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Table 2 Recorded geomagnetic events at Kakioka, Memambetsu, and Kanoya

From: Frequency distributions of magnetic storms and SI+SSC-derived records at Kakioka, Memambetsu, and Kanoya

  Magnetic storm SI+SSC
  Observation period Number of events Observation period Number of events
KAK Feb. 1924–Dec. 2013 1942 Feb. 1924–Dec. 2013 2875
MMB Jul. 1957–Dec. 2013 1228 Jul. 1957–Dec. 2013 2437
KNY Jan. 1958–Dec. 2013 1179 Jan. 1958–Dec. 2013 2286