Posts that deal with this subject without compromising on what the Bible reveals about the nature of God:

A Prayer for Japan, by John Piper after the March 2011 Tsunami in Japan
Providence/Sovereignty of God, a post by Joe Fleener, written ably and in record time, after the February 2011 earthquake in Christchurch
Does God hate Haiti, a post by Al Mohler, after the Haiti quake in January 2010
So you do not grieve as the rest who have no hope, a post in my blog after a local tragedy where many young Aucklanders were killed in April 2008.
Putting My Daughter to Bed Two Hours After the Bridge Collapsed, a tender and gracious post by John Piper, shortly after the Minneapolis bridge collapsed in August 2007.
God in the Storm—Part One, a post by Al Mohler, after Katrina in 2005
God in the Storm—Part Two, a post by Al Mohler, after Katrina in 2005
Why I do not say God did not cause the calamity but He can use if for good, John Piper’s post after 9-11.