Great Japan Earthquake Observance Notification Be aware that Misawa City will be sounding the alarm at 2:46 p.m. on Wednesday, March 11, to signal a moment of silence in remembrance of those lost during the Great East Japan earthquake which struck the area March 11, 2011. ***The siren is not a notification of a real-world disaster. Please pass the word to friends and family who may not have received this information already so they are not frightened. ***