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Earthquake numbers by district and magnitude

April 2018
District M>=6 6>M>=5 5>M>=4 4>M>=3 M<3 Unknown Total
Hokkaido 0 3 5 44 735 22 809
Tohoku 0 0 12 83 3202 69 3366
Kanto 0 1 3 29 2580 27 2640
Chubu 0 0 1 14 1651 1 1667
Kinki 0 0 0 10 1491 0 1501
Chugoku, Shikoku 1 0 7 30 3802 30 3870
Kyushu, Ryukyu Is. 0 0 10 73 4741 98 4922
Near Japan * 0 7 33 66 100 20 226
Total 1 11 71 349 18302 267 19001

*; 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: 181
(Includes earthquakes whose hypocentral parameters were not determined.)