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The National Geologic Map Database (NGMDB) is a Congressionally mandated national archive of geoscience maps, reports, and stratigraphic information. The Geologic Mapping Act of 1992 and its...
Search relevance: 1.00 | Views last month: 38 | Catalog Last Checked: September 10, 2026 at 10:24 PM -
Surface electrical resistivity tomography (ERT), electromagnetic induction (EMI), and self-potential (SP) data were acquired March 9 - 20, 2018 by the U.S. Geological Survey (USGS), in...
Search relevance: 1.00 | Views last month: 27 | Catalog Last Checked: September 10, 2026 at 09:37 PM -
This dataset consists of 65 magnetotelluric (MT) stations collected in 2015 near Mountain Pass, California. The U.S. Geological Survey acquired these data to create a regional conductivity model...
Search relevance: 1.00 | Views last month: 23 | Catalog Last Checked: September 10, 2026 at 08:52 PM -
This dataset consists of 24 magnetotelluric (MT) stations collected in 2017 in Gabbs Valley, Nevada. The U.S. Geological Survey acquired these data as part of Phase 2 of the Nevada Play Fairway...
Search relevance: 1.00 | Views last month: 18 | Catalog Last Checked: September 10, 2026 at 09:27 PM -
Success Dam spillway seismic refraction survey, Porterville, California, December 2018 and July 2019
Compressional- (P-) wave seismic refraction data were acquired in December 2018 and July 2019 along fourteen profiles within the spillway of Success Dam in Porterville, California. A new concrete...
Search relevance: 1.00 | Views last month: 17 | Catalog Last Checked: September 10, 2026 at 10:00 PM -
02031 - Geophysical Surveys of Bear Lake, Utah-Idaho, September 2002 - Sound Velocity Profiles (SVP)
Bear Lake is a tectonic lake that has existed for at least several hundred thousand years. The lake basin is a relatively simple half graben, a spoon-shaped depression tilted toward the main fault...
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This data release is a compilation of known landslides and other mass movements that generated seismic signals observable on existing seismic networks. The data release includes basic information...
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Airborne radiometric data are provided here as part of the data release "Airborne magnetic and radiometric survey, Munsungun Region, northern Maine, 2021." This website includes the processed...
Search relevance: 1.00 | Views last month: 16 | Catalog Last Checked: September 10, 2026 at 10:15 PM -
This data release contains time-lapse self-potential, electric resistivity tomography, hydrographic, and weather data acquired during a geoelectric monitoring survey of the lower Rio Grande...
Search relevance: 1.00 | Views last month: 16 | Catalog Last Checked: September 10, 2026 at 09:42 PM -
Aeromagnetic data were collected along flight lines by instruments in an aircraft that recorded magnetic-field values and locations. This dataset presents latitude, longitude, altitude, and...
Search relevance: 1.00 | Views last month: 15 | Catalog Last Checked: September 10, 2026 at 08:33 PM -
This dataset consists of 65 magnetotelluric (MT) stations collected in 2015 near Mountain Pass, California. The U.S. Geological Survey acquired these data to create a regional conductivity model...
Search relevance: 1.00 | Views last month: 14 | Catalog Last Checked: September 10, 2026 at 09:32 PM -
Airborne radiometric flight and tie line data the includes estimated concentrations of potassium, thorium, and uranium and total count radioactivity are provided here in NetCDF (Network Common...
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High-resolution geophysical mapping of Lake Powell in the Glen Canyon National Recreation Area in Utah and Arizona was conducted between October 8 and November 15, 2017, as part of a collaborative...
Search relevance: 1.00 | Views last month: 13 | Catalog Last Checked: September 10, 2026 at 09:39 PM -
Airborne electromagnetic (AEM), magnetic, and radiometric data were acquired September 2021 to January 2022 along 27,204 line-kilometers (line-km) over the Mississippi Alluvial Plain (MAP),...
Search relevance: 1.00 | Views last month: 13 | Catalog Last Checked: September 10, 2026 at 10:04 PM -
An Ellipsoidally Referenced Survey (ERS) using two Teledyne Reson SeaBat T50-P multibeam echosounders, in dual-head configuration, was conducted by the U.S. Geological Survey (USGS) St. Petersburg...
Search relevance: 1.00 | Views last month: 13 | Catalog Last Checked: September 10, 2026 at 09:16 PM -
This data release provides digital flight line data for a high-resolution airborne magnetic and radiometric survey over parts of Montana in the vicinity of the Boulder Batholith. The airborne...
Search relevance: 1.00 | Views last month: 13 | Catalog Last Checked: September 10, 2026 at 09:26 PM -
This dataset consists of 42 magnetotelluric (MT) stations collected in 2017 in the Northwest Geysers, CA. The U.S. Geological Survey acquired these data as part of a project to image the heat...
Search relevance: 1.00 | Views last month: 12 | Catalog Last Checked: September 10, 2026 at 08:56 PM -
This dataset consists of 65 magnetotelluric (MT) stations collected in 2015 near Mountain Pass, California. The U.S. Geological Survey acquired these data to create a regional conductivity model...
Search relevance: 1.00 | Views last month: 11 | Catalog Last Checked: September 10, 2026 at 08:18 PM -
The Mohorovicic discontinuity or 'Moho' maps the boundary between the earth's crust and mantle and is defined by an abrupt change in seismic velocity due to changes in the density of rocks between...
Search relevance: 1.00 | Views last month: 11 | Catalog Last Checked: September 10, 2026 at 08:15 PM -
Airborne magnetic data are provided here as part of the data release, "Airborne magnetic and radiometric survey, Munsungun Region, northern Maine, 2021." This website includes the processed...
Search relevance: 1.00 | Views last month: 11 | Catalog Last Checked: September 10, 2026 at 10:29 PM
