Geographic Feature On Ocean Floor

The deepest reaches of the ocean were once thought to be devoid of life since no light penetrates beyond 1 000 meters 3 300 feet.

Geographic feature on ocean floor.

Abyssal plains cover 30 percent of the ocean floor and are the flattest feature on earth. The planet has one global ocean though oceanographers and the nations of the world have divided it into distinct geographic regions. It is the smallest geologically youngest and physically most complex of the world s three major oceans. In terms of its geology the area encompassing the pacific ocean is sometimes called the pacific ring of fire.

Seamounts can be 3 000 4 500 m tall. The ocean is a huge body of saltwater that covers about 71 percent of the earth s surface. In recent years some oceanographers have determined that the seas around antarctica deserve their own designation. Continental shelf 300 feet continental slope 300 10 000 feet abyssal plain 10 000 feet abyssal hill 3 000 feet up from the abyssal plain seamount 6 000 feet.

It stretches for more than 6 200 miles 10 000 km between the southern tips of africa and australia and without its marginal seas has an area of about 28 360 000 square miles. The slope leads down to the ocean abyss and its plains plateaus mountains ridges and trenches hidden from view except for the tops of certain features that rise above the water s surface as. They are volcanic in origin. This graphic shows several ocean floor features on a scale from 0 35 000 feet below sea level.

The following features are shown at example depths to scale though each feature has a considerable range at which it may occur. The region has this name because it is the world s largest area of volcanism and earthquakes. An extension of the hawaiian islands in the pacific ocean which is known as the emperor seamount is an example of seamount. The continental rise descends to the deep ocean floor which is called the abyssal plain.

Bermuda officially the bermuda islands or the somers isles is an overseas territory of the united kingdom in the north atlantic ocean located off the east coast of the united states it is situated around 1 770 km 1 100 mi northeast of miami florida and 1 350 km 840 mi south of halifax nova scotia west of portugal northwest of brazil 1 759 km 1 093 mi north of cuba and north. Indian ocean body of salt water covering approximately one fifth of the total ocean area of the world. Abyssal plains are broad flat areas that lie at depths of about 4 000 meters to 6 000 meters 13 123 feet to 19 680 feet. The pacific atlantic indian and arctic oceans.

Currently the oldest known pacific ocean floor is about 180 million years old. The deepest trench in the north atlantic is the puerto rico trench at 8 605 m in the south atlantic it is the south sandwich trench at 8 428 m and near the equator is the romanche trench at 7 454 m.