i'm contessa drewer.

i'm contessa drewer. >>> it came without warning. one of the worst natural disasters in recorded history. and in 2011, recorded history means something very different than it once did. this time, when nature unleashed its power, the world was a witness. images like we've never seen captured like never before. in this special edition of "caught on camera, disaster in japan." the 9.0 earthquake that rocked japan set in motion an unprecedented chain of events, a tsunami devastated large sections of the island nation. and then a nuclear crisis set in, when damaged reactors created a new threat, a lingering threat. these tragedies struck at a time and place in which cameras are everywhere. almost instantly, a wave of video moved across the internet and television, providing a rare view of nature's fury. in this program, the most vivid of those images. experts watch with us, explain what we're seeing and help us better understand the disaster in japan. march 11th, 2011. >> this is unreal. hell on earth unfolded on march 11th. >> i think it