Geomagnetic activity in the past 3 hours

Geomagnetic activity yesterday

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Updates

• English page has been renewed.
• Digital images of analog magnetograms (1962 – 1984) at MMB and KNY published
• 7.5-second data digitized from analog magnetograms (1967 – 1984) at MMB and KNY published
• 1-minute data digitized from analog magnetograms (1967 – 1984) at MMB and KNY published
• 1-second data (1983 02-1993 03) at KAK published
• Digital objective identifier (DOI) now assigned to the data available at Digital Data Service and Monthly Data Viewer (List of data DOIs [pdf 160KB])
• Digital images of analog magnetograms (1924 – 1983) at KAK published
• 7.5-second data digitized from analog magnetograms (1956 – 1983) at KAK published
• 1-minute data digitized from analog magnetograms (1956 – 1975) at KAK published
• 0.1-second data (2019 07– ) at CBI published
• Literature retrieval system provided (for searching Memoirs and Technical Reports of KMO)
• Monthly Data Viewer system provided