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Tephra accumulation and wind data for Kīlauea’s 2008–2018 lava lake eruption Tephra accumulation and wind data for Kīlauea’s 2008–2018 lava lake eruption
The 2008–2018 summit eruption at Kīlauea formed an active and slowily expanding lava lake within Halemaʻumaʻu Crater that lasted 10 years before draining. To consistently collect proximal tephra ejected from the lava lake, which was nested within the new, informally named “Overlook crater,” a network of ten plastic buckets was established early and emptied on most days of the eruption...
Altitude of the Potentiometric Surfaces of the Memphis aquifer, Shelby County, TN Altitude of the Potentiometric Surfaces of the Memphis aquifer, Shelby County, TN
The Memphis aquifer is the primary source of groundwater for municipal, industrial, and commercial uses in the Memphis area. The Memphis area includes all of Shelby County and parts of Tipton and Fayette Counties in Tennessee, parts of DeSoto and Marshall Counties in Mississippi, and part of Crittenden County in Arkansas (Kingsbury, 2018). Long-term withdrawals form the aquifer since...
Airborne electromagnetic and magnetic survey near Coalinga and Pyramid Hills, California, 2022 Airborne electromagnetic and magnetic survey near Coalinga and Pyramid Hills, California, 2022
Airborne electromagnetic (AEM) and magnetic survey data were collected during November 2022 over a total distance of 2,372 line kilometers over two study areas in the Pleasant Valley near the city of Coalinga, California and the region surrounding the Pyramid Hills. These data were collected adjacent to areas of oil and gas production in support of groundwater salinity mapping and...
Northern Wyoming Pesticide Groundwater Sampling Sites Northern Wyoming Pesticide Groundwater Sampling Sites
Northeastern Wyoming Pesticide Groundwater Sampling Sites
Reflectance data from vitrinite and bituminite in the Kimmeridge Clay Formation supporting the ICCP Identification of Dispersed Organic Matter Working Group round robin exercises from 2016 to 2020 Reflectance data from vitrinite and bituminite in the Kimmeridge Clay Formation supporting the ICCP Identification of Dispersed Organic Matter Working Group round robin exercises from 2016 to 2020
Three round robin exercises (RRE) aimed at characterizing bituminite and testing the reproducibility of random vitrinite (VRo %) and bituminite (BitRo %) reflectance measurements of the Kimmeridge Clay Formation were conducted in 2016, 2018, and 2020. This work was conducted by the Identification of Dispersed Organic Matter Working Group (IDOM WG) of the International Committee for Coal...
Southern Wyoming Pesticide Groundwater Sampling Sites Southern Wyoming Pesticide Groundwater Sampling Sites
Southern Wyoming Pesticide Groundwater Sampling Sites
Tiltmeter data on the Island of Hawaiʻi collected by the Hawaiian Volcano Observatory from July 1, 2025 to present with 60-day latency (Updated 2026-04-02) Tiltmeter data on the Island of Hawaiʻi collected by the Hawaiian Volcano Observatory from July 1, 2025 to present with 60-day latency (Updated 2026-04-02)
Tiltmeter data on the Island of Hawaiʻi collected by the Hawaiian Volcano Observatory from July 1, 2025 to present with 60-day latency. These data are collected by the USGS Hawaiian Volcano Observatory. This dataset will be updated as new tiltmeter data are collected and approved with 60-day latency.
Data supporting a study using low-temperature hydrous pyrolysis as a method of determining the quantity and quality of oil retained in thermally mature, Mowry Shale, Powder River Basin, Wyoming Data supporting a study using low-temperature hydrous pyrolysis as a method of determining the quantity and quality of oil retained in thermally mature, Mowry Shale, Powder River Basin, Wyoming
The Cretaceous Mowry Shale is a prolific source rock in numerous Laramide basins and operators have recently increased research activity testing the Mowry as an unconventional source-rock resevoir in the Powder River Basin (PRB). Despite this recent increase in research activity, much work remains on characterizing the quantity and quality of oil retained in thermally mature Mowry Shale...
GIS Data for Geologic Map of the Craig 1 Degree x 2 Degrees Quadrangle, Northwestern Colorado GIS Data for Geologic Map of the Craig 1 Degree x 2 Degrees Quadrangle, Northwestern Colorado
This U.S. Geological Survey (USGS) data release provides a digital geospatial database for the geologic map of the Craig 1 degree x 2 degrees quadrangle, northwestern Colorado (Tweto, 1976). Attribute tables and geospatial features (points, lines, and polygons) conform to the Geologic Map Schema (USGS NCGMP, 2020) and represent the geologic map as published in the USGS Miscellaneous...
Spawning Whitefish and Invasive Mussels (SWIM) project supporting data collected in the Great Lakes, 2024-2025 overwinter physics and chemistry on spawning reefs Spawning Whitefish and Invasive Mussels (SWIM) project supporting data collected in the Great Lakes, 2024-2025 overwinter physics and chemistry on spawning reefs
This dataset records physical (photosynthetically available radiation, currents, wave action, and temperature) and physicochemical (specific conductivity, turbidity, pH, phycocyanin, chlorophyll, and dissolved oxygen) data from sensors moored during the winter season of 2024-2025 at two lake whitefish spawning reefs – Good Harbor Bay in Lake Michigan and Thunder Bay in Lake Huron. The...
Model and Lidar derived Snow and Canopy information at the sub-watershed scale for Southwestern Colorado Model and Lidar derived Snow and Canopy information at the sub-watershed scale for Southwestern Colorado
Snow and Canopy data for a forest snow web interface. The USGS developed a new snow model that better represents forest-snow interactions and the results are displayed in an interactive web-platform. This platform allows an end user to query the results to better understand how changing forests may impact snow water resources within the model domain. These data are from existing...
Projected proportional change in population density for American pronghorn under future climate scenarios in the U.S. Southwest Projected proportional change in population density for American pronghorn under future climate scenarios in the U.S. Southwest
Projected proportional change in American pronghorn (Antilocapra americana) population density in the U.S. Southwest under future climate scenarios. Projections are available for all combinations of three future time periods (2021-2050 ["2030s"], 2041-2070 ["2050s"], and 2061-2090 ["2070s"]), two emissions scenarios (RCP4.5 and RCP8.5), and two statistical models (means and extremes)...