What other "suddenly collapsed ocean floor" are you comparing it to? How can you say that it is the same shape as something that has never happened before this instance, if that really was how it was formed? --[[User:Jab512|Jab512]] 22:14, 13 August 2011 (EDT) | What other "suddenly collapsed ocean floor" are you comparing it to? How can you say that it is the same shape as something that has never happened before this instance, if that really was how it was formed? --[[User:Jab512|Jab512]] 22:14, 13 August 2011 (EDT) |