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Earthquake numbers by district and magnitude

February 1998
District M>=6 6>M>=5 5>M>=4 4>M>=3 M<3 Unknown Total
Hokkaido 0 2 20 63 408 32 525
Tohoku 0 0 2 33 583 5 623
Kanto 0 0 8 23 676 16 723
Chubu 0 1 2 9 418 8 438
Kinki 0 0 1 4 349 9 363
Chugoku, Shikoku 0 0 0 3 137 0 140
Kyushu, Ryukyu Is. 0 0 6 56 1311 28 1401
Near Japan * 1 2 13 30 11 1 58
Total 1 5 52 221 3893 99 4271

*; 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: 74
(Includes earthquakes whose hypocentral parameters were not determined.)