern Rocky Mountains, Montana and Idaho, USA Compilation and recalculation of Cretaceous-Miocene intrusive igneous crystallization geochronology from the northern Rocky Mountains, Montana and Idaho, USA
This dataset presents a recalculated compilation of geochronology ages of Cretaceous-Miocene intrusive rocks and volcanic plugs in the northern Rocky Mountains USA, with a focus on Montana and Idaho. Mineral assessments and prospectivity mapping requires detailed spatiotemporal understanding of magma systems in the upper crust to predict when and where ore deposits may have formed...
Metapopulation model inputs for riverine fish with applications including native and invasive fish passage scenarios and silver carp control scenarios within the Mississippi River Basin Metapopulation model inputs for riverine fish with applications including native and invasive fish passage scenarios and silver carp control scenarios within the Mississippi River Basin
This data release contains data inputs for the Metapopulation Integral Projection Model (MetaIPM). These inputs include demographic rate data (such as fish growth) and movement rate data (such as fish movement across river pools). The data are designed to be downloaded by a Shiny Application (point-and-click version of the model). Each species and scenario requires its own data inputs...
Digital input data and model output for a three-dimensional hydrogeologic framework for the Great Basin carbonate and alluvial aquifer system of Nevada, Utah, and parts of adjacent states Digital input data and model output for a three-dimensional hydrogeologic framework for the Great Basin carbonate and alluvial aquifer system of Nevada, Utah, and parts of adjacent states
This digital dataset was created as part of a U.S. Geological Survey (USGS) regional groundwater assessment of the eastern Great Basin; the project was called the Great Basin Carbonate-Alluvial Aquifer Study (GBCAAS). The study area has a geographic extent of 110,000 square miles, predominantly in eastern Nevada and western Utah. As part of this larger study, the USGS developed digital...