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Federal
Electrical resistivity tomography (ERT) data
Department of the Interior —
Surface electrical resistivity tomography (ERT), electromagnetic induction (EMI), and self-potential (SP) data were acquired March 9 - 20, 2018 by the U.S. Geological... -
Federal
Electromagnetic induction (EMI) data, Jim Woodruff Lock and Dam, Chattahoochee, Florida, March 2018
Department of the Interior —
Surface electrical resistivity tomography (ERT), electromagnetic induction (EMI), and self-potential (SP) data were acquired March 9 - 20, 2018 by the U.S. Geological... -
Federal
Electrical and electromagnetic geophysical surveys at Jim Woodruff Lock and Dam, Chattahoochee, Florida, March 2018
Department of the Interior —
Surface electrical resistivity tomography (ERT), electromagnetic induction (EMI), and self-potential (SP) data were acquired March 9 - 20, 2018 by the U.S. Geological... -
Federal
Gridded risk-targeted spectral response acceleration data and 84th-percentile spectral acceleration data used to calculate the Risk-Targeted Maximum Considered Earthquake (MCER) spectral response accelerations of the 2020 NEHRP Recommended Seismic Provisions, and 2022 ASCE/SEI 7 Standard.
Department of the Interior —
The Risk-Targeted Maximum Considered Earthquake (MCER) spectral response accelerations of the 2020 NEHRP Recommended Seismic Provisions and 2022 ASCE/SEI 7 Standard... -
Federal
Raw seismic data and shot notes, Success Dam spillway seismic refraction survey, Porterville, California
Department of the Interior —
Compressional- (P-) wave seismic refraction data were acquired in December 2018 and July 2019 along fourteen profiles within the spillway of Success Dam in... -
Federal
Mississippi Alluvial Plain (MAP): Electrical Resistivity & Facies Classification Grids
Department of the Interior —
Electrical resistivity results from four regional airborne electromagnetic (AEM) surveys (Burton et al. 2024, Hoogenboom et al. 2023, Minsley et al. 2021, Burton et... -
Federal
Maximum Considered Earthquake Geometric Mean Peak Ground Accelerations for the 2009 NEHRP Recommended Seismic Provisions and 2010 ASCE/SEI 7 Standard
Department of the Interior —
The Maximum Considered Earthquake Geometric Mean (MCEG) peak ground acceleration (PGA) values of the 2009 NEHRP Recommended Seismic Provisions and the 2010 ASCE/SEI 7... -
Federal
Gridded uniform hazard peak ground acceleration data and 84th-percentile peak ground acceleration data used to calculate the Maximum Considered Earthquake Geometric Mean (MCEG) peak ground acceleration (PGA) values of the 2020 NEHRP Recommended Seismic Provisions and 2022 ASCE/SEI 7 Standard for Guam and the Northern Mariana Islands.
Department of the Interior —
The Maximum Considered Earthquake Geometric Mean (MCEG) peak ground acceleration (PGA) values of the 2020 NEHRP Recommended Seismic Provisions and 2022 ASCE/SEI 7... -
Federal
Processed ground-based EM survey data
Department of the Interior —
Shallow soil characteristics were mapped near Shellmound, Mississippi, using the DualEM 421 electromagnetic sensor in October 2018. Data were acquired by towing the... -
Federal
Airborne electromagnetic, magnetic, and radiometric survey of the Mississippi Alluvial Plain, Mississippi Embayment, and Gulf Coastal Plain, September 2021 - January 2022
Department of the Interior —
Airborne electromagnetic (AEM), magnetic, and radiometric data were acquired September 2021 to January 2022 along 27,204 line-kilometers (line-km) over the... -
Federal
AEM inverted resistivity models of the Mississippi Alluvial Plain, November 2018 - February 2019
Department of the Interior —
Airborne electromagnetic (AEM), magnetic, and radiometric data were acquired November 2018 to February 2019 along 16,816 line-kilometers (line-km) over the... -
Federal
Spatially constrained inversion resistivity models
Department of the Interior —
Shallow soil characteristics were mapped near Shellmound, Mississippi, using the DualEM 421 electromagnetic sensor in October 2018. Data were acquired by towing the... -
Federal
Airborne electromagnetic, magnetic, and radiometric survey of the Mississippi Alluvial Plain, March 2018 and May - August 2021
Department of the Interior —
Airborne electromagnetic (AEM), magnetic, and radiometric data were acquired May 25 through August 7, 2021, along 10,706 line-kilometers (line-km) over the... -
Federal
Long-period transition period, TL, for the conterminous United States, Alaska, Hawaii, Puerto Rico and United States Virgin Islands, 2009 NEHRP.
Department of the Interior —
For designing buildings and other structures to safely resist earthquakes, the 2009 NEHRP Recommended Seismic Provisions and the 2010 ASCE/SEI 7 Standard contain maps... -
Federal
Gridded uniform hazard peak ground acceleration data and 84th-percentile peak ground acceleration data used to calculate the Maximum Considered Earthquake Geometric Mean (MCEG) peak ground acceleration (PGA) values of the 2020 NEHRP Recommended Seismic Provisions and 2022 ASCE/SEI 7 Standard for the conterminous United States.
Department of the Interior —
The Maximum Considered Earthquake Geometric Mean (MCEG) peak ground acceleration (PGA) values of the 2020 NEHRP Recommended Seismic Provisions and 2022 ASCE/SEI 7... -
Federal
Gridded earthquake ground motions for the 2023 AASHTO Design Specifications
Department of the Interior —
For designing bridges to safely resist earthquakes, the 2023 editions of the AASHTO (1) Guide Specifications for LRFD Seismic Bridge Design, (2) LRFD Bridge Design... -
Federal
Airborne electromagnetic, magnetic, and radiometric survey of the Mississippi Alluvial Plain, November 2019 - March 2020: AEM processed survey data
Department of the Interior —
Airborne electromagnetic (AEM), magnetic, and radiometric data were acquired November 2019 to March 2020 along 24,030 line-kilometers (line-km) over the Mississippi... -
Federal
Gridded uniform hazard peak ground acceleration data and 84th-percentile peak ground acceleration data used to calculate the Maximum Considered Earthquake Geometric Mean (MCEG) peak ground acceleration (PGA) values of the 2020 NEHRP Recommended Seismic Provisions and 2022 ASCE/SEI 7 Standard for the conterminous United States.
Department of the Interior —
The Maximum Considered Earthquake Geometric Mean (MCEG) peak ground acceleration (PGA) values of the 2020 NEHRP Recommended Seismic Provisions and 2022 ASCE/SEI 7... -
Federal
Gridded earthquake ground motions for the 2023 AASHTO Design Specifications
Department of the Interior —
For designing bridges to safely resist earthquakes, the 2023 editions of the AASHTO (1) Guide Specifications for LRFD Seismic Bridge Design, (2) LRFD Bridge Design... -
Federal
Risk-Targeted Maximum Considered Earthquake Spectral Response Accelerations for the 2009 NEHRP Recommended Seismic Provisions and 2010 ASCE/SEI 7 Standard
Department of the Interior —
For designing buildings and other structures to safely resist earthquakes, the 2009 NEHRP Recommended Seismic Provisions and the 2010 ASCE/SEI 7 Standard contain maps...