An ocean may in time develop from a rift in the Afar Triangle, in the Horn of Africa which will be close to America.

From their different ecosystems and geography to their varying depths ... the trenches, and the mid-ocean ridges. Seas are comparatively shallower, with average depths ranging from several hundred ...

As it cools down, the lava creates a long line of mountains under the ocean called the Mid-ocean Ridge - the longest mountain range on Earth. The longest mountain range on land is the Andes in ...

These zones include: the Pacific Ring of Fire around the Pacific Ocean the Mid-Atlantic Ridge, a mid-ocean ridge that extends along the floor of the Atlantic Ocean southern Europe There are ...