The Geophysical Analysis of Energy Resources Project (also called the Geophysical Analysis Project) meets the need within the USGS and the Energy Resources Program to conduct advanced theoretical and applied research in reflection seismology to improve the delineation and characterization of both conventional and unconventional hydrocarbon resources. The scientists of the project fulfill these...

Energy Resources Program, Central Energy Resources Science Center

Geophysical Analysis of Energy Resources

April 20, 2019

Geophysical Analysis of Energy Resources

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March 1, 2016

Geomagnetism Monitoring

The USGS Geomagnetism Program currently operates 14 magnetic observatories. Magnetometer data are collected at these facilities, and the data are then transmitted to Program headquarters in Golden, Colorado.

Natural Hazards Mission Area, Geomagnetism Program

Geomagnetism Monitoring

March 1, 2016

Geomagnetism Monitoring

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November 5, 2025

U.S. Geological Survey geomagnetic variometer data: Capitalizing on seismic infrastructure U.S. Geological Survey geomagnetic variometer data: Capitalizing on seismic infrastructure

The U.S. Geological Survey’s Geomagnetism Program is collaborating with the Earthquake Hazards Program and Global Seismographic Network Program to densify magnetic field observations. This collaboration focuses on the installation of magnetometers, or magnetic variometers, at existing seismic stations. Along with improving the density of space weather observations for hazard monitoring...

Authors

Adam T. Ringler, Andrew Holcomb, E. Joshua Rigler, Spencer Wilbur, C. Balch, Corey I. Beutel, Brendan Ryan Geels, J. Guerra, A. Horton, Edward Kromer, Kristen A. Lewis, Jeffrey J. Love, Yolando Root, Claudia Kristina Rossavik, N. Shavers, John Spritzer, Tyler Storm, Alexandra Nicole Wernle, David C. Wilson

Geologic Hazards Science Center

October 16, 2024

The solar cycle, geology, and geoelectric hazards for power grids The solar cycle, geology, and geoelectric hazards for power grids

When sunspots are large and numerous, intense magnetic storms are likely to occur on the Earth. Magnetic storms can generate electric fields in the Earth, and these fields can, in turn, interfere with electric power transmission grids that are grounded at the Earth’s surface. Across the contiguous United States, geoelectric hazards are highest in the Upper Midwest and in the East. These...

Authors

Jeffrey J. Love, Steven Sobieszczyk, E. Joshua Rigler, Anna Kelbert, Kristen A. Lewis

Natural Hazards Mission Area, Geomagnetism Program, Geologic Hazards Science Center

March 1, 2021

Geomagnetic monitoring in the mid-Atlantic United States Geomagnetic monitoring in the mid-Atlantic United States

Near historic battlegrounds of the American Civil War, southeast of Fredericksburg, Virginia, on a secluded grassy glade surrounded by forest, a specially designed observatory records the Earth’s changing magnetic field. This facility, the Fredericksburg Magnetic Observatory, is 1 of 14 observatories the U.S. Geological Survey Geomagnetism Program operates at various locations across the...

Authors

Jeffrey J. Love, Kristen A. Lewis

Natural Hazards Mission Area, Geomagnetism Program, Geologic Hazards Science Center

September 11, 2020

Geomagnetism Program research plan, 2020–2024 Geomagnetism Program research plan, 2020–2024

The Geomagnetism Program of the U.S. Geological Survey (USGS) monitors geomagnetic field variation through operation of a network of observatories across the United States and its territories, and it pursues scientific research needed to estimate and assess geomagnetic and geoelectric hazards. Over the next five years (2020–2024 inclusive) and in support of national and agency priorities

Authors

Jeffrey J. Love, Anna Kelbert, Benjamin S. Murphy, E. Joshua Rigler, Kristen A. Lewis

Natural Hazards Mission Area, Energy Resources Program, Geomagnetism Program, Central Energy Resources Science Center, Geologic Hazards Science Center

August 1, 2020

Three-dimensional shape and structure of the Susitna basin, south-central Alaska, from geophysical data Three-dimensional shape and structure of the Susitna basin, south-central Alaska, from geophysical data

We use gravity, magnetic, seismic reflection, well, and outcrop data to determine the three-dimensional shape and structural features of south-central Alaska’s Susitna basin. This basin is located within the Aleutian-Alaskan convergent margin region and is expected to show effects of regional subduction zone processes. Aeromagnetic data, when filtered to highlight anomalies associated...

Authors

Anjana K. Shah, Jeffrey Phillips, Kristen A. Lewis, Richard G. Stanley, Peter J. Haeussler, Christopher J. Potter

Geology, Geophysics, and Geochemistry Science Center

September 10, 2019

Assessment of undiscovered gas hydrate resources in the North Slope of Alaska, 2018 Assessment of undiscovered gas hydrate resources in the North Slope of Alaska, 2018

Using a geology-based assessment methodology, the U.S. Geological Survey estimated undiscovered, technically recoverable mean resources of about 54 trillion cubic feet of gas resources within gas hydrates in the North Slope of Alaska.

Authors

Timothy S. Collett, Kristen A. Lewis, Margarita V. Zyrianova, Seth S. Haines, Christopher J. Schenk, Tracey J. Mercier, Michael E. Brownfield, Stephanie B. Gaswirth, Kristen R. Marra, Heidi M. Leathers-Miller, Janet K. Pitman, Marilyn E. Tennyson, Cheryl A. Woodall, David W. Houseknecht

Energy Resources Program, Central Energy Resources Science Center