The following news releases, blog posts and videos cover the Church's response to the March 2011 earthquake and tsunami in Japan.
(3/15/2011) Video (YouTube) of Elder Holland's remarks
Japanese Tsunami - Reacting with Love (Mormon Channel radio program)
(9/16/2011) Church Expands Donations to Japan
Mormon Newsroom Blog Posts:
(3/11/2011) Missionary in Japan Shares Experience With Quake