I remember seeing a video taken from the deck of a ship in a harbor. IIRC it was Polish cargo ship..
Anyway a fissure opened next to the ship and the bay started emptying into it. Incredible.
The port of Valdez was wiped out. They had to move the city about 4 miles after the quake.
http://www.youtube.com/watch?v=TdrMKt55VBQ
I found this at about 2:30: http://youtu.be/6ApwG0QWhIs