Whakakihia te rerenga e whai ake nei: He rārangi tēnei o ngā wiri o mua me ngā wiri o muri o te ru o Tōhoku 2011. I pāngia e Hapani e 900 nga wiri whai muri i te
M9.1 earthquake on March 11, 2011 with about 60 aftershocks being over magnitude 6.0 and three over magnitude 7.0 i runga ake i te 6.0 me te toru i runga ake i te 7.0. Mo te poto, ko nga ruu anake me te rahi nui atu i te 7.0 te kaha nui atu ranei i te iti iho i te -6 i runga i te tauine shindo kua whakararangihia i konei. Ko te Mw e pa ana ki te tauine nui o te waa, i te Mjma, Mjma, Mj ranei e pa ana ki te tauine kaha o te seismic Agency o Japan Meteorological.