Originally posted by the Voice of America. Voice of America content is produced by the Voice of America, a United States federal government-sponsored entity, and is in the public domain. Japan Marks 9th Anniversary of 2011 Disaster with Muted Observances VOA News Japanese Prime Minister Shinzo Abe led the country in a moment of silence Tuesday on the ninth anniversary of the massive earthquake and subsequent tsunami that killed at least 18,000 people. Abe and his Cabinet ministers gathered in his office in Tokyo and held a silent prayer at the exact moment a 9.0-magnitude earthquake struck off the country's northeastern coast on March 11, 2011. .