[commonguymd]

I think out in open water a tsunami is only a few inches in height, but as it approaches shallow areas near a coast it builds to enormous proportions.

[DollyCali]

I am guessing by it's shape DG is a former volcano "top" and so does NOT have the shallow waters to set up the "hit".. I did read earlier on another thread how the tidal waves are very regular wave like in the open sea.