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USGS National and Global Oil and Gas Assessment Project—India and Sri Lanka Provinces: Assessment Unit Boundaries, Assessment Input Data, and Fact Sheet Data Tables USGS National and Global Oil and Gas Assessment Project—India and Sri Lanka Provinces: Assessment Unit Boundaries, Assessment Input Data, and Fact Sheet Data Tables
This data release contains the boundaries of assessment units, assessment input data, and resulting fact sheet data tables for the assessment of undiscovered conventional oil and gas resources of India and Sri Lanka. The assessment unit is the fundamental unit used in the National and Global Oil and Gas Assessment Project for the assessment of undiscovered oil and gas resources. The...
Rock mass quality and structural geology observations in Prince William Sound, Alaska (2024) Rock mass quality and structural geology observations in Prince William Sound, Alaska (2024)
Multiple subaerial landslides adjacent to Prince William Sound, Alaska (for example, Dai and others, 2020; Higman and others, 2023; Schaefer and others, 2024) pose a threat to the public because of their potential to generate ocean waves (Barnhart and others, 2021, 2022; Dai and others, 2020) that could affect towns and marine activities. One bedrock landslide on the west side of Barry...
Data for salinity regressions and total dissolved solids calculations in groundwater in the United States (ver. 1.1, January 2026) Data for salinity regressions and total dissolved solids calculations in groundwater in the United States (ver. 1.1, January 2026)
Groundwater salinity impacts water quality and limits usability for drinking, irrigation, and industrial purposes where salinity is high. Salinity is a measure of the mass of dissolved salts in a given volume of solution and is closely related to the concentration of Total Dissolved Solids (TDS) as well as the ability of water to conduct electricity, or specific conductance (SC)...
Paleomagnetic data from Kīlauea volcano, Island of Hawaiʻi Paleomagnetic data from Kīlauea volcano, Island of Hawaiʻi
This dataset includes paleomagnetic analyses of lava samples from Kīlauea volcano, Island of Hawaiʻi. Analyses were performed using a cryogenic magnetometer in Menlo Park, California, USA. The data were collected as part of fundamental geologic mapping of the Southwest Rift Zone, East Rift Zone, summit, and south flank regions of Kīlauea volcano, Island of Hawaiʻi. These data (when...
Campaign GNSS measurements on the Island of Hawaiʻi collected by the Hawaiian Volcano Observatory in 2025 Campaign GNSS measurements on the Island of Hawaiʻi collected by the Hawaiian Volcano Observatory in 2025
This release includes data collected during campaign GNSS surveys at Kīlauea and Mauna Loa volcanoes on the Island of Hawaiʻi in 2025. It includes data from a total of 46 sites occupied from January 1 to August 15, 2025 (see note below). For each site, we include its measured raw data in daily files, Receiver INdependent EXchange (RINEX) files for each day, field log sheet(s), and...
Olivine core and rim electron microprobe analyses for the June 2023 Halema‘uma‘u eruption of Kīlauea, Island of Hawai‘i Olivine core and rim electron microprobe analyses for the June 2023 Halema‘uma‘u eruption of Kīlauea, Island of Hawai‘i
The June 2023 Halema‘uma‘u eruption began on June 7 and ended on June 19 (~2 weeks; Mulliken et al. 2024). Field crews from the U.S. Geological Survey’s Hawaiian Volcano Observatory collected frothy pumice clasts from initial high fountaining on 7 June 2023 from accessible regions southwest of Kaluapele (Kīlauea’s summit caldera). Samples were collected from within a publicly closed area...