All Stories

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