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Earthquake numbers by district and magnitude

October 1997
District M>=6 6>M>=5 5>M>=4 4>M>=3 M<3 Unknown Total
Hokkaido 0 7 15 58 349 29 458
Tohoku 0 2 1 36 564 7 610
Kanto 0 0 4 36 786 15 841
Chubu 0 1 2 16 393 9 421
Kinki 0 0 0 6 358 1 365
Chugoku, Shikoku 0 0 0 4 194 0 198
Kyushu, Ryukyu Is. 0 2 8 79 1861 44 1994
Near Japan * 0 2 15 37 31 0 85
Total 0 14 45 272 4536 105 4972

*; Sakhalin, Kurile Is., Korea, Ogasawara Is., Primorskii, Taiwan
Total number of earthquakes felt with a seismic intensity of 1 or greater on the JMA scale: 99
(Includes earthquakes whose hypocentral parameters were not determined.)