BRM Alerts: 2011-03-09 02:45:18 UPDATED: (M 7.2) NEAR EAST COA...: "== PRELIMINARY EARTHQUAKE REPORT ==Region: NEAR EAST COAST OF HONSHU, JAPANGeographic coordinates: 38...."
first message and warning of earthquake near honshu, japan
7.2 on the richterscale
9 march 2011 2:45
some heads may roll
and here is the message of the main quake, also check out the subsequent updates, maps and technological info on that same page. You will find a nice map with the aftershocks in there.