Seismic Activity for all of Japan during October 2003 (Magnitude 4.0 and greater)

The aftershock activity of the 2003 Off-shore Tokachi Earthquake on September 26, has continued with a M6.4 event on October 8 and a M6.1 on October 11, however, seismicity has been declining.
On October 29, there was a M6.0 earthquake off-shore east of Hokkaido prefecture.
On October 31, there was a M6.8 earthquake off-shore of Fukushima prefecture.
[The events which have date, time and magnitude in the figure are M5.0 or greater earthquakes, or M4.0 or greater earthquakes that have a maximum seismic intensity of 5 Lower, or greater. The event(s) listed above are M6.0 or greater earthquakes, or M4.0 or greater earthquakes that have maximum seismic intensity of 5 Lower, or greater.]
For the aftershock activity of the 2003 Off-shore Tokachi Earthquake, only events of magnitude 6.0 or greater are shown.
N: total number of events in the figure