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Earthquake numbers by district and magnitude

April 2006
District M>=6 6>M>=5 5>M>=4 4>M>=3 M<3 Unknown Total
Hokkaido 0 3 19 43 864 85 1014
Tohoku 0 0 8 30 1020 36 1094
Kanto 0 2 15 43 4206 51 4317
Chubu 0 0 2 19 877 11 909
Kinki 0 0 2 2 1096 19 1119
Chugoku, Shikoku 0 0 1 6 519 4 530
Kyushu, Ryukyu Is. 0 2 9 81 1627 98 1817
Near Japan * 2 6 35 88 78 18 227
Total 2 13 91 312 10287 322 11027

*; 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: 162
(Includes earthquakes whose hypocentral parameters were not determined.)