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About Us

• Introduce to Kakioka Magnetic Observatory
  • Introduction
  • History
  • Organization
  • Services
  • International cooperation
• Memambetsu Observation Facility
• Kanoya Observation Facility
• Chichijima Station

Data

• Observation data information
  • Quick Plots
• Monthly overviews
• K-index
  • K-index daily sum (Kakioka)
  • K-index values
• Geomagentic phenomena
  • Geomagnetic storms - monthly overviews
  • Geomagentic phenomena search service
• Major geomagnetic storms (ranked)
  • Kakioka
  • Memambetsu
  • Kanoya
• Dynamic spectra of geomagnetic pulsations at Kakioka
• Digital Data Service
• Monthly Data Viewer
• Geomagnetic secular variation（Kakioka、Memambetsu、Kanoya、Chichijima）
• Atmospheric electric fields (Kakioka and Memambetsu)
  • Atmospheric electric fields (monthly means)
  • Temporal variations in atmospheric electric fields

Knowledge of geomagnetism

• Geomagnetic fields
• Geoelectric Fields
• Magnetic Storms
• Atmospheric electric field overview
• Terminology
• Criteria for Geomagnetic Phenomenon Classfication at Kakioka

Notification

• Observatory coordinate changes
• Change in the nuclear gyromagnetic ratio γ_p for proton magnetometers
• Important notification on geomagnetic and geoelectric 0.1-second values
• Digital Object Identifier (DOI)
• "Magne-chan" the Kakioka Magnetic Observatory mascot

Publications

• Technical Report of the Kakioka Magnetic Observatory
• Technical Report of the Kakioka Magnetic Observatory, - Selected Translations -
• Report of the Kakioka Magnetic Observatory
  • About the Data Viewer Program
• Memoirs of the Kakioka Magnetic Observatory

Links

• Japan Meteorological Agency
• Meteorological Research Institute
• World Data Center for Geomagnetism, Kyoto
• International Space Environment Service (ISES), Regional Warning Center Japan
• International Association of Geomagnetism and Aeronomy (IAGA)
• IAGA Working Group V-OBS: Geomagnetic Observation
• International Real-time Magnetic Observatory Network (INTERMAGNET)
• Society of Geomagnetism and Earth, Planetary and Space Sciences (SGEPSS)
• Ishioka City