Catalog - Data.gov

#1 Federal

Terrestrial Tephra Spectral Library for the Visible-Near-Infrared and Mid-Infrared Spectral Regions (ver. 1.1, April 2024)

Organization: Department of the Interior
Dataset Last Updated: April 01, 2024 at 12:00 AM

Visible/near-infrared (VNIR) and mid-infrared (MIR) spectral library composed of twenty natural tephra samples from ten volcanic sources that span a range of compositions and components. The bulk,...

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Search relevance: 1.00 | Views last month: 8 | Catalog Last Checked: August 01, 2026 at 05:27 AM

#2 Federal

Geothermal Case Studies on OpenEI

Organization: Department of Energy
Dataset Last Updated: May 20, 2024 at 12:19 AM

This submission contains links to Geothermal Areas on OpenEI that were completed as part of an effort to gather clean, unbiased information on which to build geothermal drilling prospects. The...

Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: August 03, 2026 at 12:58 AM

#3 Federal

Compositional data on gases collected at fumaroles, hot springs, and gas vents across the Long Valley Caldera, California, 1994 – 2020.

Organization: Department of the Interior
Dataset Last Updated: December 01, 2020 at 12:00 AM

The Long Valley Caldera in eastern California formed about 760,000 years ago following the eruption of ~600 km3 of high-silica rhyolite. The Long Valley volcanic-hydrothermal system contains...

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Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: August 01, 2026 at 04:18 AM

#4 Federal

Chemical and isotopic compositions of gases from volcanic and geothermal areas in California

Organization: Department of the Interior
Dataset Last Updated: July 15, 2024 at 12:00 AM

Gas chemical and isotopic compositions are reported for samples collected from 9 volcanic and geothermal areas in California: Medicine Lake Volcano, Mount Shasta, Lassen Volcanic Center, Clear...

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Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: August 01, 2026 at 03:15 AM

#5 Federal

Temperature Data From Wells in Long Valley Caldera, California, 2018-present

Organization: Department of the Interior
Dataset Last Updated: May 22, 2025 at 12:00 AM

This data release consists of well temperature logs from Long Valley Caldera, California, which have been measured to characterize the spatial and temporal variations of the subsurface heat flow....

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Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: August 01, 2026 at 04:16 AM

#6 Federal

Groundwater levels and temperatures in well CH-10b near Hot Creek, Long Valley Caldera, eastern California (ver. 3.0, March 2025)

Organization: Department of the Interior
Dataset Last Updated: March 07, 2025 at 12:00 AM

Hot Creek Gorge contains the most obvious surface expression of the hydrothermal system in Long Valley Caldera, California, discharging 200-300 L/s of thermal water according to USGS measurements...

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Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: August 01, 2026 at 04:53 AM

#7 Federal

Groundwater levels and temperatures in well CH-10b near Hot Creek, Long Valley Caldera, eastern California

Organization: Department of the Interior
Dataset Last Updated: August 31, 2020 at 12:00 AM