All Stories

  1. Interplanetary Electric Fields for Extreme Magnetic Storms
  2. The United States Magnetotelluric Array and the National Impedance Map
  3. Mapping a Carrington Storm
  4. The Impact of the May 1921 Superstorm on American Telecommunication Systems
  5. What Is the Lowest Latitude of Discrete Aurorae During Superstorms?
  6. Challenging Ring‐Current Models of the Carrington Storm
  7. On the uncertain intensity estimate of the 1859 Carrington storm
  8. The solar cycle, geology, and geoelectric hazards for power grids
  9. The March 1940 Superstorm: Geoelectromagnetic Hazards and Impacts on American Communication and Power Systems
  10. Determining ULF Wave Contributions to Geomagnetically Induced Currents: The Important Role of Sampling Rate
  11. Mapping a Magnetic Superstorm: March 1989 Geoelectric Hazards and Impacts on United States Power Systems
  12. Down to Earth With Nuclear Electromagnetic Pulse: Realistic Surface Impedance Affects Mapping of the E3 Geoelectric Hazard
  13. Magnetotelluric Sampling and Geoelectric Hazard Estimation: Are National‐Scale Surveys Sufficient?
  14. Extreme‐Event Magnetic Storm Probabilities Derived From Rank Statistics of Historical Dst Intensities for Solar Cycles 14–24
  15. Numerical Simulations of the Geospace Response to the Arrival of an Idealized Perfect Interplanetary Coronal Mass Ejection
  16. Geomagnetic monitoring in the mid-Atlantic United States
  17. Numerical simulations of the geospace response to the arrival of a perfect interplanetary coronal mass ejection
  18. Geomagnetism Program research plan, 2020–2024
  19. Intensity and Impact of the New York Railroad Superstorm of May 1921
  20. Extreme-value geoelectric amplitude and polarization across the Northeast United States
  21. On the intensity of the magnetic superstorm of September 1909
  22. Geoelectric hazard maps for the Pacific Northwest
  23. Calculation of voltages in electric power transmission lines during historic geomagnetic storms: an investigation using realistic Earth impedances
  24. The Electric Storm of November 1882
  25. Mapping hazardous geoelectric fields: Mid-Atlantic United States
  26. On the feasibility of real-time mapping of the geoelectric field across North America
  27. Honolulu Magnetic Observatory
  28. Methodology for time-domain estimation of storm time geoelectric fields using the 3-D magnetotelluric response tensors
  29. Real-time geomagnetic monitoring for space weather-related applications
  30. Down to Earth With an Electric Hazard From Space
  31. Extreme geomagnetic storms: Probabilistic forecasts and their uncertainties
  32. Magnetic monitoring in Saguaro National Park
  33. Geoelectric hazard maps for the continental United States
  34. The Geomagnetic Blitz of September 1941
  35. Global statistical maps of extreme-event magnetic observatory data
  36. Aurora Painting Pays Tribute to Civil War's End
  37. A one-dimensional model of solid-earth electrical resistivity beneath Florida
  38. The Boulder magnetic observatory
  39. Auroral Omens of the American Civil War
  40. The magnetic tides of Honolulu
  41. An International Network of Magnetic Observatories
  42. On the insignificance of Herschel's sunspot correlation
  43. Insignificant solar-terrestrial triggering of earthquakes
  44. U.S. Geological Survey natural hazards science strategy: promoting the safety, security, and economic well-being of the Nation
  45. John B. “Jack” Townshend (1927-2012)
  46. Problem of the Love-Gannon relation between the asymmetric disturbance field andDst
  47. Sunspot random walk and 22-year variation
  48. Credible occurrence probabilities for extreme geophysical events: Earthquakes, volcanic eruptions, magnetic storms
  49. On the reported ionospheric precursor of the 1999 Hector Mine, California earthquake
  50. Geomagnetic detection of the sectorial solar magnetic field and the historical peculiarity of minimum 23-24
  51. Natural hazards science strategy
  52. Are secular correlations between sunspots, geomagnetic activity, and global temperature significant?
  53. Long-term biases in geomagnetic K and aa indices
  54. The USGS Geomagnetism Program and Its Role in Space Weather Monitoring
  55. Spring-fall asymmetry of substorm strength, geomagnetic activity and solar wind: Implications for semiannual variation and solar hemispheric asymmetry
  56. Secular trends in storm-level geomagnetic activity
  57. USGS 1-min Dst index
  58. Averaging and sampling for magnetic-observatory hourly data
  59. Movie-maps of low-latitude magnetic storm disturbance
  60. Missing data and the accuracy of magnetic-observatory hour means
  61. On the reported magnetic precursor of the 1993 Guam earthquake
  62. Revised Dst and the epicycles of magnetic disturbance: 1958–2007
  63. On the reported magnetic precursor of the 1989 Loma Prieta earthquake
  64. Proceedings of the XIIIth IAGA Workshop on Geomagnetic Observatory Instruments, Data Acquisition, and Processing
  65. Magnetic monitoring of earth and space
  66. Monitoring the Earth's Dynamic Magnetic Field
  67. Statistical modeling of storm levelKpoccurrences: Solar cycle modulation
  68. The International Geomagnetic Reference Field, 2005
  69. Statistical modeling of storm-levelKpoccurrences
  70. National Geomagnetism Program: Current Status & Five-Year Plan, 2006-2010
  71. Correction to “Paleointensity in Hawaiian Scientific Drilling Project Hole (HSDP2): Results from submarine basaltic glass”
  72. Gaussian statistics for palaeomagnetic vectors
  73. Paleointensity in Hawaiian Scientific Drilling Project Hole (HSDP2): Results from submarine basaltic glass
  74. Dynamo action and the nearly axisymmetric magnetic field of Saturn
  75. Statistical assessment of preferred transitional VGP longitudes based on palaeomagnetic lava data
  76. A critique of frozen-flux inverse modelling of a nearly steady geodynamo