What if the Alaska Pipeline blew up?

The Alaska Pipeline carries oil from wells in the far north of Alaska down to the the port in Valdez, Alaska. If that pipeline blew up, what would happen to all that oil, and how much damage would it do?

Source: http://feeds.howstuffworks.com/~r/DailyStuff/~3/LQYKgsW3LaA/alaska-pipeline-blew-up.htm

wrapping press injection