Google Earth

This is kinda awesome. I could look at the different cities of the Earth. Back to the assignment. What I noticed around Hawaii is kind of an island surrounded by volacanoes and few wavy lines but there are what looked like underwater landforms. In the East Coast near the Atlantic there like a lot more of these [lines] and more of these rocky landforms. From what I'm thinking right now I think it is a bunch of underwater mountains. Another thing I noticed is that near these things it is dark blue which means it is very deep. That line in the Red Sea I think it is a trench. I read this in a science fiction book. But maybe it is real. Who knows? But is must be deep for it is dark, But the water around it seems lighter. The area near Alaska seems a light color.But no "mountains" near or in the water. Maybe its me but I've noticed that the Atlantic Ocean looks a bit darker than the Pacific Ocean. Maybe the Atlantic is more deeper than the Pacific. I think that this idea could be true.