The earthquakes so far topped out at M7.1, with swarms of M5.0 to M6.0 range “aftershocks” spreading out across the region to nearby adjacent volcanic locations.
Make note of the “line” or progression of earthquakes which shows over the past three days since the original M6.5 earthquake struck.

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The movement began at the Southwest tip of the island, and has progressed Northeast, but the overall movement actually progressed from NE to SW.
Update April 16, 2016 1130am CT : Now Japanese officials have come out and confirmed that the location in question across Kyushu has moved 97cm (38 inches to the Southwest), and risen 23cm (9 inches).
Continue Reading at ..... http://dutchsinse.com/4162016-whole-portion-of-south-japan-moves-from-southwest-to-northeast-during-major-shift/